Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RANCO A30-180 Constant Differential Defrost Control - Constant Differential Defrost Controls
RANCOConstant Differential Defrost Controls

RANCO A30-180 Constant Differential Defrost Control

The RANCO A30-180 is a constant differential defrost cycle control, a SPST switch with a -4°F cold off and 38°F warm on differential. It operates at 120/240V AC, providing a fixed temperature differential for defrost…

SKU 3G-OTH-67252

Also listed as: A30180 · A30 180

Brand
RANCO
Item
A30-180 Constant Differential Defrost Control
Part Number
A30-180
Category
Constant Differential Defrost Controls
Available to Order
Also known as:A30-180RANCO
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 — 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
A30-180
Type
SPST, -4°F Cold Off
AC
120/240V
Voltage
120/240V AC
Warm On
38°F

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 A30-180 is a constant differential defrost cycle control, a SPST switch with a -4°F cold off and 38°F warm on differential. It operates at 120/240V AC, providing a fixed temperature differential for defrost cycling in refrigeration systems.

Frequently Asked Questions

What is the RANCO A30-180 defrost cycle control used for?

The RANCO A30-180 is a constant differential defrost control used in commercial refrigeration systems. It cycles defrost by opening at -4°F and closing at 38°F, maintaining a fixed temperature differential to prevent ice buildup on evaporator coils.

What are the specifications of the RANCO A30-180?

The RANCO A30-180 is a SPST switch with a -4°F cold off and 38°F warm on differential. It operates at 120/240V AC and is designed for constant differential defrost cycling in refrigeration applications.

Where to buy the RANCO A30-180 worldwide?

3G Electric supplies the RANCO A30-180 defrost cycle control to customers worldwide. We handle full logistics and customs clearance, ensuring delivery to your facility. Contact us for availability and lead time on this part.

How to install the RANCO A30-180 defrost control?

Install the RANCO A30-180 by mounting it in the refrigeration control panel and wiring the SPST switch per the system schematic. Ensure power is off before connecting 120/240V AC. Follow standard refrigeration practices for sensor placement and differential calibration.

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 constant differential defrost 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Enclosed electromechanical defrost timer switch with SPDT-NO/2NC contacts, rated for 208/240V AC. Maximum cycle time is 110 minutes. Used in commercial refrigeration systems to control defrost cycles in walk-in coolers, freezers, and display cases
PARAGON
Enclosed electromechanical defrost timer switch with SPDT-NO/2NC contacts, rated for 208/240V AC. Maximum cycle time is 110 minutes. Used in commercial refrigeration systems to control defrost cycles in walk-in coolers, freezers, and display cases
Enclosed electromechanical defrost timer switch for automatic defrost cycle control in commercial refrigeration systems. Operates on 120V AC with a maximum cycle time of 110 minutes. Features 2 normally open and 1 normally closed contacts. The enclosed housing provides protection against dust and moisture
PARAGON
Enclosed electromechanical defrost timer switch for automatic defrost cycle control in commercial refrigeration systems. Operates on 120V AC with a maximum cycle time of 110 minutes. Features 2 normally open and 1 normally closed contacts. The enclosed housing provides protection against dust and moisture
This PARAGON defrost timer switch is an OEM-style electromechanical device with SPDT contacts, rated for 120V AC and 15 A, and a maximum cycle time of 8 hours. It is used to automatically initiate and terminate defrost cycles in commercial refrigeration systems, preventing ice buildup on evaporator coils. Typical applications include walk-in coolers, freezers, and display cases
PARAGON
This PARAGON defrost timer switch is an OEM-style electromechanical device with SPDT contacts, rated for 120V AC and 15 A, and a maximum cycle time of 8 hours. It is used to automatically initiate and terminate defrost cycles in commercial refrigeration systems, preventing ice buildup on evaporator coils. Typical applications include walk-in coolers, freezers, and display cases
Enclosed electromechanical defrost timer switch for automatic defrost cycle control in commercial refrigeration systems. Operates at 120V AC with SPDT-NO/NC switching and a maximum cycle time of 110 minutes. Used in walk-in coolers, freezers, and display cases to prevent ice buildup on evaporator coils
PARAGON
Enclosed electromechanical defrost timer switch for automatic defrost cycle control in commercial refrigeration systems. Operates at 120V AC with SPDT-NO/NC switching and a maximum cycle time of 110 minutes. Used in walk-in coolers, freezers, and display cases to prevent ice buildup on evaporator coils

More from RANCO

View all RANCO parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first