Product image is representative; revision or series may vary. Contact us to request a specific version.
The W65 thermal overload relay heater element, part of Allen Bradley's Bulletin 500 Accessories series, is designed to provide effective overload protection in industrial applications. It operates with a rated voltage compatibility of 600 V AC and features eutectic alloy construction.
-
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
-
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
-
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
-
Repairs and exchanges are available for all automation products.
- Reseller Options
Drop shipping, blind shipping, and account shipping with no extra fees.
Technical specifications for W65
| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Thermal Overload Relay Heater Element |
| Product Line | Bulletin 500 Accessories |
| Part Number | W65 |
| Weight | 0.06 lbs (0.03 kg) |
| UPC | 781180154737 |
| Heater Element Type | W (Eutectic Alloy) |
| Trip Class | 20 |
| Size 0 Full Load Amperes (FLA) | 32.5 A |
| Size 1 Full Load Amperes (FLA) | 32.0 A |
| Size 2 Full Load Amperes (FLA) | 33.0 A |
| Size 3 Full Load Amperes (FLA) | 36.5 A |
| Rated Voltage Compatibility | 600 V AC |
| Relay Class Compliance | NEMA ICS 2, Part 4 |
| Overload Relay Type | Eutectic Alloy Overload Relay |
| Trip Time at 600% Rated Current (Class 20) | ≤ 20 seconds |
| Trip Time at 600% Rated Current (Class 10) | Not applicable (Type J only) |
| Trip Time at 600% Rated Current (Class 30) | Not applicable (Type WL only) |
| Environment Ratings | - Operating Ambient Temperature: -20 °C to +40 °C |
The Allen Bradley W65 is a thermal overload relay heater element that plays a critical role in managing electrical currents and safeguarding equipment from overload conditions. Constructed from eutectic alloy materials, it effectively measures temperature changes and trips accordingly. This component features a robust voltage compatibility of 600 V AC and adheres to the NEMA ICS 2, Part 4 standards, providing assurance of quality and performance.
Designed to fit various sizes of overload relays, the W65 heater element supports multiple full load ampere ratings: 32.5 A for Size 0, 32.0 A for Size 1, 33.0 A for Size 2, and 36.5 A for Size 3. The trip time at 600% of the rated current is optimized at 20 seconds for Class 20, offering rapid responsiveness to overload conditions. However, for Class 10 and Class 30 trips, the W65's specifications indicate non-applicability for Type J and Type WL relays, respectively.
The device is also rated to function in a range of operating temperatures, from -20 °C to +40 °C, making it suitable for various environments. Its design allows it to operate efficiently in conditions of relative humidity up to 95% without condensation, ensuring reliable performance in humid conditions while maintaining stability.