2CDS273445R0605 ABB S203MT-B60 MCB 10kA 3P Type B 60A

Why Choose the ABB S203MT-B60 Miniature Circuit Breaker?

The ABB S203MT-B60 is a robust three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding electrical installations. As part of the specialised ABB S200 MT series, it is suited to industrial, DC and traction-related applications requiring dependable circuit protection in a compact modular format.

This miniature circuit breaker combines a 60 A rated current, B tripping characteristic and 10 kA short-circuit breaking capacity. The B characteristic provides responsive magnetic protection for circuits with relatively low inrush currents, making the S203MT-B60 suitable for distribution and equipment circuits where substantial starting currents are not normally expected.

With its three-pole configuration, the S203MT-B60 provides coordinated protection across three conductors and is designed for straightforward integration into distribution boards, control panels and industrial switchgear. ABB order code 2CDS273445R0605 uniquely identifies this 60 A B-characteristic version of the S203MT range.

Key Advantages

• Reliable overload and short-circuit protection for demanding electrical circuits.
• 60 A rated current suitable for higher-current distribution and equipment circuits.
• Three-pole configuration for coordinated multi-pole circuit protection.
• B tripping characteristic suited to loads with relatively low starting and inrush currents.
• 10 kA breaking capacity provides robust interruption of short-circuit currents.
• Designed for specialised industrial, DC and traction-related applications.
• Compact modular construction simplifies integration into electrical panels and switchgear.

Key Features

• ABB S200 MT series miniature circuit breaker.
• 60 A rated current.
• 3-pole (3P) configuration.
• B characteristic tripping curve.
• 10 kA short-circuit breaking capacity.
• Thermal-magnetic protection against overload and short-circuit conditions.
• Suitable for circuits with relatively low transient inrush currents.
• Compact modular construction for electrical distribution equipment.
• DIN-rail mounting for straightforward panel installation.
• ABB order code 2CDS273445R0605.

Reliable Circuit Protection for Industrial Electrical Systems

Miniature circuit breakers such as the ABB S203MT-B60 protect electrical wiring and connected equipment by automatically interrupting the circuit when excessive current occurs. Thermal operation responds to sustained overload conditions, while magnetic operation provides rapid disconnection during short-circuit faults, helping protect conductors and equipment against potentially damaging currents.

The B characteristic is intended for circuits where relatively low inrush currents are expected during normal operation. This makes the S203MT-B60 a practical choice for suitable distribution and equipment loads, while its three-pole construction provides coordinated protection for multi-conductor circuits in industrial and specialised electrical installations.

Typical Applications

• Industrial electrical distribution systems.
• DC and traction-related electrical installations.
• Three-pole equipment supply circuits.
• Industrial distribution boards.
• Control panels and electrical switchboards.
• Machinery electrical distribution systems.
• Circuits with relatively low starting and inrush currents.