2C73 User's Guide
Contents
1. CT Side Q 9 410 D 12 Rd ISl s R2 TS2 R3 133 9 Relay Side oe Wiring diagram Metrosils amp stabilizing resistors Suitable for external shunt wiring CT Side Relay Side Wiring diagram Stabilizing resistors only Suitable for external shunt wiring o E TS1 CT Side TS2 T53 Relay Side Wiring diagram Metrosils only Suitable for external shunt wiring Visit www rmspl com au for the latest product information CERTIFIED QUALITY Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 2 7 MANAGEMENT SYSTEM 1509001 Technical Data METROSIL SPECIFICATIONS Refer page 3 for V I curves Order code A Diameter 152mm 6 inch Model 600A S3 1 SPEC 887 C Value Nominal 1 000 Minimum 850 Maximum 1 150 B Value Nominal 0 22 Minimum 0 20 Maximum 0 25 Energy absorption 33kJ s Short time rating 37A RMS 1s 15A RMS 3s Metrosil part number 2105C58001 Order code B Diameter 76mm 3 inch Model 300A S3 I SPEC 3063 C Value Nominal 1 000 Minimum 850 Maximum 1 150 B Value Nominal 0 22 Minimum 0 20 Maximum 0 25 Energy absorption 8kJ s Short time rating 11A RMS2. The following V I curves are for the standard M amp I Metrosil discs available with the 2V75 module V Curve of 600A 6 Inch Metrosil Spec 887 10000 1000 100 DC or Peak Voltage Volts 10 0 001 0 01 0 1 1 10 100 DC or Peak Current Amps V I Curve of 300A 3 Inch Metrosil Spec 3063 DC or Peak Voltage Volts DC or Peak Current Amps AT QnA TOY we K CERTIFIED QUALITY Visit www rmspl com au for the latest product information ee Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 4 7 Length of module with rear door closed amp terminal cover fitted Refer side dimension drawing 127 m 10mm T D D N J Si 2V75 with rear open to access stabilizing resistors for adjustment Remove front label to access Metrosil module retention screws Flu
3. 1s 4A RMS 3s Metrosil part number 2105058006 100W RESISTOR SPECIFICATIONS Model Type Resistance options HTR100 Wire wound 250 Ohm 125 250 Ohm adjustable 500 Ohm 1 000 Ohm 250 500 Ohm adjustable 500 1 000 Ohm adjustable Resistor thermal rating 100W Max at nominal resistance setting 200W RESISTOR SPECIFICATIONS Model HTR200 Type Wire wound Resistance options 250 Ohm 125 150 Ohm adjustable 500 Ohm 250 500 Ohm adjustable 1 000 Ohm 500 1 000 Ohm adjustable Resistor thermal rating 200W Max at nominal resistance setting MODULE THERMAL RATING 100W Stabilizing resistors The maximum short time power dissipation rating is 100W per stabilizing resistor When set to the nominal resistance value The 2V75 Metrosil module is rated well beyond the level required for normal protection operation amp fault clearance times 200W Stabilizing resistors The maximum short time power dissipation rating is 200W per stabilizing resistor When set to the nominal resistance value The 2V75 Metrosil module is rated well beyond the level required for normal protection operation amp fault clearance times AT QNA TOY we K CERTIFIED QUALITY Visit www rmspl com au for the latest product information ee Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 3 7 enor ection amp CONTRO Metrosil V I Curves
4. com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 5 Iss B 21 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 30300 Australian Content Unless otherwise stated the product s quoted are manufactured by RMS at our production facility in Melbourne Australia Approximately 60 of our sales volume is derived from equipment manufactured in house with a local content close to 90 Imported components such as semi conductors are sourced from local suppliers amp preference is given for reasonable stock holding to support our build requirements Quality Assurance RMS holds NCSI NATA Certification Services International registration number 6869 for the certification of a quality assurance system to AS NZS 1S09001 2000 Quality plans for all products involve 100 inspection and testing carried out before despatch Further details on specific test plans quality policy amp procedures may be found in section A4 of the RMS product catalogue Product Packaging Protection relays are supplied in secure individual packing cardboard boxes with moulded styrene inserts suitable for recycling Each product amp packing box is labeled with the product part number customer name amp order details Design References The products amp components produced by RMS are based on many years of field experience since Relays Pty Ltd wa
