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Supco Thermal Cutoff: Mfr Part # STC6257 - Replacement HVACR Controls, Switches & Thermostats
SupcoReplacement HVACR Controls, Switches & Thermostats

Supco Thermal Cutoff: Mfr Part # STC6257

Supco Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Thermal Cutout.

SKU 3G-OTH-97450

Also listed as: STC 6257 · STC-6257

Brand
Supco
Item
Thermal Cutoff: Mfr Part # STC6257
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

Supco
Manufacturer Part Number
STC6257
Product Type
Thermal Cutout

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

Product Description

Supco Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Thermal Cutout.

Frequently Asked Questions

What is a SUPCO STC6257 thermal cutoff used for?

The SUPCO STC6257 thermal cutoff is a safety device used in HVACR systems to protect compressors and motors from overheating. It interrupts the electrical circuit when temperatures exceed safe limits, preventing damage. This 2-pack replacement part is common in refrigeration and air conditioning applications.

What are the specifications of the SUPCO STC6257?

The SUPCO STC6257 is a thermal cutout with manufacturer part number STC6257. It comes as a 2-pack replacement for HVACR controls. The product type is thermal cutoff, designed to open the circuit at a preset temperature. For exact temperature ratings, consult the manufacturer's datasheet.

Where to buy SUPCO STC6257 thermal cutoff worldwide?

3G Electric supplies the SUPCO STC6257 thermal cutoff worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 2-pack thermal cutout for HVACR systems.

How to install a SUPCO STC6257 thermal cutoff?

To install the SUPCO STC6257 thermal cutoff, first disconnect power to the HVACR system. Remove the faulty cutoff and replace it with the new unit, ensuring proper wire connections and mounting. Follow the manufacturer's wiring diagram and safety guidelines. Test the system after installation.

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 replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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