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Supco Pressure Switch: Low Limit, Auto Reset, 75 psi to 75 psi, Open on Fall - Single-Pressure Encapsulated Control Switches
SupcoSingle-Pressure Encapsulated Control Switches

Supco Pressure Switch: Low Limit, Auto Reset, 75 psi to 75 psi, Open on Fall

The SUPCO Pressure Switch: Low Limit (MPN SLP75100) is a single-pressure encapsulated control switch with an SPST contact form and a rated voltage of 24V AC. It features an Open on Fall switch action and an auto…

SKU 3G-OTH-68148

Also listed as: SLP 75100 · SLP-75100

Brand
Supco
Item
Pressure Switch: Low Limit, Auto Reset, 75 psi to 75 psi, Open on Fall
Category
Single-Pressure Encapsulated Control Switches
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Technical Specifications

Supco
Manufacturer Part Number
SLP75100
Type
Auto Reset, 75 psi to 75 psi, Open on Fall, SPST
Contact Form
SPST
Female Flare
1/4 in
Rated Voltage
24V AC
Switch Action
Open on Fall
Pressure Set Point
75 psi to 75 psi

Technical Documents

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

Product Description

The SUPCO Pressure Switch: Low Limit (MPN SLP75100) is a single-pressure encapsulated control switch with an SPST contact form and a rated voltage of 24V AC. It features an Open on Fall switch action and an auto reset, with a pressure set point of 75 psi to 75 psi and a 1/4 in Female Flare connection.

Frequently Asked Questions

What is the SUPCO SLP75100 pressure switch used for?

The SUPCO SLP75100 is a low-limit pressure switch used in HVAC and refrigeration systems to monitor and control pressure. It opens on a fall in pressure below 75 psi and auto-resets, protecting compressors and preventing damage from low-pressure conditions.

What are the specifications of the SUPCO SLP75100 pressure switch?

The SUPCO SLP75100 is a single-pressure encapsulated control switch with SPST contact form, rated 24V AC, and open-on-fall switch action. It has a pressure set point of 75 psi to 75 psi, auto reset, and a 1/4 in female flare connection.

Where to buy the SUPCO SLP75100 pressure switch worldwide?

You can source the SUPCO SLP75100 pressure switch from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your HVAC and refrigeration needs.

How to install the SUPCO SLP75100 pressure switch?

Install the SUPCO SLP75100 by connecting the 1/4 in female flare to the system port. Ensure the switch is wired to a 24V AC circuit with SPST configuration. Follow standard HVAC practices for pressure switch installation, and verify the set point of 75 psi for proper low-limit control.

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 single-pressure encapsulated control switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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