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Heater Element W81 | Eutectic Alloy | Class 20 Protection | 117 AMP Support | by Allen-Bradley
The W81 Heater Element is designed for W Series overload relays, featuring a eutectic alloy construction and a Class 20 protection rating. Ideal for industrial motor control systems, it supports 117 AMP at Size 3 and 130 AMP at Size 4, ensuring reliable overload protection in manufacturing equipment and electrical control panels.
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Technical Specifications
- Type: Eutectic alloy heater element
- Series: W Series
- Protection Class: 20
- Current Ratings: 117 AMP at Size 3, 130 AMP at Size 4
- Compatible with Bulletin 500 line starters
- Dimensions (H x L x W): 50mm x 150mm x 100mm
- Weight: 1.5 kg
Key Features
- Eutectic alloy type heater element
- Compatible with W Series overload relays
- Class 20 protection rating
- Supports 117 AMP at Size 3 and 130 AMP at Size 4
Professional Installation Requirements
- Installation should be performed by a qualified electrician familiar with motor control and overload relay systems.
Applications
- Industrial motor control systems
- Overload protection in manufacturing equipment
- Electrical control panels using Bulletin 500 line starters
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Enhances motor efficiency by preventing overload damage, reducing energy waste and equipment downtime.
Warranty Information
Radwell 2-year warranty included; factory warranty does not apply.
Available Now
The Allen-Bradley W81 Heater Element is available for immediate purchase, ideal for industrial motor protection and control applications.
