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RANCO Dual Pressure Control: SPST, 10 in Hg to 100 psi Low Side, 150 psi to 450 psi High Side - Dual Pressure Controls
RANCODual Pressure Controls

RANCO Dual Pressure Control: SPST, 10 in Hg to 100 psi Low Side, 150 psi to 450 psi High Side

The RANCO O Series Dual Pressure Control (MPN O12-4834) is a SPST 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, housed in a NEMA 1 enclosure.

SKU 3G-OTH-66779

Also listed as: O124834 · O12 4834

Brand
RANCO
Item
Dual Pressure Control: SPST, 10 in Hg to 100 psi Low Side, 150 psi to 450 psi High Side
Category
Dual 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
O12-4834
Series
O Series
Type
10 in Hg to 100 psi Low Side, NEMA 1
High Side
150 psi to 450 psi
Product Type
Dual Pressure Control

Technical Documents

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

Product Description

The RANCO O Series Dual Pressure Control (MPN O12-4834) is a SPST 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, housed in a NEMA 1 enclosure.

Frequently Asked Questions

What is a RANCO O12-4834 dual pressure control used for?

The RANCO O12-4834 dual pressure control protects refrigeration and HVAC compressors by monitoring both low-side (10 in Hg to 100 psi) and high-side (150 psi to 450 psi) pressures. It opens or closes a SPST switch to prevent damage from overpressure or vacuum conditions.

What are the specifications of the RANCO O12-4834 dual pressure control?

The RANCO O12-4834 is an O Series SPST dual pressure control. Low-side range is 10 in Hg to 100 psi; high-side range is 150 psi to 450 psi. It comes in a NEMA 1 enclosure. The manufacturer part number is O12-4834.

Where to buy a RANCO O12-4834 dual pressure control worldwide?

3G Electric supplies the RANCO O12-4834 dual pressure control to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this genuine RANCO part.

How to install a RANCO dual pressure control?

Install the RANCO dual pressure control in a dry location within its NEMA 1 enclosure rating. Connect low-side and high-side pressure lines per the wiring diagram. Set cut-in and cut-out points within the specified ranges (10 in Hg to 100 psi low, 150 psi to 450 psi high). Always follow local codes.

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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Cross-referenced by specification & description
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Single-pressure control with SPST contact form, rated 24V AC. Auto reset, open on fall switch action. Pressure range 100 psi to 400 psi, differential 40 psi to 150 psi. Used in HVAC and refrigeration systems for overpressure protection
Single Pressure Control: Low Limit, Auto Reset, 12 in Hg to 50 psi, 5 psi to 35 psi, Open on Fall (MPN O10-1401)
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