Electronic Over-Current Relay Tense-SS3-30 compares the motor current with a preset load current threshold (LOAD). Motor currents are monitored through two internal current transformers. Please don't allow excessive force on CTs.D-Time counts down and is only available for motor starting. During steady-state, if the motor current is greater than the current setting(overloaded). Features: Overcurrent Monitoring & Tripping: Suitable for direct use from 06 N 440 to 5HP (with 0.5-6A relay) and up to 30 N 440 (5-30A relay) or 60 N 440 (5-60A) up to 120 N 440 motors (with 10-120A relay) Protection against phase-loss (Single Phase operation) Shock Relay Ammeter reading No-Volt Relay UL Approved Mounting: Surface or DIN Rail Specification: Product name: Electronic Over-Current Relay Tense-SS3-30 Model: SS3-30 Manufactured : China Usage: Protective Theory: Electronic Protection : Overcurrent, Undercurrent, Overvoltage, Undervoltage, Ground Fault Current: 0.5A~120A Voltage range: 180v-480v AC Package Includes: 1 x Electronic Over-Current Relay Tense-SS3-30