Helios SR250C User Manual Download Page 9 | Manualshive

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Specifications are subject to change without notice. No liability accepted for errors or omissions.

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Summary of Contents for SR250C

Page 1: ...d 64 9 8350700 Sydney 61 2 9809 5022 Singapore 65 6871 4140 www heliosps com SR500C SR750C with optional V I meter shown SR250C User Manual SR250C SR500C SR750C No BreakTM DC UPS 15 09 2016 REFER TO B...

Page 2: ...shortened lifetimes if subjected to high ambient temperatures Water Dust Every effort must be made in the installation to minimise the risk of ingress of water or dust Water will almost always cause...

Page 3: ...tery circuit integrity Fast electronic battery overcurrent protection Deep discharge protection by disconnecting the load at low battery voltage Temperature compensated output voltage using external t...

Page 4: ...anks Power OK YES Battery Missing YES Battery Low YES Battery Condition Test Fail YES Alarms Available 2 Peak load connection using 1 x No Break DC charger Use this connection when there is a connecte...

Page 5: ...tteries 7 Connect input power Charger should be fully operational at this stage ALARM BCT RELAYS Relay contacts shown in de energised state ie when there is a fault condition Alarm relays are energise...

Page 6: ...eshold for battery detection and BCT Note that if the voltage drops to this level during a BCT the test is aborted and the BAT LOW SYS alarm shows Vshutd Internal voltage level of the power supply dur...

Page 7: ...al System Normal Input power on battery circuit is OK Normal Normal Battery detection in progress Alarm Normal Input power on battery system fault 1 Internal battery fuse has opened or 2 Battery circu...

Page 8: ...ve is also activated for the low voltage disconnect function on mains fail no input power It will reset when input power is restored or can be manually reset by briefly shorting the BAT and LOAD termi...

Page 9: ...Specifications are subject to change without notice No liability accepted for errors or omissions 9 This page is intentionally blank...

Page 10: ...open circuit to 100 load 1 output voltage 0 03 C 20 ms without battery nominal max Vin 1 sec Yes self resetting Over voltage protection on output at 130 of nominal output voltage CISPR 22 EN55022 cla...

Page 11: ...eak load on mains fail A SR250C12 13 8 18 0 18 0 12 0 27 SR250C24 27 6 9 0 9 0 5 0 13 5 SR250C30 34 5 7 2 7 2 3 7 10 8 SR250C36 41 4 6 0 6 0 3 0 9 SR250C48 55 2 4 5 4 5 2 0 6 7 MODELS MODEL TABLE rati...

Page 12: ...uit to 100 load 1 output voltage 0 03 C 20 ms without battery nominal max Vin 2 sec Yes self resetting Over voltage protection on output at 130 of nominal output voltage to CISPR 22 EN55022 class A to...

Page 13: ...May be fitted with SR500 in 19 rack add SR METER or SR METERV2 SHUNT Charger may be fitted into enclosure with MCBs and terminals Code SEC SR Use external output diode eg P50 Add code INT METER Ethern...

Page 14: ...uit to 100 load 1 output voltage 0 03 C 20 ms without battery nominal max Vin 2 sec Yes self resetting Over voltage protection on output at 130 of nominal output voltage to CISPR 22 EN55022 class A to...

Page 15: ...for S versions OPTIONS 19 Rack Mount Digital V I meter Wall Mount Enclosure Parallel redundancy Internal V I Meter Communications Port SR750i MODEL IDENTIFICATION CODES 2U sub rack option add SR RM2U...

Page 16: ...ip defects Liability under this warranty is limited to the replacement or repair of the defective product as long as the prod uct has not been damaged through misapplication negligence or unauthorized...

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