EVR-FD : Relay bảo vệ quá áp, thiếu áp, mất pha, đảo pha, mất cân áp pha của

EVR-FD (Samwha full voltage and phase relay) : Relay bảo vệ quá áp, thiếu áp, mất pha, đảo pha, mất cân áp pha của Samwha (Bây giờ là Schneider Electric)

EVR-FD (Electronic Voltage Relay) : Relay bảo vệ quá áp, thiếu áp, mất pha, đảo pha, mất cân áp pha của Samwha

  • MCU&ASIC Based Compact Design
  • Multiple Protection Functions
  • Wide Voltage Adjustment Range
  • Digital Volt Meter and Digital Setting
  • Trip Cause Display & Troubleshooting
  • Manual/Electrical/Automatic Reset
  • Adjustable Reset Timer
  • Ambient Insensitive
  • Flush Mounting type

Protection

 

Protective Item

Trip Time

Over-voltage

0.5~10 sec

Under-voltage

0.5~10 sec

Phase Loss

2 sec

Phase Reversal

0.1 sec

Phase Unbalance

3sec(If over 5%)

 

Specification

Voltage Setting
Range

Type

Over-voltage(O-VOLT)

Under-voltage(U-VOLT)

110

110-150V

80-120V

220

220-300V

160-240V

440

380-500V

300-440V

Trip Time Setting

O-TIME

0.5 ~ 10 sec

U-TIME

0.5 ~ 10 sec

Control Voltage

220

85~250VAC/DC

Others

24,48VAC/DC(Optional Order)

Output Relay

Mode

1-SPDT(1C)

Rating

3A/250VAC Resistive

Status

Normally Energized

Reset

SW3=AUTO

Reset Time:1 or 5sec(DIP-SW4)

SW3=MAN

RESET Button

Mounting

PD

DCU

Flush

PCU

35mm DIN-Rail / Panel