ABB Tmax XT1B Miniature Circuit Breaker, 3-Pole, 125A, 690V ac AC, 500 V dc DC, 18 kA Breaking Capacity

This moulded case circuit breaker (MCB) is designed for reliable performance in various electrical systems. Specifically, it features a current rating of 125A and operates effectively across both AC and DC applications, accommodating voltages up to 690V for AC and 500V for DC. With a robust thermal-magnetic tripping mechanism, it ensures effective protection against overloads and short circuits.

• Thermal magnetic mechanism provides dual protection against faults
• High breaking capacity of 18 kA ensures effective circuit interruption
• Designed for three pole configurations to accommodate complex circuits
• Bolt Terminal connection type offers secure and reliable connections
• Compact dimensions facilitate easy installation in narrow spaces

• Used for electrical safety in industrial automation systems
• Integrates seamlessly within electrical distribution networks
• Essential for protecting machinery and equipment from overload
• Suitable for motor control in heavy industries

The product is rated for a mechanical durability of 25,000 cycles and electrical durability of 8,000 cycles at 240 cycles per hour, ensuring long-term reliability for continuous use.

The thermal-magnetic mechanism combines thermal and magnetic tripping actions. It trips the circuit during overload conditions using the thermal element and responds instantaneously to short circuits through the magnetic component.

It features bolt Terminal connections, providing secure and stable electrical connections suitable for a wide range of applications, ensuring dependable power distribution.