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General
YC7VA-3 voltage and current display relay is a microprocessor-based voltage monitoring device for three-phase AC networks to protect electrical equipment from surge voltage. The device analyzes the main voltage and displays its current value on a digital indicator. Load is switched by an electromagnetic relay. The user can set the current voltage value and delay time through the button. The value is stored in non-volatile memory. Aluminum wires and copper wires can be used for connection.
Application
YC7VA-3 three-phase voltage and current display relay is used in administrative, industrial, and residential buildings and has the function of protecting three-phase lines:
|
Parameter |
Data |
|
Rated Power Supply Voltage |
AC230V |
|
Rated Frequency |
50/60Hz |
|
Maximum Voltage Adjustment Range |
230V-300V |
|
Minimum Voltage Adjustment Range |
120V-210V |
|
Range of Adjustment of the Maximum Current |
5A-63A |
|
Deviation |
2% |
|
Delay Time of Phase Unbalance Fault |
10s |
|
Delay Time of Overcurrent Fault |
5s-600s |
|
Delay Time of Closing |
5s-600s |
|
Delay Time of Overvoltage Fault |
0s-10s |
|
Delay Time of Undervoltage Fault |
0s-10s |
|
Lag Voltage of Overvoltage and Undervoltage |
0V-15V |
|
Voltmeter Accuracy |
1% |
|
Rated Insulation Voltage |
450V |
|
Output Contact |
3NO |
|
Protection |
IP20 |
|
Pollution |
3 |
|
Electrical Life |
1000000 times |
|
Mechanical Life |
1000000 times |
|
Altitude |
≤2000m |
|
Operating Temperature |
-5°C ~ +50°C |
|
Relative Humidity |
50% at 40°C (non-condensation) |
|
Storage Temperature |
-40°C ~ +55°C |
|
Installation |
35mm DIN rail |
Diagram

Why Choose CNC Electric Three Phase VA Protection Device
The CNC 3-Phase VA Protection Device will be very useful for everyone trying to protect their electrical systems from the negative effects of voltage variations. Its real-time monitoring tools, flexible settings, and dependable protection help to ensure that your equipment runs fault-free, safely, and effectively.
Regardless of your company type—industrial, commercial, or residential—this gadget offers the peace of mind you need to safeguard your investments and cut energy expenses.
See the complete CNC protection range including solar bundles and DC breakers at cncelectric.pk
