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Technology of Electrical Automatic

DH3-60 Electrical Enclosure Dehumidifier

DH3-60 Electrical Enclosure Dehumidifier

The DH3-60 Electrical Enclosure Dehumidifier utilizes semiconductor refrigeration technology to create an ultra-compact, highly efficient, and energy-saving solution for dehumidification and condensation prevention. It effectively condenses moisture from the humid air inside the electrical cabinet, converting it into water on the dehumidifier’s condensation plate and expelling it from the enclosure. This process rapidly reduces humidity levels within the cabinet, ensuring optimal performance.

This Electrical Enclosure Dehumidifier finds extensive application in various operational power transmission and transformation equipment, including switch cabinets, enclosure transformers, central control cabinets, outdoor terminal boxes, and other sealed enclosures.

The DH3-60 Electrical Enclosure Dehumidifier utilizes semiconductor refrigeration technology to create an ultra-compact, highly efficient, and energy-saving solution for dehumidification and condensation prevention. It effectively condenses moisture from the humid air inside the electrical cabinet, converting it into water on the dehumidifier’s condensation plate and expelling it from the enclosure. This process rapidly reduces humidity levels within the cabinet, ensuring optimal performance.

This Electrical Enclosure Dehumidifier finds extensive application in various operational power transmission and transformation equipment, including switch cabinets, enclosure transformers, central control cabinets, outdoor terminal boxes, and other sealed enclosures.

Features

  • Thermoelectric Peltier cooling principle;
  • Compact and lightweight, easy installation;
  • Low power (20–200 W) and high efficiency;
  • Adjustable humidity and temperature control;
  • Optional 50–500 W external heater connection;
  • Auto/manual mode, adjustable thresholds;
  • 24h real-time temp/humidity monitoring;
  • Optional RS485/ Modbus RTU for remote control;
  • Moisture-proof components, reliable in humidity;

Specification

Working power
Power supply 85V~265VAC/DC 50Hz
Peltier rated power 60W
Air volume flow 70m3/h
Dehumidifying capacity 250ml/Day, @35°C,90%RH
Measurement and ability
Humidity monitor range 20%RH~98%RH
Sensor accuracy ±5%RH
Dehumidify start threshold 45%RH~98%RH, Default 65%RH
Environment temperature 5~60°C
Temperature monitor range -40~80°C
Sensor accuracy ±1.0°C
Heater start threshold 1~55°C, Default 5°C
Heater power 50~500W optional
Heater contact capacity Dry contact, NO, 5A@250Vac/ 30Vdc
Other
Drain hose Silicone, OD 10 mm, ID 8 mm, length 2/3m optional
Material ABS
Dimension 102*140*62mm
Screen 2 digital LED
Standards IEC60255-22-1
Communication RS485, Modbus-RTU (Optional)

Notes:

1. The rated power is related to the cabinet’s inner volume and airtightness, and the general reference value is:
0.5 cubic meter cabinet choose 15w
1.0 cubic meter cabinet choose 30w
1.5 cubic meter cabinet choose 40w
2.0 cubic meter cabinet choose 60w

Cabinet volume is calculated according to the physical dimension (Length*Width*Height).

2. The DH3-60 electrical enclosure dehumidifier is with a built-in sensor. The Sensor accuracy is 5%. If you have customization needs, you can choose an external sensor, please contact our sales team.

3. The electrical enclosure dehumidifier provides passive NO contact for the external heater connection, the capacity is 5A @250Vac. You can free to order heaters or purchase with the DN series.

Application

This industrial dehumidifier is used for various enclosures. Here are some applications of DH-062 electrical enclosure dehumidifier in the following:

  • Power substation equipment rooms;
  • Relay protection & control panels;
  • Switchgear & transformer chambers;
  • Data centers & telecom center;
  • Distribution & control cabinets;
  • Relay testing & maintenance rooms;
  • Power Control & monitoring centers;

Wiring method

DH3-60 Wiring

Heater DO port: Passive dry contact by default, external power supply required. optional active wet node version, the relay is energized and can directly drive the heater, no need external power supply.

Models

Model Max power Air volume flow Sensor Material Additional functions
DH2-60 60W 70m3/h External ABS
  • RS485 Communication
  • Heater (50-500W)
  • Alarm output (Sensor disconnection alarm, Power loss alarm, Temp. and humidity over limit alarm)
DH3-60 60W 70m3/h Built-in ABS
DH4-60 60W 70m3/h External Sheet metal with

anti-rust spray

DH5-80 75W 100m3/h External Aluminum alloy
DH6-200 200W 140m3/h External Sheet metal with anti-rust spray
Notes:

1. Only Model DH4-60 and DH6-200 can choose all three additional functions, other models can only choose two of three.
2. If the enclosure dehumidifier has a built-in sensor, you cannot select the sensor disconnection alarm.
3. Alarm node: default dry node, equipment failure: default normally open

Dimension

Downloads

Catalog of DH Series Peltier Cooler Dehumidifier

DH3-60-User Manual-V1.12

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