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XF9J (Alarm Auxiliary Contact for NB1, NBH8, NB1L, NBH8LE)
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Low Voltage IEC Final Power Distribution XF9J (Alarm Auxiliary Contact for NB1, NBH8, NB1L, NBH8LE)
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XF9J (Alarm Auxiliary Contact for NB1, NBH8, NB1L, NBH8LE)

The XF9J Alarm Auxiliary Contact is a specialized signaling accessory for CHINT NB1, NBH8, NB1L, and NBH8LE series miniature circuit breakers and RCBOs. Designed to indicate the trip status after automatic release due to overload or short-circuit faults, it ensures accurate fault feedback in power protection systems. With a rated insulation voltage of 500V, mechanical life of 10,000 operations, and IP20 protection, the XF9J guarantees reliable monitoring performance in residential, commercial, and industrial installations.

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Product Information

Name
Size
Release time
Operate
XF9J1-ACCESSORIES-(FINAL-POWER-DISTRIBUTION)-Catalog.pdf
280.66KB
2025-12-10
Download
Name
Size
Release time
Operate
2004-XF9J-Accessories (Final Power Distribution)-Manual.pdf
646.28KB
2024-09-22
Download
Name
Size
Release time
Operate
2201-XF9J-Accessories(Final power distribution)-CE Declaration Certificate.pdf
774.31KB
2024-09-22
Download
1903-XF9J-Accessories(Final power distribution)-IRAM Certificate.pdf
619.75KB
2024-09-22
Download
1803-XF9J-Accessories(Final power distribution)-TUV Certificate.pdf
247.54KB
2024-09-22
Download
Name
Size
Release time
Operate
XF9J-Accessories (Final Power Distribution)-Drawing-2D.dwg
266.7KB
2024-12-17
Download
XF9J-Accessories (Final Power Distribution)-Drawing-3D.stp
6.22MB
2024-12-17
Download

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FAQs

 

What is the main function of the XF9J Alarm Auxiliary Contact?

It signals the trip status of an MCB or RCBO after an automatic release caused by an overload or short-circuit fault, ensuring operators are immediately notified of circuit faults.

 

How is the XF9J different from a standard auxiliary contact?

While standard auxiliary contacts indicate breaker ON/OFF status, the XF9J Alarm Auxiliary Contact specifically provides fault or trip indication, making it a key diagnostic component.

 

How is the XF9J installed?

It’s installed on the left side of the compatible MCB or RCBO using a dedicated pin connection, requiring no additional wiring modifications.

 

What environmental conditions can it operate in?

The XF9J operates in temperatures between −5°C and +40°C, with storage tolerance up to +70°C, and maintains IP20 protection against accidental contact.

 

What is its expected lifespan?

The XF9J offers a mechanical life of 10,000 operations and an electrical life of at least 4,000 operations, ensuring durable and reliable performance over years of service.

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