Electronic Overcurrent Relay, Function: Designed for protection against overcurrent, phase loss, Operating Current (Range): Adjustable from 5A to 60A (or 70A depending on the exact model specification)., Working Voltage (Main Circuit Ue): Up to 690 V AC, 50/60 Hz., Control Voltage (Control Voltage Us): Generally "autovolts" (multi-voltage) from 90 to 260 V AC., Features:, Adjustable timing for start (D-Time) and intervention (O-Time)., Manual or electric reset., 35mm DIN rail or panel mounting., Auxiliary contacts: 1 NO (Normally Open) + 1 NC (Normally Closed), with 5A/250VAC rating.