Giá: Liên hệ
The Earth Fault Relay MH EF 18D is designed to monitor power system and provides a relay operation in the event of an earth fault situation. The MH EF 18D relay incorporates the MTB fault indication system in advanced protection relaying for system abnormalities. This eliminates the need of an auxiliary supply to provide a fault indication, ensuring enhanced safety.
Mechanical Trip Button (MTB):
FEATURES:
MTB:
TECHNICAL DATA:
Power supply voltage
Earth fault setting
Delay time setting
Power consumption
Output relay contacts
Display type
LED status indicator
Operating temperature
Trip Event recording
Operating humidity
Communication
Password access PIN
Housing material
Protection class
Unit weight
COMPLIANCE WITH STANDARDS:
ANSI 86 Lockout Relay |
MTB Fault Indication System |
IEC 60255-27 |
Product Safety |
IEC 61000-4-2,3,4,5,6,8, 11 (IEC 60255-26) |
Electromagnetic Compatibility |
IEC 60255-21-1 |
Vibration, Shock and Bump Test |
IEC 60255-21-2 |
Vibration, Shock and Bump Test |
IEC 60068-2-2 (IEC 60255-1) IEC 60068-2-78 (IEC 60255-1) IEC 60068-2-30 (IEC 60255-1) |
Dry Heat, Damp Heat, Steady State, Cyclic Temperature with Humidity Test |
Model |
Description |
EF 18D |
Digital Earth Fault Relay |