

What is the function of the AX-X1 Auxiliary Contact?
It provides a remote electrical signal that reflects the ON/OFF status of the connected circuit breaker, improving system monitoring and fault indication.
Which circuit breakers are compatible with AX-X1?
The AX-X1 is compatible with CHINT NXB-63 and NXB-40 miniature circuit breakers and installs directly onto their left side.
How does the contact operate?
When the breaker closes, terminals 11–14 connect; when it opens, 11–12 connect, providing clear ON/OFF signaling feedback.
How is the AX-X1 installed?
Remove the left cover of the breaker, connect the AX-X1, and mount the entire unit on a TH35-7.5 DIN steel rail.
What is the expected lifespan of AX-X1?
It supports over 10,000 operation cycles, ensuring reliable, long-term performance in control and monitoring applications.