nader NDW3 Series Manual page 136

Note:
1. The dotted line part represents the wire connected by the user, that is, in general, the user is required only to connect the N,
A, B and C wires of common power supply and standby power supply to the switching device. The indicator lamps for fault,
closing and energy storage in this wiring diagram are the indicator lamps on the Automatic Transfer Switches panel of power
supply, and the fuse is inside the device.
2. For Controller, F, B, M rated voltage shall be AC230V.
3. Q cannot be chosen for electrical accessory (undervoltage release).
4. Contact capacity: power generation control-AC250V6A; unloading instruction, alarm signal-AC250V5A.
5. With the 5V power supply, the fire control port can be short-connected.
6. For other wiring modes, see the electrical wiring diagram example of the circuit breaker.
QN - Commonly used power supply universal type low-voltage circuit breaker
QR - Standby power supply universal type low-voltage circuit breaker
XT - Secondary terminal
SA - Motor travel switch
B - Closed electromagnet
Internal & confidential file
File No.:NDT2920202
第 136 页 共 149 页
M - Energy-storage motor
F - Shunt tripper
Q - Undervoltage tripper.
File Version:4