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Supco Single Pressure Control: Fan Cycling, Auto Reset - Single-Pressure Encapsulated Control Switches
SupcoSingle-Pressure Encapsulated Control Switches

Supco Single Pressure Control: Fan Cycling, Auto Reset

The Supco SFC300400 is a single-pressure encapsulated control switch designed for fan cycling with auto reset and a 1/4 in flare connection. This product operates with a rated voltage of 6V DC. It is a…

SKU 3G-OTH-68556

Also listed as: SFC 300400 · SFC-300400

Brand
Supco
Item
Single Pressure Control: Fan Cycling, Auto Reset
Category
Single-Pressure Encapsulated Control Switches
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Technical Specifications

Supco
Manufacturer Part Number
SFC300400
Rated Voltage
6V DC

Technical Documents

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

Product Description

The Supco SFC300400 is a single-pressure encapsulated control switch designed for fan cycling with auto reset and a 1/4 in flare connection. This product operates with a rated voltage of 6V DC. It is a single-pressure control switch from the brand Supco.

Frequently Asked Questions

What is the Supco SFC300400 single pressure control used for?

The Supco SFC300400 is a single-pressure encapsulated control switch used for fan cycling in HVAC and refrigeration systems. It features auto reset and a 1/4 in flare connection, making it suitable for managing condenser fan operation to maintain proper system pressure.

What are the specifications of the Supco SFC300400?

The Supco SFC300400 is a single-pressure encapsulated control switch with a rated voltage of 6V DC. It is designed for fan cycling with auto reset and a 1/4 in flare connection. The manufacturer part number is SFC300400, and it is produced by Supco.

Where to buy the Supco SFC300400 worldwide?

You can source the Supco SFC300400 single pressure control through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the product reaches your facility reliably.

How to install the Supco SFC300400 fan cycling control?

To install the Supco SFC300400, first ensure power is off. Connect the 1/4 in flare fitting to the refrigeration line, then wire the 6V DC control to the fan circuit per the wiring diagram. Mount the encapsulated switch securely and test for proper auto-reset operation.

Used in

Common applications for Supco
Commercial refrigeration display cases — Supco RO82 relay and CSS-25U starter for compressor motor control without run capacitors
Medium-load HVAC systems — Supco SPP 6/SPP 8 hard-start devices to reduce compressor inrush current and extend motor lifespan
Cold-chain pharmaceutical and food storage — SL300TH temperature–humidity data logger for continuous monitoring and regulatory documentation
Refrigerant service operations — Piercing valves and perforator cocks in 1/2" and 5/8" sizes for fast, non-invasive line access
Compressor thermal management — Universal Compressor Door for reducing shell temperature and improving efficiency in hot ambient conditions
Retrofit and field repairs — Supco controls with Quick Connect terminals for rapid installation in legacy refrigeration circuits

Supco Products

3G Electric supplies Supco single-pressure encapsulated control switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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