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Supco Thermal Cut-Out: Mfr Part # STC4257P5 - Replacement HVACR Controls, Switches & Thermostats
SupcoReplacement HVACR Controls, Switches & Thermostats

Supco Thermal Cut-Out: Mfr Part # STC4257P5

Supco Replacement HVACR Controls, Switches & Thermostats.

SKU 3G-OTH-85025

Brand
Supco
Item
Thermal Cut-Out: Mfr Part # STC4257P5
Category
Replacement HVACR Controls, Switches & Thermostats
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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

Supco
Manufacturer Part Number
STC4257P5

Technical Documents

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

Product Description

Supco Replacement HVACR Controls, Switches & Thermostats.

Frequently Asked Questions

What is the SUPCO STC4257P5 thermal cut-out used for?

The SUPCO STC4257P5 is a replacement thermal cut-out used in HVACR systems to protect compressors and motors from overheating. It interrupts power when temperatures exceed safe limits, preventing damage in refrigeration, air conditioning, and heat pump applications.

What are the specifications of the SUPCO STC4257P5?

The SUPCO STC4257P5 thermal cut-out has manufacturer part number STC4257P5. It is a replacement HVACR control component designed for over-temperature protection. For exact electrical ratings and temperature thresholds, consult the product datasheet or contact 3G Electric for technical support.

Where to buy the SUPCO STC4257P5 thermal cut-out worldwide?

3G Electric supplies the SUPCO STC4257P5 thermal cut-out to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this replacement HVACR control.

How to install the SUPCO STC4257P5 thermal cut-out?

Install the SUPCO STC4257P5 by disconnecting power, mounting the cut-out in the correct orientation on the compressor or motor, and wiring it in series with the control circuit. Follow standard HVACR safety practices and consult the equipment manual for torque and temperature settings.

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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