ALRE Dew point monitors WFRRN-210.018

Model No: WFRRN-210.018 Item No: D 4780572
Equipment: 230 V ~, 50 Hz, Switching Capacity: up to 230 V~,
50 Hz max 10 (3) A, up to 30 V~ max 10 A, up to max 60 V~ 1 A
Protection Class: II after according installation; up to 5 TPS dew point sensors input in parallel. Sensor need to be ordered separately. PG:


This dew point monitor is used for the interruption of cooling operations in cases where the relative humidity transcends a level of 98%. Operating mode: If the surface temperature of the dew point sensor corresponds to the dew point.
Technical Data  
Operating Voltage: See equipment
Power Consumption: Approx. 1 VA
Sensor: External dew point sensor (TPS)

Max. 5 sensors can be connected

Fixed Switching Point: Approx. 98% r.h.
Switching Output: Potential-free changeover contact
Switching Capacity: See equipment
Min. Switching Current: 5 mA
Indicators (LED’s) Red ( = dew point tripping)
Degree of Protection: IP 20
Protection Class: See equipment
Admissible Humidity: Max. 95%, non-condensing
Storage Temperature: -20…+70°C
Safety and EMC: According to DIN EN 60730
Ambient Temperature: 0…55°C
Housing Colour: Light grey, similar to RAL 7035
Housing Material: Plastic (PC)
Mounting/Installation: On standard rail
Weight: NEHR/WFFN: approx. 160g

TPS: approx. 30g

Electrical Connections:


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