ABB S401M MCB, 1P, 2A Curve C, 254V AC, 12V DC, 25 kA Breaking Capacity

This miniature circuit breaker (MCB) is designed for efficient protection in commercial and industrial settings. The S401M-C2 model features a compact design with dimensions of 18mm in width, 75mm in length, and a depth of 75mm. Its versatile usage includes applications in critical power environments, ensuring safety with an effective breaking capacity of 25 kA.

• Type C MCB offers quick response for short-circuit protection
• Thermal electromechanical tripping mechanism provides overload safety
• Rated current of 2A supports low-voltage applications
• Compliant with IEC/EN standards ensuring safety
• Specifically designed for DIN rail mounting, simplifying installation
• Robust construction ensures longevity in demanding environments

• Utilised for overload and short-circuit protection in commercial settings
• Applicable for industrial systems requiring reliable circuit breakers
• Suitable for critical power needing dependable operation
• Employed within pluggable systems for easy maintenance and upgrades

The rated insulation voltage is 440V, while the rated impulse withstand voltage stands at 4 kV, ensuring robust protection against voltage surges.

The combination of thermal and electromechanical tripping mechanisms provides dual-layered protection, efficiently responding to both overloads and short circuits, thereby safeguarding equipment.

This device operates efficiently within an ambient air temperature range of -25°C to 60°C, making it suitable for diverse environmental conditions.

While primarily designed for commercial and industrial use, it may also be applied in residential settings needing robust circuit protection, if the specifications align with the installation requirements.