HUW1
Series Intelligent Universal Circuit Breaker
27
Wiring diagram of the secondary circuit of the HUW1-2000 (and above) 2H/3H Intelligent Controller
Main
circuit
Intelligent controller
Undervoltage
release
Shunt
strip
Closed
electromagnet
Electric
operating
mechanism
Auxiliary
switch
Energy
storage
indication
To the incoming
side of circuit
breaker
Drawer-type
three-position
indication
External
transformer
To the main
circuit
See the wiring type of
auxiliary switch
Connectio
n position
indication
Test
position
indication
Disconnection
position
indication
Modbus
protocol
Computer
Switchboard
Concentrator
Others
Protocol
converter
Green
Red
ST power
module
Malfunction
indication
Opening
indication
Closing
indication
A, B, C, N