5. for the stabilizing resistors amp a means of simple adjustment RELATED EQUIPMENT Refer to the 2V73 Technical Bulletin for details on the RMS voltage operated differential REF protection relay Refer to the 2C73 Technical Bulletin for details on the RMS current operated differential REF protection relay Refer to the 1M123 amp 1M124 Technical Bulletin for details on complete BUS protection rack solutions Refer to the 2V68 Technical Bulletin for details on CT supervision applications Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 1 7 oROTECTION By CONTR MODULES WITH INTERNAL SHUNT WIRING Select one of the following wiring configurations where shunt wiring is made internally CT Side R3 TS1 TS2 TS3 4 i Relay Side Wiring diagram Metrosils amp stabilizing resistors Internal shunt wiring CT Side TS1 TS2 TS3 D E Relay Side Wiring diagram Metrosils only Internal shunt wiring gle Module Configuration MODULES SUITABLE FOR EXTERNAL SHUNT WIRING Select one of the following wiring configurations where shunt wiring may be made externally to the module
6. operated differential protection relays e g RMS 2V73 the series stabilizing resistors are generally not required AT QNA OY we K CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 2V7 5 Metrosil Resistor Module Technical Bulletin 2V75 depicted in a size 8 rack or flush mount module Made in Australia Operation The 2V75 Module provides a compact simple amp cost effective means of fitting a pre wired Metrosil amp resistor combination into protection panels employing high impedance differential schemes Mounting is achieved by first fitting a special panel to the front of the cubicle This panel is suitable for 19 inch rack or flush mounting The separate Metrosil module is then installed from the rear of the cubicle amp latched onto the self aligning rails on the front mounting panel Retention screws are provided to lock the Metrosil module in place The Metrosil module may alternatively be surface mounted in the rear of the cubicle Heavy duty screw terminals are provided on the rear of the Metrosil module to suit ring or crimp lug terminals Internal wiring utilizes 2 5mm cable The rear terminal door may be swung open to access the stabilizing resistors where fitted to allow adjustment The completed installation is compact while providing safety isolation the desired level of ventilation
7. Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 30300 Equipment Connections Personnel undertaking installation commissioning or servicing work on this equipment should be aware of the correct working procedures to ensure safety The product documentation should be consulted before installing commissioning or servicing the equipment Terminals exposed during installation commissioning and maintenance may present hazardous voltage unless the equipment is electrically isolated lf there is unlocked access to the rear of the equipment care should be taken by all personnel to avoid electric shock or energy hazards Voltage and current connections should be made using insulated crimp terminations to ensure that terminal block insulation requirements are maintained for safety To ensure that wires are correctly terminated the correct crimp terminal and tool for the wire size should be used Before energising the equipment it must be earthed using the protective earth terminal or the appropriate termination of the supply plug in the case of plug connected equipment Omitting or disconnecting the equipment earth may cause a safety hazard The recommended minimum earth wire size is 2 5mm7 unless otherwise stated in the technical data section of the product documentation Before energising the equipment the following should be checked 1 Voltage rating a
8. ONTRO Features E Compact amp rugged construction E Fully insulated module E Suitable for high impedance differential BUS protection schemes E Suitable for restricted earth fault REF protection schemes m High energy absorption rating E Pre wired with heavy duty stud or screw terminals E Specify 3 or 6 inch Metrosils E Specify 1 phase or 3 phase E Optional stabilizing resistors with convective cooling ports E Specify nominal value of adjustable stabilizing resistors E Specify stabilizing resistor power rating m Rear swing door access for stabilizing resistor adjustment m Heavy duty construction comprising aluminium side plates to ensure excellent mechanical amp thermal performance Application The 2V75 Metrosil module is designed for application with high impedance differential protection schemes An external Metrosil unit having a non linear resistance characteristic is required for each phase element to limit the peak voltage appearing across the secondary differential circuits under internal fault conditions The type of Metrosil characteristic required is dependant on the relay setting range The differential protection relay application data should be consulted to determine the correct Metrosil rating For current operated differential protection relays e g RMS 2073 a series stabilizing resistor is employed to achieve the required voltage stability setting For voltage
