Helios Power Solutions No-Break ™ DC UPS technology represents a truly unique, comprehensive approach to providing uninterruptible and secure DC power when you need it.
No-Break ™ DC UPS systems maximise the integrity of standby battery installations, whilst optimising the life and availability of back up batteries. They are now available with Serial and Ethernet Communications options.
Other features include:
Model | Output (V) | PSU Rated (A) | Power (W) |
SR750C12 | 13.8 | 54 | 750 |
SR750C24 | 27.6 | 27 | 750 |
SR750C30 | 34.5 | 21 | 750 |
SR750C36 | 41.4 | 18 | 750 |
SR750C48 | 55.2 | 13.5 | 750 |
ELECTRICAL | |
Input | 180V – 264VAC |
Frecuency | 45-65Hz |
Fusing | 5A input fuse and varistor Battery fuse plus ECB for battery circuit |
Overcurrent protection | Constant current limit under overload and short circuit conditions |
Isolation | 1KV DC input – output / earth |
Efficiency | > 85% |
Voltage adj. range | 85 – 105% of Vout |
Temp. compensation | Temperature sensor on 1.7m lead with adhesive pad: -4mV / °C / cell ±10% |
Hold-up time | 20 ms without battery (nominal – max. Vin) |
Alarms | Mains fail (or PSU in standby mode) |
Battery System OK – alarms when battery voltage low (on mains fail) , battery missing, battery circuit wiring faulty, BCT fail (if enabled) | |
Alarm relay contacts | C – NO – NC full changeover rated 1A /50V DC, 32VAC |
PHYSICAL | |
AC Input Connector | IEC320 inlet socket |
DC connections | M8 brass stud or plug-in/ screw terminal block |
Alarm connections | Plug in screw terminal block |
Dimensions | 225W x 304D x 70H mm (excluding mounting feet and terminals) |