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RANCO Pressure Switch: Low Limit, Auto Reset, 0 psi to 735 psi, 35 psi, Open on Fall - Single-Pressure Controls
RANCOSingle-Pressure Controls

RANCO Pressure Switch: Low Limit, Auto Reset, 0 psi to 735 psi, 35 psi, Open on Fall

The RANCO Pressure Switch: Low Limit (SKU RHS-4075, MPN RHS-4075) is a single-pressure control with an SPST contact form, rated for 36V DC. It features an Open on Fall switch action and an auto reset, with a pressure…

SKU 3G-OTH-68452

Also listed as: RHS4075 · RHS 4075

Brand
RANCO
Item
Pressure Switch: Low Limit, Auto Reset, 0 psi to 735 psi, 35 psi, Open on Fall
Category
Single-Pressure Controls
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RANCO
Manufacturer Part Number
RHS-4075
Type
Auto Reset, 0 psi to 735 psi, 35 psi, Open on Fall, SPST
Contact Form
SPST
Rated Voltage
36V DC
Switch Action
Open on Fall
Pressure Set Point
0 psi to 735 psi

Technical Documents

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

Product Description

The RANCO Pressure Switch: Low Limit (SKU RHS-4075, MPN RHS-4075) is a single-pressure control with an SPST contact form, rated for 36V DC. It features an Open on Fall switch action and an auto reset, with a pressure set point range of 0 psi to 735 psi.

Frequently Asked Questions

What is the RANCO RHS-4075 pressure switch used for?

The RANCO RHS-4075 is a low-limit, single-pressure control used in industrial systems to open a circuit when pressure falls below a set point. It is commonly applied in refrigeration, HVAC, and pump control systems where automatic reset and reliable pressure monitoring are required.

What are the specifications of the RANCO RHS-4075 pressure switch?

The RANCO RHS-4075 is an SPST pressure switch rated for 36V DC. It features an Open on Fall switch action with auto reset, and a pressure set point range of 0 psi to 735 psi. The differential is 35 psi. It is a low-limit control designed for industrial applications.

Where to buy the RANCO RHS-4075 pressure switch worldwide?

3G Electric supplies the RANCO RHS-4075 pressure switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this single-pressure control.

How to install the RANCO RHS-4075 pressure switch?

Install the RANCO RHS-4075 in a dry location, ensuring the pressure port is connected to the system line. Wire the SPST contacts according to your 36V DC control circuit. Set the pressure set point within the 0 psi to 735 psi range. Always follow manufacturer guidelines for safe operation.

Used in

Common applications for RANCO
Commercial refrigeration — RANCO A12-1506 constant differential defrost control for walk-in freezer defrost cycles
HVAC system protection — RANCO RHS-250150 high-limit pressure switch for overpressure safety in chillers
Industrial cooling — RANCO O12-1506 dual pressure control for monitoring suction and discharge pressures in refrigeration racks
Food storage — RANCO O10-1408 temperature control for maintaining -15°F to 40°F in cold storage rooms
Compressor protection — RANCO P30-3701 mechanical lube oil pressure control for Danfoss compressors in supermarket refrigeration
Refrigerant filtration — RANCO RBFD-163 liquid line filter drier for moisture removal in HCFC systems up to 50 tons

RANCO Products

3G Electric supplies RANCO single-pressure controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Pressure Switch: Low Limit, Auto Reset, 0 psi to 735 psi, 40 psi, Open on Fall, SPST (MPN RHS-4080)
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Pressure Switch: Low Limit, Auto Reset, 0 psi to 735 psi, 25 psi, Open on Fall, SPST (MPN RHS-3560)
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Pressure Switch: High Limit, Auto Reset, 0 psi to 735 psi, 190 psi, Open on Fall, SPST (MPN RHS-610420)

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