9. Plate Panel mount plate being screwed into 19 inch sub rack ES P gte cTION amp CONTRO Rear of panel mount plate showing fibreglass insulating plate amp location points for the Metrosil module Earth connection to panel mount plate Connect other end to Metrosil module earth point AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 0 10 Installing the Metrosil Module Load the Metrosil module into the rear of the cubicle amp locate onto the panel mounting plate d AE peg i 4 by ae j br ang a IY Pe g gt 4j a e g j e CY 4 z PEEGEL JIL This photo shows the Metrosil module in position viewed from the rear Note the clear polycarbonate terminal cover This photo shows the Metrosil module location lugs protruding through the front mounting plate Screws are being fitted to secure the Metrosil module AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANA REMENI BYTEN Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 0 10 Adjusting the Stabilizing Resistors Where fitted Remove clear polyc
10. aged relays and inspect the cartons for obvious damage To prevent the possible ingress of dirt the carton should not be opened until the relay is to be used Refer to the following images for unpacking the relay Outer packing carton showing shipping documentation pouch Address label on top of carton Inner packing carton showing front label detailing the customer name order ee number relay part number amp description PACKING LABEL Joh Ho Diet f a ac ces i the relay job number amp packing date E p h Size 2 inner packing carton depicted TK F man d Miaa nea QNA Tloy we K NCS ly Visit www rmspl com au for the latest product information CERTIFIED QUALITY MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 30800t rms Unpacking Continued Open packing box showing CD catalogue with product documentation Inner packing carton with lid open showing protective foam insert Panel mounting adapter is at the top 1 x Front panel 4 x front panel locating thumb screws 1 x panel mount kit 1 x panel mount kit self threading screws CERTIFIED QUALITY Visit www rmspl com au for the latest product information LL vanes alia Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 Installing the Panel Mount
11. amp mounting The product ordering code described in the Technical Bulletin is used to generate a unique version of the relay specification amp is called a type number The type number takes the form 2V75Kxx where the Kxx is the K or version number Refer to www rmspl com au handbookparta3 paf for a complete description of the RMS K number system Each 2V75 version has a specific Test Manual which provides details on the unique attributes of the relay Each Test Manual includes the following information e Test Certificate e Specific technical variations from the standard model if applicable e Test record e Wiring diagram A Test Manual is provided with each relay shipped If you require a copy of the Test Manual for an RMS product the following options are available e Check the RMS web site at Wwww rmspl com au Ssearch aspo e RMS CD catalogue select List all Product Test Manuals under Technical Library e Contact RMS or a representative amp request a hard copy or PDF by email AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information PEERS eee Due to RMS continuous product improvement policy this information is subject to change without notice 2V75_Guide Iss B 21 08 08 30300 qro rec EEE LON TRG Part Mechanical Configuration Great care has been taken to design a rugged cost effective amp flexible mechanical solution for the 2V75 range of RMS Me
12. arbonate terminal cover screws and mounting pillars which hold the rear door closed Swing open the rear door to access the stabilizing resistors Loosen the moving terminal to adjust the nominal value of each resistor Do not attempt to force the moving terminals to slide as this may damage the resistance wire CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Sala ee a Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 CTION amp CONTR enoit Storage amp Handling lf damage has been sustained a claim should immediately be made against the carrier also inform Relay Monitoring Systems Pty Ltd and the nearest RMS agent When not required for immediate use the relay should be returned to its original carton and stored in a clean dry place Recommended Mounting Position The relay should be mounted on the panel to allow the operator the best access to the Metrosil module from the rear Relay Dimensions amp Other Mounting Accessories Refer drawing in Technical Bulletin Relevant Auto Cad files amp details on other accessories such as 19 inch sub rack frames semi projection mount kits amp stud terminal kits may be down loaded from htto www rmspl com au mseries htm AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MBNASENENT SYSTEM
