SKU: 2CDS381001R0558Alt SKU: S301P-Z40MPN: 2CDS381001R0558
2CDS381001R0558 ABB S301P-Z40 Miniature Circuit Breaker - 1P - Z - 40 A

2CDS381001R0558 ABB S301P-Z40 Miniature Circuit Breaker – 1P – Z – 40 A

ABB 2CDS381001R0558 System pro M Compact S301P miniature circuit breaker featuring a 40 A rating, Type Z tripping characteristic and 25 kA breaking capacity for reliable electrical circuit protection.

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Why Choose the ABB 2CDS381001R0558 Miniature Circuit Breaker?

The ABB 2CDS381001R0558 is a premium miniature circuit breaker (MCB) from the renowned ABB System pro M Compact S301P series. Designed to provide reliable protection against overloads and short circuits, it is ideal for protecting sensitive electrical and electronic circuits in commercial, industrial and specialist installations.

Engineered for exceptional reliability, this single-pole circuit breaker features a Type Z tripping characteristic, making it particularly suitable for circuits with very low inrush currents. Its compact DIN rail mounting design enables quick installation whilst maintaining compatibility with ABB's comprehensive range of accessories for modern electrical distribution systems.

With a 40 A rated current and an impressive 25 kA breaking capacity, the ABB 2CDS381001R0558 delivers dependable circuit protection in demanding environments where high fault interruption capability and accurate tripping performance are required.

Key Advantages

  • Compact miniature circuit breaker for industrial and commercial protection.
  • 40 A current rating for demanding electrical applications.
  • Type Z tripping characteristic for highly sensitive circuit protection.
  • 25 kA breaking capacity for enhanced fault protection.
  • Quick and secure DIN rail installation.
  • Compatible with ABB System pro M Compact accessories.

Key Features

  • ABB System pro M Compact S301P series.
  • Single-pole miniature circuit breaker.
  • 40 A rated current.
  • Type Z tripping characteristic.
  • 415 V AC / 125 V DC rated voltage.
  • 25 kA rated breaking capacity.
  • Reliable thermal and magnetic trip mechanism.
  • Compact DIN rail mounted construction.

Reliable Protection for Sensitive Electrical Circuits

The ABB S301P-Z series protects electrical installations by disconnecting the circuit automatically during overload or short circuit conditions. Its highly sensitive Type Z tripping characteristic makes it particularly suitable for protecting electronic equipment, semiconductor devices and circuits with low inrush currents.

Manufactured to ABB's rigorous quality standards, the S301P range combines excellent fault interruption capability with long service life, helping minimise downtime whilst improving the safety and reliability of electrical installations.

Typical Applications

  • Electronic equipment protection.
  • Industrial control panels.
  • PLC and automation systems.
  • Instrumentation circuits.
  • Commercial electrical distribution boards.
  • OEM machinery and specialist control systems.

Technical Specifications

Current 40 A
Phase Single Phase
Manufacturer ABB
Series System pro M Compact S301P
Model 2CDS381001R0558
Product type Miniature Circuit Breaker (MCB)
Number of poles 1
Rated current 40 A
Tripping characteristic Type Z
Rated AC voltage 415 V AC
Rated DC voltage 125 V DC
Breaking capacity 25 kA
Mounting type DIN rail
Protection rating IP20 (IP40 when installed in an enclosure)
Dimensions (H × W × D) 88 × 17.5 × 69 mm
Weight Approx. 0.124 kg
Standards IEC/EN 60947-2, IEC/EN 60898-1, UL 1077
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB 2CDS381001R0558 used for?

It provides overload and short circuit protection for sensitive electrical and electronic circuits in industrial and commercial installations.

What is the current rating of this MCB?

The ABB 2CDS381001R0558 has a 40 A rated current.

What is a Type Z tripping characteristic?

Type Z miniature circuit breakers are designed for highly sensitive electrical and electronic circuits where very fast tripping is required at relatively low fault currents.

How is this circuit breaker installed?

The device is designed for straightforward installation onto a standard 35 mm DIN rail.

What is the breaking capacity of this MCB?

The ABB 2CDS381001R0558 offers a high 25 kA breaking capacity for dependable protection in demanding installations.

Trusted by Electrical Professionals Worldwide

ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical contractors, panel builders and industrial engineers for their outstanding safety, reliability and long-term performance.

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