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SupcoSurface Mount Limit Controls

Supco Thermostat: Open on Rise, SPST, 280°F Closing, 320°F Opening, Auto Reset

The SUPCO L320 Thermostat is an SPST, Auto Reset, 40°F surface mount limit control that opens on rise at 320°F and closes at 280°F, rated for 120V AC/240V AC. This device provides a straightforward…

SKU 3G-OTH-69777

Also listed as: L 320 · L-320

Brand
Supco
Item
Thermostat: Open on Rise, SPST, 280°F Closing, 320°F Opening, Auto Reset
Category
Surface Mount Limit Controls
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Supco
Manufacturer Part Number
L320
Type
SPST, Auto Reset, 40°F
Closing
280°F
Opening
320°F
AC/240V AC
120V

Technical Documents

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

Product Description

The SUPCO L320 Thermostat is an SPST, Auto Reset, 40°F surface mount limit control that opens on rise at 320°F and closes at 280°F, rated for 120V AC/240V AC. This device provides a straightforward temperature-sensing solution for industrial applications requiring a single-pole, single-throw switch with automatic reset functionality.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Supco L320 thermostat used for?

The Supco L320 is a surface-mount limit control used in HVAC and industrial equipment to monitor temperature. It opens on rise at 320°F and closes at 280°F, with a 40°F differential, protecting systems from overheating in ovens, furnaces, and duct heaters.

What are the specifications of the Supco L320 thermostat?

The Supco L320 is a SPST, auto-reset, open-on-rise thermostat. It opens at 320°F and closes at 280°F, with a 40°F differential. It is rated for 120V AC and 240V AC. The manufacturer part number is L320, and it is a surface-mount limit control.

Where to buy the Supco L320 thermostat worldwide?

You can source the Supco L320 thermostat through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this surface-mount limit control.

How to install the Supco L320 thermostat?

Install the Supco L320 by mounting it securely to a clean, flat surface near the heat source. Ensure electrical connections match the 120V AC or 240V AC rating. Follow standard wiring practices for SPST devices and verify the auto-reset function operates correctly before system startup.

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 surface mount 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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