SCR / SCRF Series Battery Chargers
Contents
1. AC INPUT INPUT SURGE POWER ISOLATION SCR D CIRCUIT BREAKER PROTECTION 5 mec RECTIFIE AC INDICATING LIGHT MEM HI LOW AC or AC POWER FAILURE ALARM optional CONTROL POWER Y CONTROL TRIGGER 3 MODULE wiCURRENT 39 SHUTDOWN optional M OUT lt _ IODE FIL R BRIDGE mom TE S Conversion Efficiency Single Phase Charger 0 PNENENNENENNN pitt LLL tt llll pet te et tt 0 10 20 30 40 50 60 70 80 90 100 110 120 10 20 30 40 50 60 70 80 90 100 110 120 Load Load Current limit adjustment Conversion Efficiency Three Phase Charger 10 20 30 40 50 60 70 80 90 100 110 120 10 20 30 40 50 60 70 80 90 100 110 120 Load m gt Load Current limit adjustment REVERSE CURRENT DC OUTPUT POLARITY GRATE CTO CIRCUIT BREAKER PROTECTION optional R SECTION CRF only OUTPUT SURGE PROTECTION see DC OUTPUT HI LOW VOLTAGE REMOTE ALARM SIGNALS ALARMS optional REMOTE ALARM SIGNAL REMOTE ALARM SIGNAL REMOTE ALARM SIGNAL These alarm options are available together as a single circuit board See combined alarm status charger monitor on optional accessories page FLOAT EQUALIZE SELECTION2. Special hypalon internal wiring switchboard type 1 accuracy panel or switchboard meters Alarm buzzer Cabinet heater strips e Export packing TYPICAL SCR SCRF BATTERY CHARGER INTERNAL CONSTRUCTION DETAIL STYLE IA CABINET CONSTRUCTION pp p AOA B STYLE IB CABINET CONSTRUCTION qa AL DC AMMETER DC VOLTMETER AC POWER ON LIGHT EQUALIZE ADJUST LIGHT FLOAT ADJUST POT EQUALIZE TIMER optional FLOAT EQUALIZE SWITCH standard 7 DC CIRCUIT BREAKER optional 8 DC FUSE S 9 AC CIRCUIT BREAKER 10 DC SURGE SUPPRESSOR 11 STATUS INDICATING LIGHTS amp SWITCHES optional IST LSE ESI Le El be 12 POWER ISOLATION TRANSFORMER RECONNECTION TB STYLE 2 CABINET CONSTRUCTION 13 AC SURGE SUPPRESSORS G 14 SCR RECTIFIER HEAT SINK ASSEMBLY t 1j 5 POLARITY amp BLOCKING DIODE ASSEMBLIES s 16 FILTER 5 17 BLEEDER RESISTOR 18 FILTER CAPACITORS 19 ALARM RELAY S optional 20 ALARM CONTROL MODULES optional 21 CONTROL MODULE 22 CURRENT LIMIT ADJUST POT 23 INPUT LINE amp GROUND TERMINALS TBI 24 OUTPUT TERMINALS TB2 25 REMOTE ALARM TERMINALS TB3 NI rn 21 24V dc 48V dc I30Vdc 260Vdc Weight approx Weight approx Weight approx Weight approx Ibs kg Ibs kg Cabinet Style Cabinet Style Weight approx
3. 2 HEADQUARTERS N56 W16665 Ridgewood Dr Menomonee Falls WI 53051 STORAGE BATTERY SYSTEMS LLC Phone 262 703 5800 Fax 262 03 3073 SCR SCRF SERIES FLOAT BATTERY CHARGERS Single Phase Input Three Phase Input Applications for Utility amp General Industry Switchgear Engine starting Emergency lighting Alarm systems Railroad service UPS Communications amp Telecommunications e Radio e Telemetering e Microwave e Telephone Computers amp Control Systems e Uninterruptible power systems JF5010 Sbs SCR SCRF Series of industrial float chargers is designed to automatically control charging rates for a wide variety of battery types and to simultaneously provide full rated output for both continuous and intermittent dc loads The chargers are constant voltage devices with automatic current limiting Voltage regulation and current limiting are controlled by solid state integrated circuitry to assure maximum performance in minimum space The SCR SCRF Series is ideally suited to utility communications and other stationary charger applications DESIGN FEATURES Component Selection Electronic and electrical components are substantially derated to assure long life and reliability Typical MTBF is 100 000 hours minimum Components are selected or designed to provide a system life expectancy in excess of 30 years Modular Construction
4. Control circuits alarm circuits and electrical sub assemblies are printed circuit board wired or modularized with plug and socket connections for easy serviceability Standard Sub assemblies Control modules and many electrical sub assemblies are standardized across the entire range of charger sizes This minimizes spare parts inventory and simplifies maintenance Durable Front panels are recessed to prevent accidental damage to meters and controls Standard cabinets are NEMA 1 enclosures of heavy gauge phosphatized steel with an attractive long lasting acrylic enamel finish Easy Troubleshooting A complete service manual color coded wiring test point identification and circuit symbol labeling of internal components make troubleshooting easy Ease of Adjustment adjustments are not required Output float voltage equalize voltage current limit and alarm levels are potentiometer adjustable Ease of Access Internal components and connections are easily accessible and or removable through a hinged front door that opens approximately 180 degrees for easy serviceability Ease of Installation Cabinets are floor wall or rack mountable and equipped with knockouts for cable or conduit entrance Input output and remote alarm connections are wired to easily accessible internal terminal blocks ENVIRONMENTAL SPECIFICATIONS Operating Ambient Temperature e 32 F to 122 F 0 C to 50 C wi
