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Supco Thermal Cutoff: Mfr Part # STC5333 - Replacement HVACR Controls, Switches & Thermostats
SupcoReplacement HVACR Controls, Switches & Thermostats

Supco Thermal Cutoff: Mfr Part # STC5333

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

SKU 3G-OTH-96294

Also listed as: STC 5333 · STC-5333

Brand
Supco
Item
Thermal Cutoff: Mfr Part # STC5333
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

Supco
Manufacturer Part Number
STC5333
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 STC5333 thermal cutoff used for?

The SUPCO STC5333 thermal cutoff is a safety device used in HVACR systems to protect compressors and motors from overheating. It opens the circuit when temperature exceeds a safe limit, preventing damage. This 2-pack replacement part is common in refrigeration, air conditioning, and heat pump applications.

What are the specifications of the SUPCO STC5333 thermal cutoff?

The SUPCO STC5333 is a thermal cutout with manufacturer part number STC5333. It is sold as a 2-pack for HVACR replacement. Key specs include its product type as a thermal cutoff, designed for over-temperature protection in refrigeration and air conditioning systems. Always verify compatibility with your equipment.

Where to buy SUPCO STC5333 thermal cutoff worldwide?

3G Electric supplies the SUPCO STC5333 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 replacement part for HVACR systems, ensuring reliable over-temperature protection for your equipment.

How to install a SUPCO STC5333 thermal cutoff?

To install the SUPCO STC5333 thermal cutoff, first disconnect power and discharge capacitors. Remove the faulty cutoff, then mount the new one in the same location, ensuring proper thermal contact. Connect wires per the original wiring diagram. Test the system for correct operation before restoring service.

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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