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RANCO Defrost Cycle Control: Constant Differential, SPST, -20°F Cold Off, 21°F Warm On - Constant Differential Defrost Controls
RANCOConstant Differential Defrost Controls

RANCO Defrost Cycle Control: Constant Differential, SPST, -20°F Cold Off, 21°F Warm On

The RANCO A30-313 is a constant differential defrost cycle control, a SPST switch with a -20°F cold off and 21°F warm on differential. It operates at 120/240V AC, providing a fixed temperature differential for…

SKU 3G-OTH-67404

Also listed as: A30313 · A30 313

Brand
RANCO
Item
Defrost Cycle Control: Constant Differential, SPST, -20°F Cold Off, 21°F Warm On
Category
Constant Differential Defrost Controls
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RANCO
Manufacturer Part Number
A30-313
Type
SPST, -20°F Cold Off
AC
120/240V
Voltage
120/240V AC
Warm On
21°F

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

Product Description

The RANCO A30-313 is a constant differential defrost cycle control, a SPST switch with a -20°F cold off and 21°F warm on differential. It operates at 120/240V AC, providing a fixed temperature differential for defrost cycling in industrial equipment.

Frequently Asked Questions

What is the RANCO A30-313 defrost cycle control used for?

The RANCO A30-313 is a constant differential defrost control used in industrial refrigeration and HVAC systems. It cycles defrost operations by opening at -20°F and closing at 21°F, ensuring consistent temperature management in freezers and coolers.

What are the specifications of the RANCO A30-313?

The RANCO A30-313 is a SPST switch with a -20°F cold off and 21°F warm on differential. It operates at 120/240V AC and is designed for constant differential defrost cycling. The manufacturer part number is A30-313.

Where to buy the RANCO A30-313 in worldwide?

You can source the RANCO A30-313 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead times.

How to install the RANCO A30-313 defrost control?

Install the RANCO A30-313 by mounting it securely in the control panel and wiring according to the 120/240V AC rating. Ensure the sensing bulb is properly placed for accurate temperature sensing. Always follow standard electrical safety practices and consult the manufacturer's guidelines.

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 constant differential defrost controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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