| |
|
|
 |
 |
 |
 |
 |
|
- The reason for the breaker tripping is displayed
on the LED and output as an alarm. This facilities
both the quick investigation and quick solution
of the tripping cause.
- The cause of the trip is displayed as either long-delay
(LTD), short delay or instantaneous ( STD/INST ),
or earth-leakage* ( EAL ). * With earth leakage
breakers.
|
 |
 |
- This detects abnormal voltage within the circuit
by using the open-phase relay neutral pole on three-phase,
four wire circuits.
- It protects load-current equipment and performs
circuit breaking when used with shunt trip equipped
breakers.
|
|
|
 |
 |
 |
|
|
