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Power supplies

General purpose power supplies for loop-powered transmitters, DC powered signal conditioners and other instrumentation

The SIL range of power units include:

  • General purpose instrumentation power supplies for powering two-wire transmitters operating on 4-20mA signals or powering 24V signal conditioning modules
  • Battery back-up power supplies for providing a maintained dc supply in the event of a mains supply failure. Applications include supplies for loop powered transmitters, telemetry outstations, etc.
  • Rising output type for loads to be driven in series with large resistances such as transmission lines or through zener barriers.

Other output options other than stated below or in the product data sheet may be available. Please enquire.

General purpose (single output)

see power supply selection guide...

107-8

Rising Output Characteristic - The output voltage rises with the load current, enabling loads to be driven in series with large resistances. Types available: 24V @ 4mA rising to 32V @ 20mA and 36V @ 4mA rising to 48V @ 20mA.
Wall or DIN rail mounting.

107-9s

General purpose instrumentation power supplies for powering 4-20mA two-wire transmitters and 24V powered signal conditioning modules. High-efficiency, cool running units with universal input supply 85-260VAC. Versions include: 24V @ 100mA, 36V @ 50mA and 48V @ 50mA. Wall or DIN rail mounting.

107-9s power supply

General purpose (dual output)

see power supply selection guide...

107-9s/2

General purpose instrumentation power supplies for powering 4-20mA two-wire transmitters 24V powered signal conditioning modules. High-efficiency, cool running units with universal input supply 85-260VAC. Versions include:
2 x 24 V @ 40mA. Wall or DIN rail mounting.

107-9s/2 dual power supply

Battery back up power supplies

see power supply selection guide...

116-8s

24 Volts @ 250mA max., 2.1Ah - for powering loop powered transmitters, telemetry outstations, etc. Output is maintained in the event of a mains supply failure. Universal auxilliary supply 85-260VAC. Sealed lead acid batteries included. Wall mounting.

battery back-up power supply

116-8s/2

12 Volts @ 500mA max., 2.8 Ah - for powering loop powered transmitters, telemetry outstations, etc. Output is maintained in the event of a mains supply failure. Universal auxilliary supply 85-260VAC. Sealed lead acid batteries included. Wall mounting.

battery back-up power supply