Acrel WHD adjustable temperature control switch

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Product Description

WHD20R-22 Din Rail Temperature & Humidity Controller

General

 The controller for temperature and humidity is suitable for adjustment and control of temperature and humidity in equipments of high voltage switchgear, terminal box, ring network panel, box transformer substation etc. It can effectively protect relevant equipment from faults resulting from excessive low or high temperature, creepage or flashover etc.from humidity or condensation.

Features

● Optional functions: alarm, communication
● Temperature and humidity measuring & controlling
● DIN rail mounted

Types

Product Name	Function Description	Optional Functions
WHD48-11	LED display; Measure display and control 1 channel temperature and humidity	/C:RS485 communication
WHD72-11	LED display; Measure display and control 1 channel temperature and humidity	/J: relay alarm output /C:RS485 communication /M: analog output(DC4-20mA) /UT:Utility Tunnel (M & C cannot be select at the same time)
WHD72-22	LED display; Measure display and control 2 channels temperature and humidity
WHD20R-11	LED display; Din rail mount Measure display and control 1 channel temperature and humidity	/J: relay alarm output /C:RS485 communication (C&J can be selected at the same time)
WHD20R-22	LED display; Measure display and control 2 channels temperature and humidity
WHD46-11	LED display; Measure display and control 1 channel temperature and humidity	/J: relay alarm output /C:RS485 communication /M: analog output(DC4-20mA) (Choose one from above three)
WHD46-22	LED display; Measure display and control 2 channels temperature and humidity
WHD46-33	LED display; Measure display and control 3 channels temperature and humidity

Technical Parameters

Function

Wiring

Typical connection

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Jiangsu Acrel Electrical Manufacturing Co.,LTD.: Contact nameRobin Wong
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Product Categories

energy meter	current transformer	current meter	DC power meter
active harmonic filter	motor protector	protection relay	smart lighting control
temperature controller	power quality	wireless energy meter	charging pile
solar combiner box	resistance tester	switch control device

Acrel WHD adjustable temperature control switch

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