Features ✅【Real Time Monitoring】: The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted. ✅【35mm Guide Rail】: The voltage monitoring relay made of high quality meterial, With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate. ✅【Main Features】: The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required. ✅【High practicality】: Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity). ✅【Wide range of applications】: The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system. <strong>Features: </strong> 【High practicality】: Voltage Monitoring Relay; Protection function: over voltage, under voltage; Rated voltage: DC 12V/24V/36V/48V; Overvoltage regulation range: 13-17v; Undervoltage adjustment range: 10-14v; Contact capacity: 6A 250VAC (resistivity). 【Real Time Monitoring】: The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted. 【35mm Guide Rail】: With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate. 【Main Features】: The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required. 【Wide range of applications】: The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system. <strong>Specification: </strong> Protection function: over voltage, under voltage Model: DVRD - 12/24/36/48(Optional) Rated voltage: DC 12V/24V/36V/48V(Optional) Monitoring circuit: direct current circuit Protection function: over voltage, under voltage Overvoltage regulation range: 13-17v Undervoltage adjustment range: 10-14v Action delay range: 0.1-15s Display mode: normal, action 2 LED lights indicate the working status Contact form: 2 set of normally open and normally closed contacts Contact capacity: 6A 250VAC (resistivity) Installation: 35mm guide rail Overall dimension: 79 * 23 * 79mm / 3.1 * 0.9 * 3.1in Weight: 200 g / 7.1 oz(approx.) &nbsp; <strong> Package list: </strong> 1 x Overvoltage Undervoltage Protector Package List