1、​The product adopts standard modular structure and rail installation. 2、The product uses LCD to display Chinese voltage value, fault status, parameters and so on. 3、Real-time monitoring of motor over-current, under-current, phase-gap and voltage unbalance faults. 4、Over-voltage, under-voltage value adjustable, action time adjustable, more flexible use. 5、Voltage unbalance rate can be adjusted, operation time can be adjusted, simple and easy to use. Feature: The product adopts standard modular structure and rail installation. The product uses LCD to display Chinese voltage value, fault status, parameters and so on. Real-time monitoring of motor over-current, under-current, phase-gap and voltage unbalance faults. Over-voltage, under-voltage value adjustable, action time adjustable, more flexible use. Voltage unbalance rate can be adjusted, operation time can be adjusted, simple and easy to use. Products are widely used in pumps, cranes, elevators, machine tools and other equipment. Specification: Model: JVR 1000 Monitoring Circuits L1, L2, L3 Rated voltage 380V AC, 50Hz Protection Functions: Overvoltage, Undervoltage, Unbalanced Voltage, Staggered Phase, Staggered Phase, Fault Recording Overvoltage regulation range: 390-490V Undervoltage regulation range: 300-370V Overvoltage and undervoltage recovery: 10V Over-undervoltage action time: 0.1-25s Three-phase unbalance regulation range: 5%-29% Three-phase unbalanced operation time: 1-25s Phase missing action time: 1s Staggered action time: instantaneous Display mode: Chinese LCD display each action state Contact capacity: 6A 250V AC (resistive) Dimensions (length * width * depth): 80*40*54mm / 3.1*1.6*2.1in Installation method: 35mm rail Weight: 126g / 4.4oz Package list: 1 * Phase sequence protector Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.