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Overload Relay Heater Element W21 | Eutectic Alloy | Class 20 Protection | NEMA Certified | by Allen-Bradley
Overload Relay Heater Element W21 | Eutectic Alloy | Class 20 Protection | NEMA Certified | by Allen-Bradley
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Product Name/Title: Allen-Bradley W21 Overload Relay Heater Element
Brand: Allen-Bradley
SKU: W21
Alternatively Known As: Overload Relay Heater, Heater Element for Overload Relay, W21 Heater Element
Technical Specifications
- Type: W
- Material: Eutectic alloy
- Class: 20 protection
- Compatible Amps: 0.5 to 0.6 Amp
- Compatible Sizes: 0, 1, 00, 24A, 32A, 40A
- Ambient Temperature Rating: 40°C
- Certification: NEMA certified
- Dimensions (H x L x W): 20mm x 80mm x 50mm
- Weight: 0.1 kg
Key Features
- Eutectic alloy construction for reliable performance
- Class 20 protection rating
- NEMA certified for quality assurance
- Designed for 40 degree Celsius ambient temperature
Professional Installation Requirements
- Installation should be performed by a qualified electrician to ensure compliance with electrical safety standards.
Applications
- Use with Bulletin Series 100/500/609/1200 overload relays
- Suitable for amps between 0.5 to 0.6 Amp
- Compatible with sizes 0, 1, 00, 24A, 32A, or 40A overload relays
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable design reduces need for frequent replacements, minimizing waste
Warranty Information
Factory warranty does not apply; includes Radwell 2-year warranty.
Available Now
The Allen-Bradley W21 Overload Relay Heater Element is available for immediate purchase, ideal for industrial and commercial electrical protection applications.
