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DFY-5 power protector is a multi-function three-phase power system or three-phase electrical equipment monitoring and protection equipment. Set three-phase voltage display, overvoltage protection, owe voltage protection, phase lack protection (broken phase protection), sequence protection (wrong phase protection) in one body. The Chinese LCD display, with complete functions, performance stability, simple operation, etc.

DFY-5 power protector can real-time display three-phase power supply voltage, and can occur in power over/under voltage, phase lack, fault fault when through the relay output is equal to the form of users with alarm output and protection of the output circuit action contacts control signal, rise to alarm and protection. Is replacing the traditional sequence relay and voltage relays of high-tech products.

The main function

1 display voltage: display work voltage

And after/voltage protection: voltage is too high or too low, cut off the power equipment.

Three phase lack protection: the three phase power phase lack or serious not balance the power cut off the equipment.

4 sequence protection: the three phase power sequence mistake cut off the power equipment.

5 sound and light alarm: the above failure occurred when sound and light tip.

The main technical parameters

1 the rated voltage control Us: phase voltage AC-220 V line voltage AC-380 V

2 the power supply voltage error:-15% ~ + 10%

3 work environment: temperature-10 ° C ~ 50 ° C

4 output contacts capacity: 2 A / 250 VAC

5 frequency: 50/60 HZ

6 weight: 85 g

The products can be application scope

1 mobile equipment control (site equipment, agricultural equipment, by refrigerated truck)

2 the central air conditioning unit

3 oil pump

4 to protect personal safety equipment to prevent reverse operation (lifting, transportation, elevators, escalators, etc)

5 prevent drive loading dangerous (phase lack)

6 normal/emergency power switch