ABB S303 MCB, 3P, 32A Curve D, 415V AC, 125V DC, 15 kA Breaking Capacity

This miniature circuit breaker (MCB) is designed to provide efficient protection in electrical installations. It features a 3-pole configuration and a current rating of 32A, making it suitable for a range of applications. With dimensions of 69mm in length, 52.5mm in width, and a depth of 69mm, this compact circuit breaker is easily mountable on a DIN rail. The MCB’s Type D tripping characteristics enhance safety by effectively handling overload and short-circuit conditions at a rated AC voltage of 415V.

• Supports a breaking capacity of 15kA to handle fault events
• Designed for easy installation with DIN rail mounting
• Screw terminals ensure secure electrical connections
• Compliant with multiple international safety standards
• Durable design for enhanced longevity and performance
• Lightweight construction minimises installation burden

• Used for protecting electrical installations in commercial settings
• Ideal for industrial machinery and equipment protection
• Suitable for residential electrical distribution boards
• Utilised in automated systems requiring overload protection

This device is suitable for commercial, industrial, and residential installations, providing reliable protection against overloads and short circuits.

It features Type D tripping characteristics, allowing it to tolerate higher inrush currents while ensuring disconnection during sustained overloads.

The 15kA breaking capacity means it can safely interrupt fault currents up to this value, significantly reducing the risk of damage to both the circuit and connected devices.

Yes, it can be mounted in any position to suit installation requirements, maintaining its effectiveness and safety features.