Supco Plenum Thermostat: Open on Rise, SPST, 140°F Closing, 160°F Opening, Auto Reset
The SUPCO Plenum Thermostat: Open on Rise is a SPST, Auto Reset plenum limit control (MPN SHL522) with a 140°F closing temperature and a 160°F opening temperature, rated for 120V AC/240V AC. 3G Electric interprets…
SKU 3G-OTH-67306
Also listed as: SHL 522 · SHL-522
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SUPCO Plenum Thermostat: Open on Rise is a SPST, Auto Reset plenum limit control (MPN SHL522) with a 140°F closing temperature and a 160°F opening temperature, rated for 120V AC/240V AC. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including SUPCO, Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is a Supco SHL522 plenum thermostat used for?
The Supco SHL522 is a plenum limit control used in HVAC systems to monitor air temperature in the supply plenum. It opens on temperature rise at 160°F and closes at 140°F, preventing overheating by interrupting power to the heating equipment.
What are the specifications of the Supco SHL522 plenum thermostat?
The Supco SHL522 is a single-pole single-throw (SPST) auto-reset plenum thermostat. It opens at 160°F and closes at 140°F. It is rated for 120V AC and 240V AC. The manufacturer part number is SHL522.
Where to buy a Supco SHL522 plenum thermostat worldwide?
3G Electric supplies the Supco SHL522 plenum thermostat to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this HVAC limit control.
How to install a Supco SHL522 plenum thermostat?
Mount the Supco SHL522 securely in the supply plenum where it senses air temperature. Wire it in series with the heating circuit per local codes. Ensure the opening temperature (160°F) matches your system's safety limits. Always disconnect power before installation.
Used in
Common applications for SupcoSupco 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.
