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Allen Bradley W20 Thermal Overload Relay Heater Element

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ManufacturerAllen Bradley

Part numberW20

Current Rating 0.46-0.55 Amps

Protection Class Class 20

Type W Heater Element

Manufacturer Allen-Bradley

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Veteran-owned

CAGE: 9NK75

Class 20 Protection 0.46-0.55 Amp Range For Thermal Overload Relays Accurate Motor Protection Type W Series

Product description

The Allen-Bradley W20 is a Thermal Overload Relay Heater Element designed for precise motor overload protection. It features a specific current rating of 0.46 to 0.55 Amps and provides Class 20 protection, ensuring timely tripping to prevent motor damage.

This heater element is integral to motor starters and industrial control panels, offering reliable performance in electrical systems. It's manufactured to Allen-Bradley's exacting standards for consistent trip performance and durability.

Stanlo Automation, a veteran-owned business, offers surplus industrial parts like the Allen-Bradley W20. We are dedicated to providing quality components and excellent customer service to keep your automation systems running.

Technical specifications

Current Rating	0.46-0.55 Amps
Protection Class	Class 20
Type	W Heater Element
Manufacturer	Allen-Bradley

Common applications

Motor Starters

Industrial Control Panels

Electrical Systems

Maintenance and Repair

Compatible systems

Allen-Bradley Thermal Overload Relays, Bulletin Series 100/500/609/1200

Also known as

Allen Bradley W20 Overload Heater W20 Heater Element AB W20

Replaces / compatible with

Use with Allen-Bradley thermal overload relays and Bulletin Series 100/500/609/1200.

Technical note

Expert tip

The W20 is designed for eutectic overload relays and requires manual reset.

What happens next?

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Frequently asked questions

What is the trip class of the Allen Bradley W20 heater element?

The Allen Bradley W20 heater element is a Class 20 device. This classification indicates the time it takes for the element to trip at a specific multiple of its rated current, providing essential overload protection.