ZHEJIANG HUAYANG ELECTRIC CO., LTD.
EVR Electronic Voltage Protection Relay

EVR Electronic Voltage Protection Relay

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The sole purpose of constructing our offered EVR Electronic Voltage Protection Relay is to protect the equipment and components from the damage caused by the voltage fluctuations and other conditions. This relay helps in rendering protection against the phase reversal, asymmetry and loss. It also indicates by glowing an LED during the occurrence of the faults to ensure better safety.

Features:

  • Compact Design
  • Multiple Protection Function
  • 24 Hours Trip Cause Memory
  • Trip Indication and Troubleshooting → Ascertain Button
  • Manual / Electrical Reset
  • Ambient Insensitive

Protection:

Protective Item

Trip Time

Over-voltage

OVR-TIME

Under-voltage

UVR-TIME

Phase Loss

0.5 sec

Phase Reversal

0.5 sec

Specification:

Related Voltage

EVR - 220

EVR - 380

EVR - 415

220V

380V

415V

Voltage Setting

OVR-VOLT

220 - 300V

380 - 460V

415 - 500V

UVR-VOLT

160 - 220V

300 - 380V

340 - 415V

Trip Time Setting

OVR-TIME

0.5 – 2 sec

UVR-TIME

1 – 5 sec

Phase Loss Trip Time

Within 0.5 sec

Phase Reversal Trip Time

With 0.5 sec(after Supply Power )

Time-current Characteristic

Definite

Output Relay

1-SPDT(1C), 5A/250VAC Resistive

Reset

M

Manual Reset

A

Automatic Reset (Reset Time = 5 sec)

Test

Trip in 1 sec (after Pushing TEST Button)

ASCERSTAIN SW (Trip Cause Indication)

Trip Cause is memorized for 24 hours and Trip Cause will be indicated via LED by pushing Ascertain S/W.

Allowable Tolerance

Voltage

±5%

Time

±15%