Why Choose the Chint XF9J Alarm Auxiliary Contact?
The Chint XF9J is a compact and dependable alarm auxiliary contact accessory designed to provide remote indication when a compatible Chint miniature circuit breaker (MCB) or RCBO trips due to an overload or short-circuit fault. Unlike a standard auxiliary contact, the XF9J is specifically intended to signal automatic fault trips, allowing rapid fault identification and improved system monitoring.
Designed for use with compatible Chint NB1, NBH8, NB1L and NBH8LE series protective devices, the XF9J mounts directly to the left-hand side of the breaker using a dedicated pin connection. Its 1 normally open and 1 normally closed contact configuration allows simple integration into alarm, monitoring and building management systems.
With a rated insulation voltage of 500 V, IP20 protection and reliable electrical performance, the XF9J is suitable for residential, commercial and industrial electrical installations where automatic fault indication is required for enhanced maintenance and operational safety.
Key Advantages
- Compact alarm auxiliary contact for Chint MCBs and RCBOs.
- Provides remote indication after automatic overload or short-circuit trips.
- 1 N/O + 1 N/C contact configuration for flexible alarm circuits.
- Compatible with selected NB1, NBH8, NB1L and NBH8LE series devices.
- Suitable for building management, monitoring and alarm systems.
- Simple left-side installation with dedicated pin connection.
Key Features
- Chint XF9J alarm auxiliary contact accessory.
- Indicates breaker trip following automatic fault operation.
- 1 normally open and 1 normally closed contact.
- Rated insulation voltage: 500 V.
- Rated impulse withstand voltage: 4 kV.
- Compatible with NB1, NBH8, NB1L and NBH8LE protective devices.
- Compact DIN rail accessory for professional panel installation.
- Manufactured in accordance with IEC/EN 60947-5-1.
Reliable Fault Indication for Electrical Distribution
The Chint XF9J is designed specifically to provide alarm indication after a protective device trips automatically due to an overload or short circuit. This allows operators, maintenance engineers and building management systems to distinguish genuine fault conditions from normal manual switching operations, improving troubleshooting and reducing downtime.
Its compact design, dependable switching performance and simple installation make the XF9J an ideal accessory for modern distribution boards, switchboards and industrial control panels where remote fault signalling is required.
Typical Applications
- Remote fault indication for MCBs and RCBOs.
- Building management systems.
- Industrial control panels.
- Electrical distribution boards.
- Alarm and monitoring systems.
- Commercial and industrial switchboards.