5. TIMER is optional VOLTAGE SENSE SCR SCRF BATTERY CHARGER OPTIONAL ACCESSORIES Alarm Relays for Remote Indication Available with or without front panel alarm indicating lights AC Power Failure Alarm Provides alarm state when AC power fails or AC breaker is open DC Ground Detection Alarms Provides alarm state when a ground fault has occurred at either the or output terminal High Low DC Voltage Alarms Provides high alarm state when battery is being overcharged and low alarm state when battery is near end of discharge Charger Failure Alarm No DC Current Provides alarm state when charger output current is less than 276 of rated output for 30 seconds or more Will also activate with AC power failure and or DC breaker or fuse open Battery Discharging Alarm Provides alarm state when battery discharge current exceeds the charger recharge current End of Discharge Alarm Provides alarm state when battery has discharged to lowest system voltage limit DC Current Limit Alarm Provides alarm state when charger output current reaches the current limit setting Common Summary Alarm Provides a single alarm state when any one or all monitored alarm conditions exist on charger Alarm circuits provide one 1 set of dry form contacts SPDT wired to a terminal strip for customer termination Alarm circuits with two 2 sets of dry form contacts DPDT are availab
6. AC or DC Indicating lights are red LED s front panel mounted A amp test switch is provided for verifying operation indicating lights Customer terminal strip is rated 15A 0 1 20V AC or DC to accommodate 4AWG maximum wire This option may be ordered without ground detec tion for DC systems that are referenced to ground DC Ground Detection for Local Indication Ground Detection Switch for Front Panel DC Voltmeter Indication Measures voltage from or output terminals to common ground Ground Detection Indicating Lights with Ground Test amp Lamp Test Switch Front panel lamps indicate or output ground fault with switch in ground test position In lamp test position both lights are verified as operational Equalize Timers 0 72hr Manual Equalize Timer w or w loat Equalize Indicating Lights Replaces float equalize switch Charger automatically switches from equalize to float at end of set time interval 0 72hr Line Failure Auto Equalize Timer w Float Equalize Indicating Lights Charger is switched to equalize for a set time interval after power is interrupted for 0 seconds or more Equipped with float reset and equalize override switches Timer w Float Equalize Indicating Lights Charger is switched to equalize for a set time interval after charger is in current limit for 10 seconds or more Equipped with float reset and equalize override switches 0 72hr C
7. Ibs kg Cabinet Style Cabinet Style Cabinet Style Heat Loss BTU hr Shipping Heat Loss BTU hr Shipping Heat Loss BTU hr Shipping Heat Loss BTU hr Shipping Heat Loss BTU hr Shipping Single Phase Input IA 80 90 105 125 lA 90 105 120 160 lA 98 115 135 210 lA 105 125 IB 1120 135 170 IB 130 150 190 IB 135 160 210 95 IB 145 180 220 100 IB 160 190 245 111 680 2 185 210 850 2 205 245 111 1130 3 280 127 320 145 160 220 100 230 104 250 113 340 154 440 200 330 150 440 200 Three Phase Input 300 136 330 150 355 161 380 172 600 2 750 2 990 3 215 98 240 109 315 143 210 95 240 109 275 125 360 163 425 193 480 218 510 231 550 249 600 272 710 322 780 354 850 386 1230 1480 1850 2460 3080 3690 4300 4920 6150 7380 9830 12300 255 116 320 145 350 159 460 209 500 227 540 245 600 272 650 295 750 340 860 390 950 431 1350 612 500 227 520 236 550 249 680 308 750 340 915 415 1010 458 1100 499 1400 635 1500 680 1650 748 1820 826 mil wWl wl Oi Gi Gi amp amp BR CJ CJ CJ CJ GJ Db BBR BR C CJ CJ CJ CJ GJ OOK BA BR CO CO CO CO CO 925 420 14800 1500 680 1950 885 Heat loss in BTU hr is stated for nominal number of cells at float voltag
