3RV1021-***** can be used as Type E self-protected manual
combination starter per UL508 to turn motors on and off.
Each device has built-in heater elements that provide overload
protection and magnetic trip elements to protect the motor.

Features include:
:: 0.22-0.32 FLA Adjustment range.
:: "0.11-22.0A up to 480V MAX" and "0.11-12.5A up to 575V MAX"
:: ON/OFF rotary handle with lockout and visiable trip indication.
:: Adjustment dial for setting motor to FLA.
:: Class 10 overload trip characteristics.
:: Ambient compensated up to 140 degrees F.
:: Phase loss sensitivity.
:: Test trip function.