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Supco LD140 Surface Mount Limit Control - Surface Mount Limit Controls
SupcoSurface Mount Limit Controls

Supco LD140 Surface Mount Limit Control

Supco Surface Mount Limit Controls.

SKU 3G-OTH-69070

Also listed as: LD 140 · LD-140

Brand
Supco
Item
LD140 Surface Mount Limit Control
Category
Surface Mount Limit Controls
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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
LD140

Technical Documents

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

Product Description

Supco Surface Mount Limit Controls.

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 LD140 limit switch used for?

The Supco LD140 is a surface-mount limit control used in HVAC and industrial equipment to monitor temperature. It opens on temperature rise at 140°F and closes at 120°F, protecting systems from overheating. 3G Electric supplies this SPDT switch rated for 240V AC across 14 industrial departments.

What are the specifications of the Supco LD140 limit switch?

The Supco LD140 is an SPDT limit switch with open-on-rise action: it opens at 140°F and closes at 120°F. It is rated for 240V AC and is a surface-mount control. 3G Electric sources this genuine SUPCO part for global delivery, handling logistics and customs.

Where to buy the Supco LD140 limit switch worldwide?

3G Electric supplies the Supco LD140 limit switch worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this SPDT, 240V AC surface-mount control to your facility. Contact us for availability and lead time.

How to install the Supco LD140 limit switch?

Mount the Supco LD140 securely to a clean surface using appropriate hardware. Wire the SPDT contacts per your control circuit, ensuring the 240V AC rating is not exceeded. Verify the 140°F opening and 120°F closing setpoints with a calibrated thermometer. 3G Electric can provide sourcing support.

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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Surface-mount temperature limit controller with SPST manual reset switch. Opens on temperature rise at 290°F, rated for 240V AC. Used in HVAC, refrigeration, and industrial heating systems to interrupt circuit during overheating, requiring manual reset after trip
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This surface mount limit control is a single-pole, single-throw switch with automatic reset. It opens on temperature rise at 320°F and closes at 280°F, with a 40°F differential. Rated for 120V AC and 240V AC, it is used in HVAC and industrial equipment such as ovens, furnaces, and duct heaters to monitor and limit temperature