Key Parameters Category Description / Value Product Line Eaton ETR (Electronic Thermal Relay) Series ETR4 Rated Operational Current (Iₑ) Setting Range 55 - 70 A (Continuously adjustable within this range) Rated Operational Voltage for Main Circuit Up to 690 V AC, 50/60 Hz Power Supply for Electronics AC, sourced from the main current path (Self-powered) Tripping Class Class 10 (Standard tripping characteristic for general motor starting) Protection Functions • Thermal Overload Protection (based on I²t characteristic) • Phase Failure / Unbalance Protection • Jam / Stall Protection (short-time pickup setting) Ambient Compensation Yes (Provides stable performance across a range of ambient temperatures) Standards Compliance IEC/EN 60947-4-1, UL 508, CSA C22.2 No. 14 Mounting Snap-on mounting onto compatible Eaton contactors (e.g., DILB, DILM series). Auxiliary Contacts • 1 Normally Closed (NC - 95-96): Trip contact, used to break the control circuit. • 1 Normally Open (NO - 97-98): Alarm contact, can be used for signaling. Test & Reset TEST button to simulate a fault, and STOP/RESET button.
