Range TeSys Product name TeSys LRD Product or component type Differential thermal overload relay Device short name LRD Relay application Motor protection Product compatibility LC1D80 LC1D95 Network type DC AC Thermal overload class Class 10A conforming to IEC 60947-4-1 Thermal protection adjustment range 30…40 A [Ui] rated insulation voltage Power circuit: 1000 V conforming to IEC 60947-4-1 Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL.