2CCS571001R0597 ABB S401M-K63 Miniature Circuit Breaker 63 A Type K 1P

2CCS571001R0597 ABB S401M-K63 Miniature Circuit Breaker 63 A Type K 1P

ABB S401M-K63 is a 63 A single-pole Type K miniature circuit breaker for the SMISSLINE plug-in system, providing overload and short-circuit protection with a 10 kA rated breaking capacity.

SKU: 2CCS571001R0597Alt SKU: S401MK63MPN: 2CCS571001R0597
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Why Choose the ABB S401M-K63 Miniature Circuit Breaker?

The ABB S401M-K63 is a high-performance single-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit conditions. As part of the ABB SMISSLINE plug-in system, it combines dependable circuit protection with a compact modular format for professional industrial and commercial power distribution.

Featuring a 63 A rated current and Type K tripping characteristic, the S401M-K63 is particularly suited to circuits supplying motors, transformers and other inductive equipment with elevated starting currents. Its plug-in construction simplifies installation, replacement and expansion within compatible ABB SMISSLINE distribution assemblies.

The S401M-K63 provides a 10 kA rated short-circuit breaking capacity according to EN 60898-1 and an ultimate short-circuit breaking capacity of 15 kA according to IEC/EN 60947-2. With a rated voltage of 240 V AC, compact one-module width and IP20 protection, it is engineered for reliable circuit protection in demanding electrical installations.

Key Advantages

  • Compact single-pole miniature circuit breaker for overload and short-circuit protection.
  • 63 A rated current for higher-current distribution circuits.
  • Type K tripping characteristic suitable for loads with elevated starting currents.
  • 10 kA rated short-circuit breaking capacity according to EN 60898-1.
  • Ultimate short-circuit breaking capacity of 15 kA according to IEC/EN 60947-2.
  • Plug-in construction for straightforward integration with the ABB SMISSLINE system.

Key Features

  • ABB S400 M-K / SMISSLINE series.
  • 63 A rated current.
  • Type K tripping characteristic.
  • 1-pole protected configuration.
  • 240 V AC rated voltage.
  • 440 V rated insulation voltage.
  • 4 kV rated impulse withstand voltage.
  • 50–60 Hz operating frequency.
  • IP20 degree of protection.
  • Compact one-module plug-in construction.

Reliable Circuit Protection for SMISSLINE Systems

Miniature circuit breakers such as the ABB S401M-K63 automatically interrupt the electrical supply when excessive current is caused by an overload or short circuit. This helps protect cables, connected equipment and electrical installations against potentially damaging fault currents.

The ABB SMISSLINE system uses a modular plug-in distribution architecture designed to simplify installation and replacement of protective devices. Combined with its Type K characteristic, the S401M-K63 provides effective protection for circuits supplying motors, transformers and other equipment that can experience elevated starting currents during normal operation.

Typical Applications

  • Industrial electrical distribution systems.
  • SMISSLINE distribution boards and assemblies.
  • Machine control and automation panels.
  • Industrial motor circuits.
  • Transformers and inductive electrical loads.
  • Commercial and industrial power distribution.

Technical Specifications

Series S400 M-K / SMISSLINE Plug-in System
ABB order code 2CCS571001R0597
Product type Miniature circuit breaker (MCB)
Number of poles 1
Number of protected poles 1
Rated current 63 A
Tripping characteristic Type K
Rated voltage 240 V AC
Rated insulation voltage (Ui) 440 V
Rated impulse withstand voltage (Uimp) 4 kV
Rated short-circuit breaking capacity (Icn) 10 kA
Ultimate short-circuit breaking capacity (Icu) 15 kA
Frequency 50 / 60 Hz
Protection rating IP20
Operating temperature -25 to +60 °C
Mounting system SMISSLINE plug-in system
Width 1 module / 18 mm
Dimensions (W × H × D) approx. 18 × 91 × 75 mm
Weight approx. 110 g
Standards IEC/EN 60898-1, IEC/EN 60947-2

Frequently Asked Questions

What is the ABB S401M-K63 used for?

The S401M-K63 is a single-pole miniature circuit breaker used to protect electrical circuits against overload and short-circuit currents within ABB SMISSLINE distribution systems.

What is the current rating of the S401M-K63?

The ABB S401M-K63 has a rated current of 63 A.

What tripping characteristic does this MCB use?

The S401M-K63 uses a Type K tripping characteristic, making it particularly suitable for circuits supplying motors, transformers and other loads with elevated starting currents.

What is the breaking capacity of the ABB S401M-K63?

The S401M-K63 provides a 10 kA rated short-circuit breaking capacity according to EN 60898-1 and an ultimate short-circuit breaking capacity of 15 kA according to IEC/EN 60947-2.

How is the S401M-K63 installed?

The S401M-K63 uses a plug-in design for integration with the ABB SMISSLINE distribution system, supporting efficient installation, replacement and expansion of protective devices.

Trusted ABB Circuit Protection

ABB SMISSLINE miniature circuit breakers provide dependable overload and short-circuit protection while their modular plug-in architecture supports efficient installation, maintenance and expansion of professional electrical distribution systems.