13. nd polarity CT circuit rating and integrity of connections Protective fuse rating Integrity of earth connection where applicable That the rear polycarbonate terminal cover is fitted aoe 2 NN M5 screws provided for electrical termination with clear polycarbonate cover a a Don a a Equipment Operating Conditions The equipment should be operated within the specified electrical and environmental limits AT RNEER ON ww K Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 0 10 opOTEcTO amp CONTRO Current Transformer Circuits Do not open the secondary circuit of a live CT since the high voltage produced may be lethal to personnel and could damage insulation External Resistors Where external resistors are fitted to relays these may present a risk of electric shock or burns if touched Insulation amp Dielectric Strength Testing Insulation testing may leave capacitors charged up to a hazardous voltage At the end of each part of the test the voltage should be gradually reduced to zero to discharge capacitors before the test leads are disconnected Electrical Adjustments Pieces of equipment which require direct physical adjustments to their operating mechanism to change current or voltage setti
14. ngs should have the electrical power removed before making the change to avoid any risk of electric shock Mechanical Adjustments The electrical power to the relay contacts should be removed before checking any mechanical settings to avoid any risk of electric shock Decommissioning amp Disposal Decommissioning The auxiliary supply circuit in the relay may include capacitors across the supply or to earth To avoid electric shock or energy hazards after completely isolating the supplies to the relay both poles of any dc supply the capacitors should be safely discharged via the external terminals prior to decommissioning Disposal lt is recommended that incineration and disposal to water courses is avoided The product should be disposed of in a safe manner AT RNEER ON ww K Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 Iss C 21 08 08 CERTIFIED QUALITY MANAGEMENT SYSTEM 30300 n QOTECTION amp CONTp O Part Maintenance Mechanical Inspection Relay Assembly Inspect the relay for obvious signs of damage or ingress of moisture or other contamination Metrosil Module Isolate the circuit remove the rear swing door screws amp open to inspect the stabilizing resistors Inspect the Metrosil module for signs of any overheating or burn marks which may have been caused by over
15. ns with stabilizing resistors only i an aay m A E 3 O PE i mY 1 Side view dimensions mm ZN gt 136 i 1 DO 6 HOLESI 43 7 HOLES 3 7 4 i 7 8 206 l 156 l 7 7 JO g OW ee E Flush or 4U high rack mount version p d 8 A OG Front panel dimensions mm 210 4 i 156 i i i KB ge L eee ee e i H a ee nee Hep 197 188 E e i o ee re oA Surface mounting details mm AT A hg 2 CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 Flush mount panel cut out dimensions mm Visit www rmspl com au for the latest product information Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 6 7 Ordering Information Generate the required ordering code as follows e g 2V75 ABABBA as OOS 4 METROSIL SIZE A 152mm Six inch B 76mm Three inch C Not required Resistors only fitted EJ stasiizinc RESISTOR VALUE A Not required Metrosil only fitted B Required 500 Ohms C Required 1K Ohms D Required 220 Ohms S Required Specify value Ohm BEB mounte HARDWARE A Rack or panel mount configuration B Rear cubicle surface mount Module amp bracket only I STABILIZING RESISTOR POWER RATING A Not required Metrosil only fitted B 100W at nominal resistance C 200W at nominal resistance BER Numeer oF PHASES A _ Single
