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JOHNSON CONTROLS Humidity Controller: DIN Rail/Wall Mount, 120/240V AC, Dehumidifier Control Compatible - Humidifier & Dehumidifier Stage Modules
JOHNSON CONTROLSHumidifier & Dehumidifier Stage Modules

JOHNSON CONTROLS Humidity Controller: DIN Rail/Wall Mount, 120/240V AC, Dehumidifier Control Compatible

The JOHNSON CONTROLS Humidity Controller (MPN S351AA-1C) is a wall-mount humidity controller designed for dehumidifier control compatibility. It operates on an input voltage of 120/240V AC and includes an outdoor…

SKU 3G-OTH-67497

Also listed as: S351AA1C · S351AA 1C

Brand
JOHNSON CONTROLS
Item
Humidity Controller: DIN Rail/Wall Mount, 120/240V AC, Dehumidifier Control Compatible
Category
Humidifier & Dehumidifier Stage Modules
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
S351AA-1C
Type
Dehumidifier Control Compatible
AC
120/240V
Product Type
Humidity Controller
Input Voltage
120/240V AC
Mounting Location
Wall Mount
Outdoor Temperature Sensor
Yes

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

Product Description

The JOHNSON CONTROLS Humidity Controller (MPN S351AA-1C) is a wall-mount humidity controller designed for dehumidifier control compatibility. It operates on an input voltage of 120/240V AC and includes an outdoor temperature sensor.

Frequently Asked Questions

What is the JOHNSON CONTROLS S351AA-1C humidity controller used for?

The JOHNSON CONTROLS S351AA-1C is a wall-mount humidity controller used to manage dehumidifiers and humidifiers in commercial or industrial HVAC systems. It includes an outdoor temperature sensor for ambient compensation and operates on 120/240V AC input voltage.

What are the specifications of the JOHNSON CONTROLS S351AA-1C humidity controller?

The JOHNSON CONTROLS S351AA-1C is a wall-mount humidity controller with 120/240V AC input voltage. It is compatible with dehumidifier control and includes an outdoor temperature sensor. The manufacturer part number is S351AA-1C.

Where to buy the JOHNSON CONTROLS S351AA-1C humidity controller worldwide?

3G Electric supplies the JOHNSON CONTROLS S351AA-1C humidity controller worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the JOHNSON CONTROLS S351AA-1C humidity controller?

Mount the JOHNSON CONTROLS S351AA-1C on a wall or DIN rail per local codes. Connect 120/240V AC input power and wire the outdoor temperature sensor. Follow generic HVAC controller best practices for wiring and commissioning. Consult the manufacturer manual for detailed steps.

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 stage modules. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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