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Supco Plenum Thermostat: Open on Rise, SPST, 80°F Closing, 100°F Opening, Auto Reset - Plenum Limit Controls
SupcoPlenum Limit Controls

Supco Plenum Thermostat: Open on Rise, SPST, 80°F Closing, 100°F Opening, Auto Reset

The SUPCO Plenum Thermostat: Open on Rise (MPN SHL520) is a SPST, auto reset plenum limit control with an opening temperature of 100°F and a closing temperature of 80°F, rated for 120V AC/240V AC. 3G Electric…

SKU 3G-OTH-67212

Also listed as: SHL 520 · SHL-520

Brand
Supco
Item
Plenum Thermostat: Open on Rise, SPST, 80°F Closing, 100°F Opening, Auto Reset
Part Number
SHL520
Category
Plenum Limit Controls
Available to Order
Also known as:SHL520Supco
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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
SHL520
Type
SPST, Auto Reset
Closing
80°F
Opening
100°F
AC/240V AC
120V

Technical Documents

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

Product Description

The SUPCO Plenum Thermostat: Open on Rise (MPN SHL520) is a SPST, auto reset plenum limit control with an opening temperature of 100°F and a closing temperature of 80°F, rated for 120V AC/240V AC. 3G Electric interprets your demand for this specific control, sourcing it across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is a Supco SHL520 plenum thermostat used for?

The Supco SHL520 is a plenum limit control used in HVAC systems to monitor air temperature in the supply plenum. It opens on temperature rise at 100°F and closes at 80°F, providing automatic reset overheat protection for forced-air furnaces and duct heaters.

What are the specifications of the Supco SHL520 plenum thermostat?

The Supco SHL520 is a SPST, auto-reset plenum thermostat with an opening temperature of 100°F and a closing temperature of 80°F. It is rated for 120V AC and 240V AC. The manufacturer part number is SHL520.

Where to buy a Supco SHL520 plenum thermostat worldwide?

3G Electric supplies the Supco SHL520 plenum thermostat to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this SPST, auto-reset limit control.

How to install a Supco SHL520 plenum thermostat?

Install the Supco SHL520 in the supply plenum of the HVAC system, ensuring proper airflow across the sensor. Wire the SPST contacts in series with the burner circuit. The auto-reset feature eliminates manual intervention after a high-temperature event.

Used in

Common applications for Supco
Commercial refrigeration maintenance — Supco SL5709 defrost thermostat for Larkin evaporator coils
HVAC system troubleshooting — Supco IG418 universal hot surface igniter for gas furnace replacement
Condensate management in negative pressure systems — Supco NPW1H drain trap for rooftop units
Temperature and sound logging in cold storage — Supco CR4 circular chart recorder for compliance documentation
Compressor protection in light industrial cooling — Supco CSS-25U hard-start device for inrush current control
Safety limit control in heating appliances — Supco SHM350 surface-mount limit control for over-temperature shutdown
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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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