• Din rail mounted 22.5mm wide
  • Powered from own monitored voltage
  • No separate auxiliary supply required
  • SPCO relay output rated 8 Amps
  • 5 adjustable versions from 1mA to 10Amps
  • 4mm terminals
  • Dual LED indication
  • CE marked
Download data sheet

The YRI-41 is a direct connected current proving switch available in five different adjustable ranges, 1mA-100mA, 10mA-1A, 30mA-3A, 50mA-5A, 100mA-10A. External current transformers cannot be used with the YRI-41. The current is monitored on its own supply hence a separate auxiliary supply is not required.

Note, the monitored load and the supply voltage must be from the same source and of the same voltage potential, please note carefully the circuit diagram.

On connection of the supply/load the green LED illuminates, should the load exceed the adjustable set point the SPCO relay output will energise and the red LED will illuminate. Should the load then fall below the set level, less than a nominal 1% hysteresis the output relay will de-energise and the red LED will be extinguished.

Supply & Measuring:

Measurement ranges:
1mA-100mA, 10mA-1A, 30mA-3A,
50mA-5A, 100mA-10A

Max over current:
100mA version / 250mA for 1sec
1A version / 2A for 1sec
3A version / 5A for 1sec
5A version / 8A for 1sec
10A version/ 15A for 1sec

Hysteresis: Nominal 1% fixed

Repeat accuracy: <±1%

Power consumption: 5VA

Relay outputs:

Output relay SPCO Rated: 8A/250VAC AC1

Mechanical life: 30 Million ops

Electrical life: 200K at 8A/250VAC


Operating temperature: -20°C to +65°C

Storage temperature: -20°C to +65°C

Max cable size: 4mm

CE marked: Yes

In accordance with:
EN61000-6-1: 2007
EN61000-6-3: 2007
EN61010-1: 2002

Housing material: Polycarbonate, Auto extinguishable to UL 94 V-0


YRI-41 / 1mA-100mA
YRI-41 / 10mA-1A
YRI-41 / 30mA-3A
YRI-41 / 50mA-5A
YRI-41 / 100mA-10A

As standard units are supplied for a 230VAC potential. On request other potentials are available.

On request other current ranges also available for OEM applications. On request 8 & 11 pin plug in versions available.



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