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Supco Limit Thermostat: Open on Rise, SPST, 130°F Closing, 170°F Opening, Auto Reset - Plenum Limit Controls
SupcoPlenum Limit Controls

Supco Limit Thermostat: Open on Rise, SPST, 130°F Closing, 170°F Opening, Auto Reset

The SUPCO Limit Thermostat (Open on Rise) is a SPST, Auto Reset plenum limit control with a 130°F closing and 170°F opening temperature range, rated for 120V AC/240V AC (MPN SHL501). 3G Electric interprets your…

SKU 3G-OTH-67271

Also listed as: SHL 501 · SHL-501

Brand
Supco
Item
Limit Thermostat: Open on Rise, SPST, 130°F Closing, 170°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
SHL501
Type
SPST, Auto Reset
Closing
130°F
Opening
170°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 SPST, Auto Reset plenum limit control with a 130°F closing and 170°F opening temperature range, rated for 120V AC/240V AC (MPN SHL501). 3G Electric interprets your demand for this specific OEM part, sourcing and quoting it across 14 industrial departments, with specialist depth in combustion and controls to ensure the right solution.

Frequently Asked Questions

What is a Supco SHL501 limit thermostat used for?

The Supco SHL501 is a plenum limit control that opens on rise at 170°F and closes at 130°F. It is used in HVAC systems to prevent overheating by interrupting power to the burner or fan when plenum temperature exceeds safe limits.

What are the specifications of the Supco SHL501 limit thermostat?

The Supco SHL501 is an SPST, auto-reset limit thermostat with an opening temperature of 170°F and a closing temperature of 130°F. It is rated for 120V AC and 240V AC. The manufacturer part number is SHL501.

Where to buy a Supco SHL501 limit thermostat worldwide?

3G Electric supplies the Supco SHL501 limit thermostat worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time.

How to install a Supco SHL501 limit thermostat?

Install the Supco SHL501 in the plenum or duct where it senses air temperature. Mount securely, wire in series with the burner or fan circuit, and verify that the auto-reset function opens at 170°F and closes at 130°F. Follow local electrical codes.

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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