Heaters provide a maximum trip rating of 125% of minimum motor amperes for 40°C motors (service factor 1.15). For other motors (service factor 1.0), select the next lower listed heater catalog number within the designated table, which provides a maximum trip rating of approximately 115%. Overload relays do not provide protection against short circuits. To ensure proper coordination with short circuit protective device, select heaters from the information packaged with the control device.


FLA @ Size 3, 3.5
FLA @ Size 4


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