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Supco Thermostat: Open and Close on Rise, SPDT, 150°F Closing, 170°F Opening - Surface Mount Limit Controls
SupcoSurface Mount Limit Controls

Supco Thermostat: Open and Close on Rise, SPDT, 150°F Closing, 170°F Opening

The Supco LD170 is a surface-mount limit control thermostat with SPDT switch action that opens on rise at 170°F and closes on rise at 150°F, featuring a 20°F differential and auto reset. It operates at 240V AC and is…

SKU 3G-OTH-69454

Also listed as: LD 170 · LD-170

Brand
Supco
Item
Thermostat: Open and Close on Rise, SPDT, 150°F Closing, 170°F Opening
Category
Surface Mount Limit Controls
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Technical Specifications

Supco
Manufacturer Part Number
LD170
Type
SPDT, Auto Reset, 20°F
AC
240V
Closing
150°F
Opening
170°F
Switch Action
Open and Close on Rise

Technical Documents

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

Product Description

The Supco LD170 is a surface-mount limit control thermostat with SPDT switch action that opens on rise at 170°F and closes on rise at 150°F, featuring a 20°F differential and auto reset. It operates at 240V AC and is designed for open and close on rise applications.

Frequently Asked Questions

What is the Supco LD170 thermostat used for?

The Supco LD170 is a surface-mount limit control thermostat used in HVAC and industrial equipment to monitor temperature and switch circuits. It opens on rise at 170°F and closes on rise at 150°F, with a 20°F differential and auto reset, operating at 240V AC.

What are the specifications of the Supco LD170?

The Supco LD170 is a SPDT, auto-reset thermostat with a 20°F differential. It opens at 170°F and closes at 150°F on rise, rated for 240V AC. The switch action is open and close on rise, and it is a surface-mount limit control from brand Supco.

Where to buy the Supco LD170 worldwide?

You can source the Supco LD170 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this surface-mount limit control thermostat.

How to install the Supco LD170 thermostat?

Mount the Supco LD170 on a clean, flat surface using appropriate hardware. Ensure the sensing surface contacts the monitored area. Wire the SPDT terminals per your circuit diagram, respecting the 240V AC rating. Verify the 170°F opening and 150°F closing set points before energizing.

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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