ABB High Performance S800S MCB, 3P, 80A Curve D, 400V AC, 250V DC, 50 kA Breaking Capacity

This MCB is a high-performance circuit breaker that combines reliability with efficiency. Designed for use in a variety of electrical systems, it features three poles and an 80A current rating. With a compact profile of 81mm width and 82.5mm length, this model is optimally designed for DIN rail mounting, ensuring ease of installation in electrical panels.

• Type D characteristic ensures proper operation under overload conditions
• High breaking capacity of 50 kA maximises safety and effectiveness
• Operating voltage ratings of 400/690V AC enhance versatility in applications
• Toggle switch reset actuator allows for quick and easy operation
• Screw terminal design enables reliable connections and simple wiring
• Suitable for operating temperatures from -25°C to +60°C ensures broad environmental adaptability

• Used in industrial electrical distribution systems
• Suitable for machinery and automation
• Ideal for commercial electrical installations
• Employed in domestic power distribution panels
• Utilised in environments requiring robust and dependable protection

It features a Type D tripping characteristic, making it suitable for handling high inrush currents, which is crucial for applications like motors or transformers where initial load can cause momentary spikes.

The recommended mounting style is DIN rail, compatible with standard 35mm rails, ensuring straightforward installation and secure fit within control panels.

With an IP20 rating, it is protected against solid objects greater than 12.5mm, making it safe for use in indoor environments where direct contact with live parts is minimised.

It can connect flexible cables sized 0...50 mm² and rigid cables sized 0...70 mm², providing flexibility in cable selection based on installation needs.

This level of breaking capacity indicates that the device can safely interrupt potential short-circuits, protecting both the circuitry and equipment from significant damage during fault conditions.