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Low Power Static Inverter Systems (SafePower)

The SafePower range offers a choice of mini static inverter power supplies for the operation of a wide range of mains voltage lighting equipment (eg mains voltage GLS & compact fluorescent lamps, small HID, LED etc). The SafePower units are supplied with robust enclosures and utilise high quality 5 year life Valve Regulated Lead Acid batteries. The mini static inverters can be supplied with maintained outputs or used solely as standby supplies.

Datasheet (PDF)
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Description

SafePower provides a mini static inverter power supply for the operation of a wide range of mains voltage lighting equipment (eg mains voltage GLS & compact fluorescent lamps, small HID, LED etc). SafePower is supplied with a robust enclosure and utilises high quality 5 year life Valve Regulated Lead Acid batteries. The mini static inverter can be supplied with maintained outputs or used solely as a standby supply.

The maximum rated loads are based on the full circuit VA of the equipment connected (eg a 3 watt LED connected to a typical mains driver will have a circuit load of approximately 7VA).

Operation

SafePower can be used for maintained operation of the mains voltage equipment depending on type and rating of the load. The unit offers a 220/240 volt 50Hz output with 3 hour duration for any mains voltage load up to 110VA.

SafePower incorporates long-life Valve Regulated (sealed) Lead Acid batteries. These are charged from a high quality constant voltage battery charger which includes a battery low-voltage disconnect circuit to protect the battery from deep discharge.

The mains voltage output is created via a solid state step-up inverter circuit with Pure Sine Wave output.

SafePower is designed to comply with the relevant safety sections of BS EN50171 and BS EN 60598.2.22.

Loads should be connected directly to the maintained SafePower units. If a SafePower unit is to be used to back-up equipment

General Specification

Cubicle typeWall Mounting (IP20)
Inverter efficiency90% at full load
Noise<60dBA at 1 metre
Temperature range18°C - 25°C

Electrical Specification

MAINS INPUT
Nominal input voltage230 volts ±10%
Nominal input frequency50Hz ±5%
Power consumptionNon-maintained = 60 watts maximum
Maintained = 159 watts maximum with a full maintained load of 99 watts
BATTERY
Type5 year design life valve regulated lead acid (VRLA)
Voltage12 volts
Ampere-hour capacity60AH (20 hour rate to 1.75 volts per cell at 20°C) comprised of 5 x 12 volts 12AH monoblocs connected in parallel
INVERTER INPUT
DC input voltage12 volts nominal
DC input voltage range10 to 15 volts DC
Low battery alarm10.5 volts ±0.5 volts
Low battery shut-down10 volts ±0.5 volts
OUTPUT (Inverter)
Nominal output voltage230 volts AC
Regulation±10%
Inverter output frequency50Hz ±1%
Inverter wave shape‘PS’ Pure sinewave
Rating110VA maximum
99 watts maximum
Load power factor0.8 inductive – 0.8 capacitive within its maximum VA and watts ratings
Over temperature protection55°C ±5°C
Overload protectionYes
Short circuit protectionYes