SKU: 2CDS381001R0407Alt SKU: S301P-K8MPN: 2CDS381001R0407
2CDS381001R0407 ABB S301P-K8 Miniature Circuit Breaker - 1P - K - 8 A

2CDS381001R0407 ABB S301P-K8 Miniature Circuit Breaker – 1P – K – 8 A

ABB S301P-K8 single-pole miniature circuit breaker with an 8 A rated current, K tripping characteristic and 25 kA breaking capacity for industrial circuit protection.

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Why Choose the ABB S301P-K8 Miniature Circuit Breaker?

The ABB S301P-K8 (2CDS381001R0407) is a high-performance single-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial electrical installations. As part of the proven ABB S300P series, it offers exceptional breaking capacity and reliable operation for machinery, control panels and industrial power distribution systems.

Featuring a K tripping characteristic, the S301P-K8 is specifically designed for circuits supplying motors, transformers, solenoids and other inductive loads with higher inrush currents. Its robust thermal and magnetic trip mechanisms deliver dependable protection while minimising nuisance tripping during equipment start-up.

With a rated current of 8 A, single-pole configuration and DIN rail mounting, this miniature circuit breaker is ideal for industrial control panels, automation equipment, OEM machinery and commercial electrical installations requiring reliable circuit protection.

Key Advantages

  • Compact single-pole miniature circuit breaker for industrial installations.
  • 8 A rated current with K tripping characteristic.
  • Designed for protecting motors, transformers and inductive loads.
  • Reliable overload and short-circuit protection.
  • 25 kA breaking capacity for demanding industrial applications.
  • Quick DIN rail mounting simplifies installation and maintenance.

Key Features

  • ABB S300P miniature circuit breaker series.
  • 8 A rated current.
  • K tripping characteristic.
  • Single-pole (1P) configuration.
  • Rated operational voltage up to 240 V AC.
  • 25 kA ultimate short-circuit breaking capacity.
  • Thermal overload and magnetic short-circuit protection.
  • DIN rail mounting.
  • IP20 protection rating at terminals.
  • Integrated trip indicator and fail-safe screw terminals.

Reliable Protection for Industrial Electrical Systems

Miniature circuit breakers automatically disconnect electrical circuits when overloads or short circuits occur, helping protect wiring, machinery and connected equipment from electrical damage. Their resettable design enables rapid restoration of service once faults have been resolved.

The K tripping characteristic is ideal for applications with high inrush currents, allowing motors and transformers to start normally while still providing dependable fault protection. This makes the ABB S301P-K8 particularly suitable for industrial automation and machine-building applications.

Typical Applications

  • Industrial control panels.
  • Motor starter circuits.
  • Transformers and inductive loads.
  • OEM machinery.
  • Manufacturing and automation equipment.
  • Industrial power distribution systems.

Technical Specifications

Current 8 A
Phase Single Phase
Manufacturer ABB
Series S300P
Model S301P-K8
SKU 2CDS381001R0407
EAN 4016779080170
Product type Miniature circuit breaker (MCB)
Rated current 8 A
Tripping characteristic K
Number of poles 1P
Rated voltage 240 V AC
Frequency 50 / 60 Hz
Breaking capacity 25 kA
Protection rating IP20
Mounting type DIN rail
Dimensions (H × W × D) 88 × 17.5 × 67.6 mm
Weight Approx. 0.124 kg
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S301P-K8 used for?

The S301P-K8 protects industrial electrical circuits against overloads and short circuits, particularly those supplying motors, transformers and inductive loads.

What is the rated current of this circuit breaker?

This miniature circuit breaker has a rated current of 8 A.

What does the K tripping characteristic provide?

The K characteristic is designed for circuits with higher inrush currents, making it ideal for motors, transformers and other inductive equipment.

How is the S301P-K8 installed?

The circuit breaker is designed for installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.

Where is this miniature circuit breaker commonly used?

It is commonly installed in industrial automation systems, machine-building applications, OEM equipment and electrical distribution panels.

Trusted by Electrical Professionals Worldwide

ABB S300P miniature circuit breakers are trusted by electrical engineers, machine builders and industrial contractors worldwide for delivering reliable circuit protection, outstanding durability and dependable long-term performance.

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