Protect your industrial equipment from hazards with this auxiliary contact from ABB. You can connect it to an MCB to signalling for overcurrent and earth faults, which prevents damage to downstream equipment. It also indicates the breaker's contact position, making it a versatile tool. An integrated bell alarm gives clear audio warnings in the event of an error to quickly draw your attention when intervention is needed. The unit's slim 8.8m width makes it a practical choice for setups where space is at a premium.

• Screw termination method is simple and doesn't need complex tools
• 2-contact configuration for multi-circuit control and to reduce the wiring needs of your setup
• Voltage rating of 277V AC and 125V DC for use in low-voltage applications
• Can be daisy-chained with other auxiliary contacts for maximum flexibility

• Process and packaging industry
• Domestic wiring
• Measurement and instrumentation devices

Yes, this auxiliary contact's thermoplastic housing makes it resistant to impact and abrasion, so you can rely on it for long-term performance in harsh environments.

ABB Accessories

These contacts can not be used with type ESB20 installation contactors, only higher types e.g. ESB24