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RANCO A22-2451 Constant Differential Defrost Control - Constant Differential Defrost Controls
RANCOConstant Differential Defrost Controls

RANCO A22-2451 Constant Differential Defrost Control

The RANCO A22-2451 is a constant differential defrost cycle control with SPDT switching, featuring a 46°F cold-off and 81°F warm-on setpoint. This industrial control operates at 277V AC and is designed for defrost…

SKU 3G-OTH-67352

Also listed as: A222451 · A22 2451

Brand
RANCO
Item
A22-2451 Constant Differential Defrost Control
Category
Constant Differential Defrost Controls
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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
A22-2451
Voltage
277V AC

Technical Documents

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

Product Description

The RANCO A22-2451 is a constant differential defrost cycle control with SPDT switching, featuring a 46°F cold-off and 81°F warm-on setpoint. This industrial control operates at 277V AC and is designed for defrost cycle management in refrigeration systems.

Frequently Asked Questions

What is the RANCO A22-2451 defrost cycle control used for?

The RANCO A22-2451 is a constant differential defrost cycle control used in commercial and industrial refrigeration systems. It manages defrost cycles by switching off at 46°F cold and on at 81°F warm, ensuring efficient frost removal and system reliability.

What are the specifications of the RANCO A22-2451?

The RANCO A22-2451 is a constant differential defrost control with SPDT switching. It operates at 277V AC, with a cold-off setpoint of 46°F and a warm-on setpoint of 81°F. The manufacturer part number is A22-2451.

Where to buy the RANCO A22-2451 worldwide?

3G Electric supplies the RANCO A22-2451 defrost cycle control to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this industrial refrigeration component.

How to install the RANCO A22-2451 defrost control?

Install the RANCO A22-2451 by mounting it securely in the refrigeration control panel and wiring the SPDT contacts per the system schematic. Ensure the 277V AC supply is disconnected during installation. Follow standard refrigeration control best practices for setpoint adjustment.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Constant differential defrost cycle control with SPDT switching, rated for 120V AC. Features a 59°F cold-off and 91°F warm-on setpoint for fixed differential defrost cycling in industrial refrigeration systems
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Constant differential defrost cycle control with SPDT switching, rated for 120V AC. Features a 59°F cold-off and 91°F warm-on setpoint for fixed differential defrost cycling in industrial refrigeration systems
This constant differential defrost control is a single-pole single-throw (SPST) device rated for 120V AC. It features a 3°F cold off setting and a 47°F warm on setting, providing a fixed differential for automatic defrost cycling in commercial refrigeration systems such as walk-in coolers and freezers
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This constant differential defrost control is a single-pole single-throw (SPST) device rated for 120V AC. It features a 3°F cold off setting and a 47°F warm on setting, providing a fixed differential for automatic defrost cycling in commercial refrigeration systems such as walk-in coolers and freezers
Constant differential defrost control with SPST switch, rated for 120V AC. Operates with -24°F cold off and 20°F warm on temperature differential. Used in commercial refrigeration systems to initiate and terminate defrost cycles, preventing ice buildup on evaporator coils
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Constant differential defrost control with SPST switch, rated for 120V AC. Operates with -24°F cold off and 20°F warm on temperature differential. Used in commercial refrigeration systems to initiate and terminate defrost cycles, preventing ice buildup on evaporator coils
The RANCO A30-313 is a single-pole single-throw constant differential defrost control. It opens at -20°F and closes at 21°F, operating on 120/240V AC. This control is used in refrigeration and HVAC systems to manage defrost cycling in freezers and coolers
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The RANCO A30-313 is a single-pole single-throw constant differential defrost control. It opens at -20°F and closes at 21°F, operating on 120/240V AC. This control is used in refrigeration and HVAC systems to manage defrost cycling in freezers and coolers
SPST defrost cycle control with constant cut-in. Operates at 120/240V AC with a 9°F cold off and 22°F warm on differential. Includes a 39-inch capillary with bulb. Used in commercial refrigeration systems to manage defrost cycles on evaporator coils
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SPST defrost cycle control with constant cut-in. Operates at 120/240V AC with a 9°F cold off and 22°F warm on differential. Includes a 39-inch capillary with bulb. Used in commercial refrigeration systems to manage defrost cycles on evaporator coils