16. oRovection amp CONTRO 2V75 User Guide Three Phase Metrosil Module relay monitoring systems pty Itd Advanced Protection Devices User Guide Test Manual 2V715 User Guide About This Manual This User Guide covers all 2V75 modules manufactured from May 2003 Earlier modules do not necessarily incorporate all the features described Our policy of continuous may means that extra features amp functionality may have been added The 2V75 User Guide is designed as a generic document to describe the common operating parameters for all relays built on this platform Some relay applications are described but for specific model information the individual K number Product Test manuals should be consulted The copyright and other intellectual property rights in this document and in any model or article produced from it and including any Registered or unregistered design rights are the property of Relay Monitoring Systems Pty Ltd No part of this document shall be reproduced or modified or stored in another form in any data retrieval system without the permission of Relay Monitoring Systems Pty Ltd nor shall any model or article be reproduced from this document without consent from Relay Monitoring Systems Pty Ltd While the information and guidance given in this document is believed to be correct no liability shall be accepted for any loss or damage caused by any error or omission whether such error or omission is the
17. phase B Three phase 6 SHUNT WIRING A Internal B External 2V75 rear panel detail showing terminal wiring Rear terminal cover nor shown Remove the 4 retaining pillars amp swing open the rear panel to access the adjustable stabilizing resistors AT ent Oy a K ao Oo zZ CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENT SYSTEM Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 7 7 0900 1 Part Installation Safety Section Explanation of Symbols amp Labels The meaning of symbols and labels which may be used on the equipment or in the product documentation is given below Caution refer to product information Caution risk of electric shock AN Functional earth terminal Note this symbol may also be used for a protective safety earth terminal if that terminal is part of a terminal block or sub assembly eg power supply NAT O K Q we NCS CERTIFIED QUALITY Visit www rmspl com au for the latest product information a i ae Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 4 IssB 29 10 03 _ ogOTECTION amp CONTA Unpacking Upon receipt inspect the outer shipping carton or pallet for obvious damage Remove the individually pack
18. result of negligence or any other cause Any and all such liability is disclaimed Contact Us Relay Monitoring Systems Pty Ltd 2001 2008 6 Anzed Court Mulgrave 3170 AUSTRALIA Phone 61 3 9561 0266 Fax 61 39561 0277 Email rms rmspl com au Web www rmspl com au To download a PDF version of this guide htto www rmspl com au userguide 2v75_ user guide pdf To download the model specific Test Manual htto www rmspl com au search asp How this guide is organised This guide is divided into five parts Part 1 Overview About this Manual Contents Production Testing Part 2 Mechanical Configuration Part 3 Technical Bulletin Part 4 Installation Safety Unpacking Installing the Panel Mount Plate Installing the Metrosil Module Adjusting the Stabilizing Resistors Storage amp Handling Equipment Connection Part 5 Maintenance Mechanical Inspection Test Intervals Defect Report Form AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information lata a Due to RMS continuous product improvement policy this information is subject to change without notice 2V75_Guide Iss B 21 08 08 Part Production Testing This User Guide covers all 2V75 module versions amp describes the generic features amp attributes common across all versions Different relay versions are required to cater for varying customer requirements such as the Metrosil size resistor rating If fitted
19. rmation Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 Issue H 01 07 08 5 7 enor ection amp CONTR Lay 2 T 5 let f 2 6 f J d 3 7 e 4 2V75 Dimensions Rear view showing terminal numbers s ee mooom f E i E Toa 21 O EP I Cle _ Y Top view showing stabilizing resistor ventilation slots mm 200 max 3 Phase stabilizing resistors or Metrosils Not both 330 max 1 Phase 200W stabilizing resistor amp Metrosil 330 max 3 phase 100W stabilizing resistors amp Metrosils 405 max 3 Phase 200W stabilizing resistors amp Metrosils 14 B Do not impede air flow in shaded areas Versio
