DIN-Rail Intelligent LCD Display Temperature and Humidity Controller with Temperature Sensor 1-2 Channels for Switchgear, Ring Main Unit, Terminal Box

• Certification: CE
• Fan: With Fan
• Dehumidification Capacity: 10-20Kg/H
• Control: Automatic
• Suitable Temperature: 5-38 Degrees Celsius
• Structure: Split
• Model NO.: WHD20R
• Type: Multifunction
• Humidity: 1 ~ 3 Channels
• Temperature: 1 ~ 3 Channels
• Communication: RS485, Modbus-RTU
• Analog Output: DC4-20mA
• Transport Package: Carton
• Specification: WHD
• Trademark: Acrel
• Origin: China
• HS Code: 9032100000
• Production Capacity: 200000

Product Description

Product Description

WHD series smart temperature and humidity controller is suitable for adjustment and control of temperature and humidity in the equipment 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.

 

Application

☆ Medium and High Voltage Switchgear
☆ Distribution Cabinet
☆ Box Transformer Substation
☆ Terminal Box

 

Product Parameters

Technical Parameter		WHD48	WHD72	WHD46	WHD20R
Temperature and Humidity Channels		1	1, 2	1, 2, 3	1, 2
Measuring range	Temperature	-40ºC~99.9ºC
	Humidity	20%RH--90%RH
Accuracy	Temperature	±1ºC
	Humidity	±5%RH
Set range of controlling parameters	Heating for temperature rising	-40ºC~40ºC
	Blowing for temperature decreasing	0ºC~99.9ºC
	Humidity	20%RH~90%RH
Optional function	Communication	RS485 Modbus-RTU
	Analog output	No	DC4-20mA		No
	Alarm	No	1 alarm output
Auxiliary power supply		AC85~265V, DC100~350V
Insulation resistance		≥100MΩ

 

Dimension

WHD48-11	WHD72-11, WHD72-22
WHD46-11, WHD46-22, WHD46-33	WHD20R-11, WHD20R-22

 

Wiring

Structure

Networking

Company Profile

Acrel Co., Ltd.[stock code: 300286.SZ] is a high-tech enterprise that integrates R&D, production, sales, and service, since its establishment, it committed to providing users with energy efficiency management and powerful security system solutions. Acrel Electric has a complete production line from cloud platform software to sensors.

Acrel energy efficiency management system including substation operations and maintenance cloud platform, electricity safety management cloud platform, Environmental equipment power consumption monitoring cloud platform, prepaid management (system) cloud platform, intelligent power distribution monitoring system, power quality management system, building energy consumption management system, industrial energy control platform, leakage power monitor and control system, fire-fighting device power monitoring system, fire-proof door monitoring system, emergency lighting and evacuation indicating system, EV charger management system, data center power&environment monitoring system, smart lighting control system, IT isolation power supply system and related products.

The company attaches great importance to product quality and innovation. By the end of 2018, the company has 5 trademarks, 18 invention patents, 72 utility model patents, 94 appearance patents, and 147 computer software Copyrights, and has participated in the formulation of national or industrial standards.