8. e load and temperature Output Transient Response amp Recovery 5 0 max of DC voltage setting maintained with step load changes from 2076 to 10076 load Float Adjustment Range VDC Equalize Adjustment Range VDC 1 3 16 24 5 32 48 64 124 150 245 300 VDC Nominal 12 10 5 14 5 24 23 30 48 46 60 130 115 140 260 230 280 Recovery to 2 0 of DC voltage setting typically 200msec Recovery to steady state DC voltage setting typically 500msec Overshoot of DC voltage setting is not present at turn on due to soft start feature Output Current Limit The electronic current limiting circuitry is factory set at 110 of rated output It is continuously adjustable from 9075 to 12076 of rated load Output Ripple and Electrical Noise Unfiltered SCR Series Output rip ple voltage is less than 1076 RMS for single phase input SCR units Output ripple voltage is less than 3 RMS for three phase input SCR units Filtered SCRF Series Output ripple voltage is 30mVrms or less for all SCRF units Electrical voice band noise is less than 32dBrnC using C message weighting network Measured when connected to a battery with an 8 hr Amp Hour rating of 4 times the full load current rating of the charger Random Parallel Operation SCR SCRF Series Chargers be random parallel operated with other chargers of similar regulation and current limit characteristics E
9. e and 100 dc load current Consult factory for ampere and voltage ratings up to 1000A and 600 Cabinet Dimensions 5 is 37 e amp w mu m 20 2 42 se mein e m0 Rack mounting cabinet is optional for these styles Ordering Information Specify CABINET STYLE TYPE MOUNTING Charger model number X SCR X XXX XXX X or 3 phase input Omit for unfiltered or add F for filtered 0 1 2 024 048 30 or 260 nominal Vdc output 006 to 600 rated Adc output Omit if not required or add E for filtered battery eliminator SCRF units only DIMENSIONS inches Nominal input Vac and frequency Hz Number and type of battery cells All optional accessories required on charger Consult factory for higher dc voltage output and dc current outputs Specifications and performance data subject to change without notice
10. hase Input Three pole 7500 AIC UL Recognized 100A Frame Three pole 25000 AIC UL Listed 225A Frame Three pole 30000 AIC UL Listed 400A and 600A Frame DC Output Fuses fast acting current limiting rectifier type AC and DC Surge Suppressors MOV Type AC Withstand 240Vac or less 500 Vpk 1 2 20 usec pulse Over 240Vac 3000Vpk 1 2 20 usec pulse DC Withstand All DC outputs 4000Vpk 2x10 usec pulse Typical internal construction detail showing combined alarm status charger monitor option DC Output Ammeter and Voltmeter Front panel 2 accuracy 3 5 inch case Manual Float Equalize Switch Front panel toggle switch Float and Equalize Adjustment Potentiometers Two front panel mounted lockable adjustment potentiometers Current Limit Adjustment Potentiometer Internally mounted with easily accessible adjustment DC Output Blocking Diode Standard SCR SCRF Series feature prevents battery from discharging back through the filter and rectifier when charger is off due to AC power failure or charger malfunction DC Output Protection Diode Prevents damage to charger and battery due to reversed polarity connections Color Coded Internal Wiring 600 Volt color coded polyvinylchlo ride PVC wiring is standard UNREGULATED AC INPUT 1 OR 3 9 REMOTE ALARM SIGNAL INTERNAL HVDC ALARM SIGNAL
11. le without indicating lights at additional cost Standard relay contacts are rated for resistive loads of 1 20Vac 2A 0 26 Vac IA 52Vac 1 30Vac Auxiliary relays are available for use with alarm circuits when alarm load exceeds the standard contact rating Auxiliary relay contacts are rated for resistive loads of 5A 20Vac 5A 9 28 2 52Vdc 0 5 1 30Vdc CASM Combined Alarm Status Monitor The following alarm relays are available combined together on a single board Each relay has one 1 set of isolated dry form C contacts SPDT wired to a terminal strip for customer connection Two 2 sets of form C contacts DPDT are available at additional cost as are one 1 set of latching relays High Low AC Voltage Alarm Relay With high and low indicating lights 15 second time delay on alarm auto reset High DC Voltage Alarm Relay With indicating light 5 second time delay on alarm auto reset Low DC Voltage Alarm Relay With indicating light 5 second time delay on alarm auto reset Ground Detection Alarm Relay With ground detection indicating light and ground detection indicating light 15 time delay on alarm auto reset Charger Failure Alarm Relay With indicating light 30 second time delay on alarm auto reset Common Alarm Relay Summary alarm relay for any one or all alarms on this board Alarm contacts are rated for 5 20V