20. s formed in 1955 A large population of equipment is in service throughout Australia New Zealand South Africa amp South East Asia attesting to this fact Specific product amp customer reference sites may be provided on application Product Warranty All utility grade protection amp auxiliary relay products unless otherwise stated are warranted for a period of 24 months from shipment for materials amp labour on a return to factory basis Repair of products damaged through poor application or circumstances outside the product ratings will be carried out at the customer s expense Standard Conditions of Sale Unless otherwise agreed RMS Standard Terms amp Conditions QF 907 shall apply to all sales These are available on request or from our web site Relay Monitoring Systems Pty Ltd 6 Anzed Court Mulgrave Victoria 3170 AUSTRALIA Tel 61 3 9561 0266 Fax 61 3 9561 0277 Email rms rmspl com au Web www rmspl com au 2008 Relay Monitoring Systems Pty Ltd Due to RMS continuous product improvement policy this information is subject to change without notice
21. sh or rack mount Metrosil module mounting bracket Internal Metrosil disk position 3 or 6 may be specified Mounting MOUNTING Size 8 4U 19 inch rack mounting Half width or Flush mount or Surface mount When mounting other relays or equipment directly above the 2V75 module it is recommended that a space equivalent to 1U be allowed to ensure that the air flow out of the top ventilation slots will not be impeded Refer side view dimension drawing VENTILATION Ventilation slots provided top amp bottom promote convective cooling of the internal components The wire wound ceramic resistors are securely mounted on high temperature rated aluminium spacers The side panels are fabricated from 8mm aluminium amp incorporate cooling ports at the both ends of each stabilizing resistor to allow cross ventilation INSULATION WITHSTAND IEC60255 5 2KV RMS amp 1 2 50 5KV impulse between all terminals amp frame Resistor cross Rear terminal ventilation ports cover J n E RE E lt LK Hb Y Y _ __ p Front label Hinge for rear swing door to access stabalizing resistors for adjustment Side view showing the Metrosil module seperated from the rack flush mounting plate AT QnA TOY we K CERTIFIED QUALITY MANAGEMENT SYSTEM 1509001 Visit www rmspl com au for the latest product info
22. trosil modules The 2V75 range provides a compact flush rack or surface mount solution for bulky 3 pole Metrosils with amp without stabilizing resistors PROTECTION 4 CONTRg aance Differential d E 2V75 Module depicted in a 4U high 19 inch rack next to a Reyrolle DAD N numeric high impedance differential relay 2V75 Metrosil module shown removed from front mounting plate AT RNEER ON ww K Visit www rmspl com au for the latest product information CERTIFIED QUALITY MANAGEMENT Sy oTEM Due to RMS continuous product improvement policy this information is subject to change without notice 2V75_Guide Iss B 21 08 08 S000 enorectio amp CONTRO Part Technical Bulletin The detailed technical attributes functional description amp performance specifications for the 2V75 are described in the attached Technical Bulletin For the most up to date version go to www rmspl com au handbook 2v 75 htm For any specific attributes of a particular version refer to the Test Manual for that type K number The order of precedence for technical information is as follows e Test Manual e Technical Bulletin e User Guide AT RNEER ON ww K CERTIFIED QUALITY Visit www rmspl com au for the latest product information PEERS eee Due to RMS continuous product improvement policy this information is subject to change without notice 2V75_Guide Iss B 21 08 08 0 10 eporeclio amp C
23. voltage surge or transient conditions If required remove the Metrosil module from the front mounting plate to inspect the Metrosil element Test Intervals The maintenance tests required will largely depend upon experience and site conditions but as a general rule it is recommended that the following inspection and tests are performed every twelve months Mechanical Inspection Check of Connections Insulation Resistance Test Fault Setting Tests by Secondary Injection Tests using Load Current Check the continuity of the neutral CT loop with a bell test set or an ohmmeter AT RNEER ON we K CERTIFIED QUALITY Visit www rmspl com au for the latest product information MANAGEMENTA TATEN Due to RMS continuous product improvement policy this information is subject to change without notice 2V75 5 Iss B 21 08 08 1509001 Defect Report Form Please copy this sheet and use it to report any defect which may occur Customers Name amp Address Contact Name Telephone No Supplied by Date when installed Circuit When Defect Found Date Commissioning Maintenance Systems Fault Other Please State Product Part No Serial Number Copy any message displayed by the relay Describe Defect Describe any other action taken Signature Please Print Name Date Reference No Date Acknowledged Date of Reply Date Cleared a Og za Visit www rmspl
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