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Supco Limit Thermostat: Open on Rise, SPST, 150°F Closing, 180°F Opening, Auto Reset - Plenum Limit Controls
SupcoPlenum Limit Controls

Supco Limit Thermostat: Open on Rise, SPST, 150°F Closing, 180°F Opening, Auto Reset

The SUPCO Limit Thermostat: Open on Rise is a plenum limit control with SPST, auto reset functionality. It opens at 180°F and closes at 150°F, rated for 120V AC/240V AC (MPN SHL502).

SKU 3G-OTH-67339

Also listed as: SHL 502 · SHL-502

Brand
Supco
Item
Limit Thermostat: Open on Rise, SPST, 150°F Closing, 180°F Opening, Auto Reset
Category
Plenum Limit Controls
Available to Order
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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
SHL502
Type
SPST, Auto Reset
Closing
150°F
Opening
180°F
AC/240V AC
120V

Technical Documents

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

Product Description

The SUPCO Limit Thermostat: Open on Rise is a plenum limit control with SPST, auto reset functionality. It opens at 180°F and closes at 150°F, rated for 120V AC/240V AC (MPN SHL502).

Frequently Asked Questions

What is a Supco SHL502 limit thermostat used for?

The Supco SHL502 is a plenum limit control used in HVAC systems to prevent overheating. It opens on rise at 180°F and closes at 150°F, automatically resetting to protect equipment. 3G Electric supplies this SPST thermostat for worldwide delivery.

What are the specifications of the Supco SHL502 limit thermostat?

The Supco SHL502 is an SPST, auto-reset limit thermostat with an opening temperature of 180°F and closing at 150°F. It operates on 120V AC or 240V AC. 3G Electric sources this genuine Supco part for global supply.

Where to buy a Supco SHL502 limit thermostat worldwide?

3G Electric supplies the Supco SHL502 limit thermostat worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this genuine Supco plenum limit control for your HVAC system.

How to install a Supco SHL502 limit thermostat?

Install the Supco SHL502 in the plenum or duct where it senses air temperature. Mount securely, wire according to the SPST configuration, and ensure the auto-reset function operates correctly. 3G Electric provides this genuine Supco part for global delivery.

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

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