EFR : Relay bảo vệ chạm đất sử dụng PCT Samwha

EFR : Relay bảo vệ chạm đất sử dụng với biến dòng bảo vệ (PCT) Samwha (Bây giờ là Schneider Electric) hoặc của các hãng khác.

Current Setting

0.1~2.5A(0.1, 0.3, 0.5, 0.7, 1.0, 1.3, 1.5, 1.7, 2.0 and 2.5A Tap)

Time Setting

0.2~2.0sec(0.2, 0.4, 0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8 and 2.0sec Tap)

Operating Characteristic

Definite Time

Current Sensing

Residual Current Detection

Control Voltage

240VAC ±10%

Frequncy

50/60Hz

Current Tolerance

±5%

Time Tolerance

±5%

Output Contact

5A/250VAC Resistive

1-SPDT/Normally De-energized

Rated Insulation Voltage

600VAC, 50/60Hz

Expected Mechanical Life

10,000,000 Operation

Expected Electrical Life

100,000 Operation

Ambient Temperature

-20 ~ 60 ℃

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Ambient Humidity

10~85% without Condensation

Dielectric Strength

Casing-Circuit

2kV, 50/60Hz, 1min

Contact-Contact

1kV, 50/60Hz, 1min

Circuit-Circuit

2kV, 50/60Hz, 1min

Electrostatic Discharge

IEC61000-4-2 Level-3

EFT/Burst

IEC61000-4-4 Level-3

Surge

IEC61000-4-5 Level-3

Voltage Dip & Interruption

IEC61000-4-11

Mounting

Flush Mount(Panel Door Mount)