2CCS861001R0205 ABB S801S-B20 MCB 50 kA 1P Type B 20 A

Why Choose the ABB S801S-B20 High-Performance MCB?

The ABB S801S-B20 is a high-performance single-pole miniature circuit breaker (MCB) from ABB’s S800 circuit protection family. Designed for demanding electrical installations, it combines a 20 A rated current, Type B tripping characteristic and high 50 kA short-circuit breaking capacity.

The Type B characteristic makes the S801S-B20 particularly suitable for circuits with relatively low normal inrush currents. It provides responsive overcurrent protection for appropriate resistive and general electrical loads while maintaining the high fault-interruption capability required in demanding distribution environments.

With ABB order code 2CCS861001R0205, the S801S-B20 provides dependable overload and short-circuit protection for professional industrial and commercial electrical systems. Its combination of a 20 A rating and 50 kA breaking capacity makes it suitable for single-pole circuits where high prospective short-circuit currents may be present.

Key Advantages

• High-performance single-pole miniature circuit breaker.
• High 50 kA short-circuit breaking capacity.
• 20 A rated current.
• Type B tripping characteristic for circuits with relatively low inrush currents.
• Provides overload and short-circuit protection.
• Suitable for demanding industrial and commercial distribution systems.
• Genuine ABB device with order code 2CCS861001R0205.

Key Features

• ABB S800 high-performance circuit protection family.
• S801S-B20 model designation.
• Single-pole configuration.
• 20 A rated current.
• Type B overcurrent tripping characteristic.
• 50 kA short-circuit breaking capacity.
• Overload protection for protected electrical circuits.
• Short-circuit protection for demanding distribution systems.
• Suitable for circuits with relatively low normal starting and inrush currents.

Type B Protection for Low-Inrush Electrical Loads

The ABB S801S-B20 combines overload protection with high-performance short-circuit interruption. Its Type B characteristic is suited to appropriate circuits where normal starting currents are relatively low, providing a sensitive response to overcurrent conditions while supporting reliable everyday circuit protection.

With a 20 A rated current and 50 kA short-circuit breaking capacity, the S801S-B20 provides a robust solution for demanding single-pole distribution circuits requiring Type B protection and high fault-current interruption capability.

Typical Applications

• Industrial electrical distribution systems.
• Commercial electrical installations.
• Control and automation circuits.
• Resistive and general electrical loads.
• Circuits with relatively low normal inrush currents.
• Electrical distribution and control panels.
• Single-pole circuits with high prospective short-circuit currents.