We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RANCO RHS-4080 Single-Pressure Control - Single-Pressure Controls
RANCOSingle-Pressure Controls

RANCO RHS-4080 Single-Pressure Control

The RANCO RHS-4080 is a low-limit single-pressure control (SPST contact form) with an auto-reset function. It features an Open on Fall switch action and a pressure set point range of 0 psi to 735 psi, rated for 36V…

SKU 3G-OTH-69458

Also listed as: RHS4080 · RHS 4080

Brand
RANCO
Item
RHS-4080 Single-Pressure Control
Part Number
RHS-4080
Category
Single-Pressure Controls
Available to Order
Also known as:RHS-4080RANCO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RANCO
Manufacturer Part Number
RHS-4080
Type
Auto Reset, 0 psi to 735 psi, 40 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

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The RANCO RHS-4080 is a low-limit single-pressure control (SPST contact form) with an auto-reset function. It features an Open on Fall switch action and a pressure set point range of 0 psi to 735 psi, rated for 36V DC operation.

Frequently Asked Questions

What is the RANCO RHS-4080 pressure switch used for?

The RANCO RHS-4080 is a low-limit single-pressure control used in industrial refrigeration, HVAC, and process systems to monitor and protect against low-pressure conditions. It opens the circuit on a pressure fall, automatically resetting when pressure rises, preventing compressor damage or system shutdown.

What are the specifications of the RANCO RHS-4080?

The RANCO RHS-4080 is a SPST pressure switch with auto reset, rated for 36V DC. It has an Open on Fall switch action and a pressure set point range of 0 psi to 735 psi. The contact form is SPST, and the manufacturer part number is RHS-4080.

Where to buy the RANCO RHS-4080 worldwide?

3G Electric supplies the RANCO RHS-4080 pressure switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this RANCO part globally.

How to install the RANCO RHS-4080 pressure switch?

Install the RANCO RHS-4080 by mounting it in a dry location near the pressure source. Connect the SPST contacts per the wiring diagram, ensuring the rated voltage (36V DC) is not exceeded. Set the pressure set point within the 0 psi to 735 psi range. Always follow local electrical codes and the manufacturer's instructions.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from RANCO

View all RANCO parts
Single-pressure control with SPST contact form, auto reset, and Open on Fall switch action. Pressure set point range 0 psi to 735 psi with a fixed differential of 25 psi. Rated for 240V AC (2.9 FLA/17.4 LRA). Used in HVAC and refrigeration systems to monitor low-pressure conditions
RANCO
Single-pressure control with SPST contact form, auto reset, and Open on Fall switch action. Pressure set point range 0 psi to 735 psi with a fixed differential of 25 psi. Rated for 240V AC (2.9 FLA/17.4 LRA). Used in HVAC and refrigeration systems to monitor low-pressure conditions
Single-pressure control with auto reset and SPST contact form. Switch action is open on fall, with a pressure set point range of 0 psi to 735 psi and a factory setting of 75 psi. Rated for 36V DC. Used in refrigeration and HVAC systems for fan cycling control based on system pressure
RANCO
Single-pressure control with auto reset and SPST contact form. Switch action is open on fall, with a pressure set point range of 0 psi to 735 psi and a factory setting of 75 psi. Rated for 36V DC. Used in refrigeration and HVAC systems for fan cycling control based on system pressure
This single-pressure control is designed for low-limit monitoring in HVAC and refrigeration systems. It features an SPST contact form with Open on Fall switch action, a pressure set point range of 0 psi to 735 psi, and a fixed 20 psi differential. The auto reset function restores the circuit once pressure rises above the set point plus differential. Rated for 36V DC
RANCO
This single-pressure control is designed for low-limit monitoring in HVAC and refrigeration systems. It features an SPST contact form with Open on Fall switch action, a pressure set point range of 0 psi to 735 psi, and a fixed 20 psi differential. The auto reset function restores the circuit once pressure rises above the set point plus differential. Rated for 36V DC
Single-pressure high-limit control with SPST contact form rated for 36V DC. Switch action opens on pressure fall, adjustable set point range 0 psi to 735 psi with fixed 100 psi differential. Auto reset design suitable for industrial refrigeration, HVAC, and process systems requiring low-pressure cutoff
RANCO
Single-pressure high-limit control with SPST contact form rated for 36V DC. Switch action opens on pressure fall, adjustable set point range 0 psi to 735 psi with fixed 100 psi differential. Auto reset design suitable for industrial refrigeration, HVAC, and process systems requiring low-pressure cutoff

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first