12. qual load sharing by two SCR SCRF chargers requires the addition of the forced load sharing option ADC Size Cell Available 1 6 to 100 6 to 100 6 to 100 6 to 50 6 to 25 60 to 100 50 to 600 50 to 600 25 to 600 16 to 300 5 6 1 13 22 26 55 62 110 124 Lead Acid Cell Capability 3 No of Cells 1 3 Reduced VPC Reduced VPC Battery Eliminator Operation SCR SCRF Series Chargers will operate as DC power supplies without batteries Addition of the Filtered Battery Eliminator option will reduce ripple when used as a battery eliminator to the greater of 0 06 or 30mV Ni Cd Cell Capability 3 No of Cells 8 10 17 20 21 27 34 40 12 63 86 94 98 126 172 188 196 1 The discrete Adc sizes offered within the ranges listed above are 12 16 20 25 30 35 40 50 60 75 100 125 150 175 200 250 300 400 500 600Aqc All sizes are rated at 10076 load Some current ratings are not available on certain chargers Consult factory or current price list for exact offerings 2 Based on Lead Acid Float of 2 1 to 2 25V Cell and equalize of 2 25 to 2 4V Cell 3 Based on Ni Cd Float of 1 35 to 1 45V Cell and Equalize of 1 50 to 1 60V Cell SCR SCRF BATTERY CHARGER STANDARD ACCESSORIES AC On Indicating Light Green front panel indicator AC Input Circuit Breaker Single Phase Input Two pole 7500 AIC UL Listed Three P
13. thout derating Storage Temperature e 40 F to 185 F 40 to 85 C Operating Altitude 3300 feet 1000 meters above sea level without derating Relative Humidity 5 to 95 without condensation Audible Noise Less than 65dBA at any point 5 feet from any vertical surface of enclosure Typical values measure 55 to 60dBA at 100 load Ventilation Units rated 300Adc output or less are convection cooled via vent openings in cabinet Units rated 400Adc output or greater have fan assisted convection cooling with overheat audible alarm and remote alarm contacts Automatic charger shutdown due to overheat is optional ELECTRICAL SPECIFICATIONS AC Input Standard transformers are available with taps for nominal voltages as listed below Single Phase Voltages e 120 220 240V 47 63Hz 480V 57 63Hz e 120 208 240V 47 63Hz optional Three Phase Voltages 208 240V 57 63Hz e 380 416V 47 63Hz 480V 57 63Hz Chargers are wired and circuit protected for one nominal input voltage and frequency to be specified at time of order Output Regulation e 10 576 of DC voltage setting main tained with input line variations of 12 10 voltage and or 5 frequency e 10 576 of DC voltage setting maintained with load variations from no load to full load e 1 0 of DC voltage setting main tained against the combined varia tions of lin
14. urrent Limit Auto Equalize AC Fuse Two pole AC fuse for single phase 3 pole AC fuse for 3 phase DC Circuit Breaker Two pole DC breaker is installed with one pole standard fuse 5000 AIC UL Listed 100A Frame 10000 AIC UL Listed 250 amp 400A Frame 14000 AIC UL Listed 600 amp 800A Frame Optional higher AIC circuit breakers are available Forced Load Sharing Chargers operating in parallel share load to within 276 of output current of each charger High DC Voltage Charger Shutdown contact closure from a high DC voltage alarm activates the shutdown circuit and charger output current goes to zero Filtered Battery Eliminator Output ripple voltage is 30mVrms or 0 06 of nominal output voltage whichever is higher without battery connected Input Lightning Arrestors Provides additional input protection against lightning induced transients ANSI 37 90A Surge Withstand Capability Additional surge protection to meet performance requirements of IEEE 472 SWC specification AC Input Voltmeter and or Ammeter Front panel 276 accuracy 3 5 inch case 1 3 5 inch case 1 4 5 inch case switchboard or digital Additional Optional Accessories Special input voltages and frequencies Device nameplates Special paint Special high interrupting capacity Fungus proofing tropicalization NEMA 4 or 12 cabinets AIC circuit breakers Drip proof cabinet shields
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