HUW1
Series Intelligent Universal Circuit Breaker
3
4.2
Working state of the circuit breaker
4.2.1
Working state of the intelligent controller
Normal condition of the
intelligent controller
When the intelligent controller is in the protection state, the
circuit breaker is open. After clearing the line fault, press this
button to close the circuit breaker.
4.2.2
Working state of the operating mechanism
Circuit breaker
being open
without stored
energy
Circuit breaker
being open with
stored energy
Circuit breaker being
closed without stored
energy
Circuit breaker
being closed with
stored energy
4.2.3
Working state of the drawer seat (only available for the drawer mode circuit breaker)
Reset
Reset
Release
energy
Store
energy
Release
energy
Store
energy
Three-position lock of the drawer seat
Lock the main body of the circuit breaker in three positions, namely
"Disconnection", "Test" and "Connection" of the drawer seat.
Three-position indicator of the
drawer seat
Indicate the main body of the circuit
breaker in three positions, namely
"Disconnection", "Test" and
"Connection" of the drawer seat.
In the three positions of "Disconnection",
"Test" and "Connection", the position lock is
locked and the crank cannot be operated (in
the unlocked state)
After the position lock is locked, press the
position lock button to unlock (in the locked
state) if the user needs to operate the crack
again.
In the "Disconnection" position,
both the main circuit and the
secondary circuit are
disconnected
In the "Test" position, the main
circuit is disconnected and the
secondary circuit is connected
In the "Connection" position,
both the main circuit and the
secondary circuit are
connected
