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JOHNSON CONTROLS Humidity Controller: DIN Rail/Surface Mount, 120/240V AC - Humidifier & Dehumidifier Controls
JOHNSON CONTROLSHumidifier & Dehumidifier Controls

JOHNSON CONTROLS Humidity Controller: DIN Rail/Surface Mount, 120/240V AC

The JOHNSON CONTROLS Humidity Controller (SKU 3G-OTH-67463, MPN W351AB-2C) is a surface-mount humidity controller for humidifier and dehumidifier control applications. It operates on an input voltage of 120/240V AC…

SKU 3G-OTH-67463

Also listed as: W351AB2C · W351AB 2C

Brand
JOHNSON CONTROLS
Item
Humidity Controller: DIN Rail/Surface Mount, 120/240V AC
Category
Humidifier & Dehumidifier Controls
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
W351AB-2C
Type
Dehumidifier Control Compatible
AC
120/240V
Product Type
Humidity Controller
Input Voltage
120/240V AC
Mounting Location
Surface Mount
Outdoor Temperature Sensor
No

Technical Documents

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS Humidity Controller (SKU 3G-OTH-67463, MPN W351AB-2C) is a surface-mount humidity controller for humidifier and dehumidifier control applications. It operates on an input voltage of 120/240V AC and does not include an outdoor temperature sensor.

Frequently Asked Questions

What is the JOHNSON CONTROLS W351AB-2C humidity controller used for?

The JOHNSON CONTROLS W351AB-2C humidity controller is used for humidifier and dehumidifier control in commercial or industrial HVAC systems. It manages relative humidity levels by switching equipment on or off based on setpoints, making it suitable for environmental control in warehouses, clean rooms, or process areas.

What are the specifications of the JOHNSON CONTROLS W351AB-2C humidity controller?

The JOHNSON CONTROLS W351AB-2C is a surface-mount humidity controller with an input voltage of 120/240V AC. It is designed for humidifier and dehumidifier control and does not include an outdoor temperature sensor. The manufacturer part number is W351AB-2C, and it is available under SKU 20XJ85.

Where to buy the JOHNSON CONTROLS W351AB-2C humidity controller worldwide?

You can source the JOHNSON CONTROLS W351AB-2C humidity controller worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this surface-mount controller.

How to install the JOHNSON CONTROLS W351AB-2C humidity controller?

Install the JOHNSON CONTROLS W351AB-2C by mounting it on a surface or DIN rail in a dry location. Connect the 120/240V AC supply per local codes, and wire the humidifier or dehumidifier load according to the wiring diagram. Ensure the sensor is exposed to ambient air for accurate humidity sensing. Consult a qualified electrician.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS humidifier & dehumidifier controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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