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Supco Plenum Limit Control SPST Auto Reset 110°F Close 130°F Open - Plenum Limit Controls
SupcoPlenum Limit Controls

Supco Plenum Limit Control SPST Auto Reset 110°F Close 130°F Open

The SUPCO Plenum Thermostat: Open on Rise is a plenum limit control with SPST, auto reset operation. It opens at 130°F and closes at 110°F, rated for 120V AC/240V AC (MPN SHL523).

SKU 3G-OTH-67505

Also listed as: SHL 523 · SHL-523

Brand
Supco
Item
Plenum Limit Control SPST Auto Reset 110°F Close 130°F Open
Part Number
SHL523
Category
Plenum Limit Controls
Available to Order
Also known as:SHL523Supco
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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
SHL523
Type
SPST, Auto Reset
Closing
110°F
Opening
130°F
AC/240V AC
120V

Technical Documents

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

Product Description

The SUPCO Plenum Thermostat: Open on Rise is a plenum limit control with SPST, auto reset operation. It opens at 130°F and closes at 110°F, rated for 120V AC/240V AC (MPN SHL523).

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 SHL523 plenum thermostat used for?

The Supco SHL523 is a plenum limit control used in HVAC systems to monitor air temperature in the supply plenum. It opens on rise at 130°F and closes at 110°F, preventing overheating by interrupting power to the system. It is commonly applied in furnaces, air handlers, and rooftop units.

What are the specifications of the Supco SHL523 plenum thermostat?

The Supco SHL523 is a SPST, open-on-rise plenum thermostat with a 110°F closing temperature and 130°F opening temperature. It features auto reset and is rated for 120 VAC and 240 VAC. The manufacturer part number is SHL523, and it is a plenum limit control from SUPCO.

Where to buy the Supco SHL523 plenum thermostat worldwide?

You can source the Supco SHL523 plenum 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; we supply genuine SUPCO components for HVAC applications.

How to install the Supco SHL523 plenum thermostat?

Install the Supco SHL523 by mounting it in the supply plenum of the HVAC system, ensuring proper airflow contact. Wire the SPST contacts in series with the control circuit, typically the limit circuit. Follow standard HVAC safety practices: disconnect power before installation and verify temperature settings match system requirements.

Used in

Common applications for Supco
Commercial refrigeration maintenance — Supco SL5709 defrost thermostat for Larkin evaporator coils
HVAC system troubleshooting — Supco IG418 universal hot surface igniter for gas furnace replacement
Condensate management in negative pressure systems — Supco NPW1H drain trap for rooftop units
Temperature and sound logging in cold storage — Supco CR4 circular chart recorder for compliance documentation
Compressor protection in light industrial cooling — Supco CSS-25U hard-start device for inrush current control
Safety limit control in heating appliances — Supco SHM350 surface-mount limit control for over-temperature shutdown
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Supco 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.

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