ABB AA1-24 Shunt Trip Release 20-24 V AC for Tmax XT Circuit Breakers

Shunt trip release for ABB SACE Tmax XT1-XT4 moulded case circuit breakers, enabling remote tripping on 20-24 V AC. This internal electromagnetic accessory delivers reliable circuit interruption from a distance, essential for emergency stop and overcurrent protection systems.

Advantages

Fast and dependable remote tripping enhances safety in industrial and commercial installations. The electromagnetic principle ensures consistent performance with a maximum power consumption of only 10 VA. Screw terminals provide secure, straightforward connections, and compliance with IEC/EN 60947-2 guarantees adherence to international low-voltage switchgear standards. Compact design allows direct installation inside the breaker, preserving panel space and simplifying wiring.

Suitable for

• Remote tripping of ABB Tmax XT1-XT4 circuit breakers in distribution panels
• Emergency stop circuits requiring immediate power cutoff
• Overcurrent protection systems with remote control functionality
• Industrial machinery and building management systems

Key specifications

• Product type: Shunt trip release
• Operating voltage: 20-24 V AC
• Rated frequency: 50/60 Hz
• Compatible with: ABB SACE Tmax XT1, XT2, XT3, XT4
• Current type: AC
• Connection: Screw terminals
• Power consumption: 10 VA max
• Standards: IEC/EN 60947-2
• Operating temperature: -25 to +70 °C
• Storage temperature: -40 to +85 °C

Recommendations

For reliable remote tripping in critical circuits, pair the AA1-24 with ABB Tmax XT breakers and ensure proper voltage matching. Ideal for integration into emergency stop systems and remote monitoring setups.