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Supco Manual Reset: Open on Rise, SPST, 350°F Opening, Manual Reset - Surface Mount Limit Controls
SupcoSurface Mount Limit Controls

Supco Manual Reset: Open on Rise, SPST, 350°F Opening, Manual Reset

Supco Surface Mount Limit Controls.

SKU 3G-OTH-69928

Also listed as: SHM 350 · SHM-350

Brand
Supco
Item
Manual Reset: Open on Rise, SPST, 350°F Opening, Manual Reset
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
SHM350

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 SHM350 manual reset limit control used for?

The Supco SHM350 is a surface-mount limit control that opens on temperature rise at 350°F. It is used in HVAC and industrial heating systems to provide over-temperature protection, requiring manual reset after activation to ensure safe operation.

What are the specifications of the Supco SHM350?

The Supco SHM350 is a manual reset, open-on-rise, SPST limit control with a 350°F opening temperature. It is rated for 120V AC and 240V AC. The manufacturer part number is SHM350, and it is a surface-mount device for over-temperature safety in heating equipment.

Where to buy the Supco SHM350 worldwide?

You can source the Supco SHM350 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your HVAC or industrial heating needs.

How to install the Supco SHM350 manual reset limit control?

Install the Supco SHM350 by mounting it securely on a clean surface near the heat source. Wire the SPST contacts in series with the load circuit. After a trip event, allow the device to cool before manually pressing the reset button. Always follow local electrical codes.

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 limit control with SPST switch, automatic reset, and 20°F differential. Opens at 135°F and closes at 170°F. Rated for 120V AC and 240V AC. Used in HVAC equipment such as furnaces, boilers, and duct heaters for overtemperature protection
Limit Thermostat: Open on Rise, SPST, 150°F Closing, 180°F Opening, Auto Reset, 120V AC/240V AC (MPN SHL502)
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Limit Thermostat: Open on Rise, SPST, 150°F Closing, 180°F Opening, Auto Reset, 120V AC/240V AC (MPN SHL502)

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The Supco SHM200 is a surface-mount limit control with SPDT contacts rated for 240V AC. It features manual reset operation for over-temperature protection in HVAC, refrigeration, and industrial heating systems
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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