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Constant differential defrost cycle control with single-pole single-throw (SPST) switch action and 30-inch capillary. Operates at 120/240V AC for managing defrost cycles in refrigeration and HVAC systems, terminating defrost and resuming normal cooling based on temperature sensing
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Constant differential defrost cycle control with single-pole single-throw (SPST) switch action and 30-inch capillary. Operates at 120/240V AC for managing defrost cycles in refrigeration and HVAC systems, terminating defrost and resuming normal cooling based on temperature sensing
SPST switch with -4°F cold off and 38°F warm on differential. Operates at 120/240V AC. Used for defrost cycling in refrigeration systems to prevent ice buildup on evaporator coils
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SPST switch with -4°F cold off and 38°F warm on differential. Operates at 120/240V AC. Used for defrost cycling in refrigeration systems to prevent ice buildup on evaporator coils
The RANCO A30-X452 is a constant differential defrost control with SPST switching, operating at 120V AC. It features a 58°F cold-off and 90°F warm-on setpoint for managing defrost cycles in refrigeration and HVAC equipment
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The RANCO A30-X452 is a constant differential defrost control with SPST switching, operating at 120V AC. It features a 58°F cold-off and 90°F warm-on setpoint for managing defrost cycles in refrigeration and HVAC equipment
SPST constant differential defrost control with a 35°F cold off setting and a 48-inch capillary with bulb. Operates at 120/240V AC. Used in refrigeration and HVAC systems to manage defrost cycles
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SPST constant differential defrost control with a 35°F cold off setting and a 48-inch capillary with bulb. Operates at 120/240V AC. Used in refrigeration and HVAC systems to manage defrost cycles
SPST switch with 30°F cold-off and 42°F warm-on differential. Operates at 120V AC. Used in refrigeration systems to manage defrost cycles, preventing ice buildup on evaporator coils
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SPST switch with 30°F cold-off and 42°F warm-on differential. Operates at 120V AC. Used in refrigeration systems to manage defrost cycles, preventing ice buildup on evaporator coils
This constant differential defrost control features SPST switching with a cold-off temperature of 12°F and a warm-on temperature of 25.2°F. It operates at 125/250V AC and is used in commercial refrigeration systems to automatically initiate and terminate defrost cycles, preventing ice buildup on evaporator coils
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This constant differential defrost control features SPST switching with a cold-off temperature of 12°F and a warm-on temperature of 25.2°F. It operates at 125/250V AC and is used in commercial refrigeration systems to automatically initiate and terminate defrost cycles, preventing ice buildup on evaporator coils
Constant differential defrost control with single-pole single-throw (SPST) switching. Opens at 32°F (cold off) and closes at 61°F (warm on). Rated for 277V AC. Used to manage defrost cycles in refrigeration and HVAC equipment
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Constant differential defrost control with single-pole single-throw (SPST) switching. Opens at 32°F (cold off) and closes at 61°F (warm on). Rated for 277V AC. Used to manage defrost cycles in refrigeration and HVAC equipment
SPST constant differential defrost control for defrost cycle management in refrigeration and HVAC systems. Operates at 24V AC with a cold-off setting of 58°F and warm-on setting of 90°F. Includes an 18-inch air coil for sensing evaporator coil temperature to prevent ice buildup
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SPST constant differential defrost control for defrost cycle management in refrigeration and HVAC systems. Operates at 24V AC with a cold-off setting of 58°F and warm-on setting of 90°F. Includes an 18-inch air coil for sensing evaporator coil temperature to prevent ice buildup