Brand: AutomationDirect Item: Relay Connection: Pass through Series: RTD320 For Use With: GH15ST or GH15TT 145mm contactors Mounting: Panel Reset: Local Relay Type: Thermal overload Trip Class: Trip Class 10 Auxiliary Contacts: (1) N.O./(1) N.C. Phase Loss Sensitive: Yes Full Load Amperage Range: 216.0-320.0A adjustable Operation Type: Bi-metallic AutomationDirect RTD320 series thermal overload relay, 216.0-320.0A adjustable, bi-metallic, local reset, pass through connection(s), panel mount. For use with GH15ST or GH15TT 145mm contactors.