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RANCO O12-1550 Dual Pressure Control - Dual Pressure Controls
RANCODual Pressure Controls

RANCO O12-1550 Dual Pressure Control

The RANCO Series O Dual Pressure Control (MPN O12-1550) is a SPST switch designed for industrial pressure monitoring. It features a low-side range of 10 in Hg to 100 psi and a high-side range of 150 psi to 450 psi…

SKU 3G-OTH-66758

Also listed as: O121550 · O12 1550

Brand
RANCO
Item
O12-1550 Dual Pressure Control
Category
Dual Pressure Controls
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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

RANCO
Manufacturer Part Number
O12-1550
Series
O
Type
10 in Hg to 100 psi Low Side
AC
120/240V
High Side
150 psi to 450 psi
Product Type
Dual Pressure Control
Low Side Pressure Differential
11 psi to 40 psi

Technical Documents

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

Product Description

The RANCO Series O Dual Pressure Control (MPN O12-1550) is a SPST switch designed for industrial pressure monitoring. It features a low-side range of 10 in Hg to 100 psi and a high-side range of 150 psi to 450 psi, with a low-side pressure differential of 11 psi to 40 psi. The control operates at 120/240V AC.

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 RANCO O12-1550 dual pressure control used for?

The RANCO O12-1550 dual pressure control is used in industrial refrigeration, HVAC, and process systems to monitor and switch on high- and low-side pressure conditions. It protects compressors and other equipment by opening or closing a SPST circuit when pressure exceeds or drops below set points.

What are the specifications of the RANCO O12-1550?

The RANCO O12-1550 is a Series O dual pressure control with a low-side range of 10 in Hg to 100 psi and a high-side range of 150 psi to 450 psi. Its low-side pressure differential is 11 psi to 40 psi. It operates on 120/240V AC and features a SPST switch.

Where to buy the RANCO O12-1550 worldwide?

You can source the RANCO O12-1550 dual pressure control 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 O12-1550 dual pressure control?

Install the RANCO O12-1550 by mounting it securely in a dry location, connecting the high- and low-side pressure lines per the system schematic, and wiring the SPST switch to the 120/240V AC control circuit. Always follow the manufacturer's manual and local electrical codes 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 dual 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
Single Pressure Control: High Limit, Auto Reset, 100 psi to 400 psi, 40 psi to 150 psi, SPST (MPN O10-1894)
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Single Pressure Control: High Limit, Auto Reset, 100 psi to 400 psi, 40 psi to 150 psi, SPST (MPN O10-1894)
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Single Pressure Control: High Limit, Manual Reset, 150 psi to 450 psi, 40 psi, Close on Rise, SPDT (MPN O16-209)
Single-pressure control with SPST contacts, auto reset, and close-on-rise switch action. Pressure range 10 in Hg to 100 psi with differential 10 psi to 40 psi. Rated for 120/240V AC. Used in HVAC and refrigeration systems for low-limit pressure monitoring and compressor protection
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Single-pressure control with SPST contacts, auto reset, and close-on-rise switch action. Pressure range 10 in Hg to 100 psi with differential 10 psi to 40 psi. Rated for 120/240V AC. Used in HVAC and refrigeration systems for low-limit pressure monitoring and compressor protection
Single-pressure control with auto reset, SPDT contact form, rated 120/240V AC. Switch action is close on rise, with pressure range 10 in Hg to 100 psi and adjustable differential 10 psi to 40 psi. Used in HVAC and refrigeration systems for low-limit pressure monitoring and circuit switching
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Single-pressure control with auto reset, SPDT contact form, rated 120/240V AC. Switch action is close on rise, with pressure range 10 in Hg to 100 psi and adjustable differential 10 psi to 40 psi. Used in HVAC and refrigeration systems for low-limit pressure monitoring and circuit switching
Single Pressure Control: High Limit, Auto Reset, 100 psi to 400 psi, 4 psi to 150 psi, SPDT (MPN O16-108)
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Single Pressure Control: High Limit, Auto Reset, 100 psi to 400 psi, 4 psi to 150 psi, SPDT (MPN O16-108)

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Dual pressure control with SPST switching, low-side range 12 in Hg to 50 psi, high-side range 150 psi to 450 psi, NEMA 1 enclosure. Used in refrigeration and HVAC systems to monitor and switch on low and high pressure circuits, protecting compressors from unsafe conditions
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The RANCO Series O dual pressure control is a single-pole single-throw switch designed for pressure monitoring in refrigeration and HVAC systems. It features a low-side range of 10 in Hg to 100 psi and a high-side range of 150 psi to 450 psi, with a voltage rating of 120/240V AC. This control protects compressors by cutting out on high pressure and cutting in on low pressure
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