2CCF019890R0001 ABB S803S-B1 1 A 3-Pole Type B MCB 50 kA

Why Choose the ABB S803S-B1 High Performance MCB?

The ABB S803S-B1 is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding electrical installations. As part of the ABB S800S high-performance circuit breaker series, it combines robust construction with high fault-current interruption capability for industrial, commercial and electrical distribution applications.

This current-limiting circuit breaker features a Type B tripping characteristic, making it suitable for circuits with relatively low inrush currents. Its three-pole configuration enables coordinated switching and protection across three conductors, making it particularly useful for three-phase distribution, control and equipment circuits requiring dependable high-performance protection.

With a rated current of 1 A, a three-pole configuration and a 50 kA short-circuit breaking capacity, the S803S-B1 provides high-performance protection for low-current circuits where substantial prospective fault currents may occur. ABB order code 2CCF019890R0001 identifies this 1 A, three-pole Type B version of the S800S range.

Key Advantages

• High-performance miniature circuit breaker for overload and short-circuit protection.
• 1 A rated current for low-current electrical circuits.
• 50 kA short-circuit breaking capacity for demanding installations.
• Type B tripping characteristic for circuits with relatively low inrush currents.
• Three-pole configuration for coordinated protection of three-phase circuits.
• Part of ABB's established S800S high-performance circuit breaker range.

Key Features

• ABB S800S high-performance MCB series.
• 1 A rated current.
• 3-pole design.
• Type B tripping characteristic.
• 50 kA short-circuit breaking capacity.
• Thermal tripping for dependable overload protection.
• Electromagnetic tripping for rapid short-circuit protection.
• Designed for demanding three-phase electrical distribution and control systems.

Reliable High-Performance Circuit Protection

Miniature circuit breakers automatically interrupt electrical current when an overload or short circuit occurs, helping protect conductors and connected equipment against damaging fault conditions. ABB's S800S range is engineered for demanding installations where high short-circuit interruption performance and dependable current limitation are required.

The S803S-B1 combines a 1 A current rating with a Type B characteristic and three-pole construction. This configuration makes it suitable for low-current three-phase circuits requiring coordinated switching and protection, while its high breaking capacity supports installations where significant prospective short-circuit currents may be present.

Typical Applications

• Three-phase industrial control and automation circuits.
• Low-current three-phase electrical circuits.
• Instrumentation and monitoring equipment.
• Commercial and industrial electrical distribution systems.
• Industrial switchboards and distribution equipment.
• Electrical control panels and machinery.