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RANCO Pressure Switch: High Limit, Auto Reset, 0 psi to 735 psi, 120 psi, Open on Fall - Single-Pressure Controls
RANCOSingle-Pressure Controls

RANCO Pressure Switch: High Limit, Auto Reset, 0 psi to 735 psi, 120 psi, Open on Fall

The RANCO RHS-400280 is a single-pressure high-limit pressure switch 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…

SKU 3G-OTH-68692

Also listed as: RHS400280 · RHS 400280

Brand
RANCO
Item
Pressure Switch: High Limit, Auto Reset, 0 psi to 735 psi, 120 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-400280
Type
Auto Reset, 0 psi to 735 psi, 120 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
Pressure Differential
120 psi

Technical Documents

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

Product Description

The RANCO RHS-400280 is a single-pressure high-limit pressure switch 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 and a pressure differential of 120 psi.

Frequently Asked Questions

What is the RANCO RHS-400280 pressure switch used for?

The RANCO RHS-400280 is a high-limit pressure switch used in industrial refrigeration, HVAC, and process control systems to protect equipment by opening the circuit when pressure falls below a set point. It is commonly applied in compressor safety circuits and pump control.

What are the specifications of the RANCO RHS-400280?

The RANCO RHS-400280 is a single-pressure high-limit switch with SPST contact form, rated for 36V DC. It has an Open on Fall switch action with auto reset, a pressure set point range of 0 psi to 735 psi, and a pressure differential of 120 psi.

Where to buy the RANCO RHS-400280 worldwide?

You can source the RANCO RHS-400280 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.

How to install the RANCO RHS-400280 pressure switch?

Install the RANCO RHS-400280 by mounting it in a dry location, connecting the SPST contacts to the control circuit, and setting the pressure set point within the 0 psi to 735 psi range. Ensure the differential of 120 psi is accounted for. Follow standard electrical safety practices and consult the manufacturer's manual.

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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Cross-referenced by specification & description
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