Ningbo UTING Electronic Co., Ltd. is a manufacturer specialized in the production of industrial remote control, crane load cell and elevator parts, such as elevator weighing load cells, elevator door detector, photoelectric sensors and other elevator sensors. The company is located in Yongfeng Industry Zone, Jichang Road, Ningbo City. Since the foundation in March, 2002, the company has developed steadily. The annual production capacity is 20,000 sets of weighing system elevators and 40,000 sets of infrared light screen systems. As a high-tech enterprise of China, it manufactures products with high technology and high added value. 3 PHASES VOLTAGE MONITORING RELAY,3 phases voltage,3 voltage relay3 PHASES VOLTAGE MONITORING RELAY RD6-W/RD6-WL Main features Over-voltage and under-voltage protection and over-voltage and under-voltage value can be set up. Open-phase and phase sequence protection Timing:recording launching times and working hours Show the current supply voltage RD6-W/RD6-WL Technical parameters Max.count 999999 times Power supply voltage Three-phase 200V 450VAC Max.timing 9999h 59mins Show voltage range 150V 500V Max.speed 5/second Voltage measurement accuracy ±1% Total timing error <0.01% Input signal Active 24V/110V or 220V Data keeping 18 years Installation Standard rail or M4 screws to install Contact output capacity 8A/250VAC Working environment -5 45°C,humidity.<85%,no condensation