Description
W57 - Allen Bradley - NEMA Overload Relay Heater Element
W57 is a type W eutectic alloy heater element for NEMA overload relays in Allen-Bradley starters, offering Class 20 trip performance. It operates within a full-load current range of approximately 15.7 to 16.4 amps depending on starter size. The unit is non-repairable and provides accurate protection against overload conditions. Commonly used in motor control applications.
TECHNICAL SPECIFICATIONS
General
| Full Load Current Range | See www.AB.com "heater element selection" |
|---|---|
| Timing Range | Class 20 |
| Trip Class | 20 |
PRODUCT DATASHEET