SKU: 2CDS381001R0408Alt SKU: S301P-Z8MPN: 2CDS381001R0408
2CDS381001R0408 ABB S301P-Z8 Miniature Circuit Breaker - 1P - Z - 8 A

2CDS381001R0408 ABB S301P-Z8 Miniature Circuit Breaker – 1P – Z – 8 A

ABB S301P-Z8 single-pole miniature circuit breaker with an 8 A rated current, Z tripping characteristic and 25 kA breaking capacity for sensitive industrial electrical circuits.

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Why Choose the ABB S301P-Z8 Miniature Circuit Breaker?

The ABB S301P-Z8 (2CDS381001R0408) is a high-performance single-pole miniature circuit breaker (MCB) designed to protect industrial electrical circuits against overloads and short circuits. As part of the dependable ABB S300P series, it combines precise protection, high breaking capacity and compact dimensions for demanding control and distribution applications.

Featuring a Z tripping characteristic, the S301P-Z8 provides rapid magnetic tripping at comparatively low fault-current levels. This makes it particularly suitable for protecting sensitive electronic equipment, semiconductor devices, instrumentation and control circuits where fast disconnection can help prevent equipment damage.

With an 8 A rated current, a single-pole configuration and compatibility with standard DIN rail mounting, this miniature circuit breaker is ideal for industrial control panels, automation systems and OEM machinery. Its compact 17.5 mm width helps conserve valuable enclosure space while allowing straightforward installation.

Key Advantages

  • Compact single-pole miniature circuit breaker for industrial applications.
  • 8 A rated current with a sensitive Z tripping characteristic.
  • Provides reliable overload and short-circuit protection.
  • Well suited to sensitive electronic, instrumentation and control circuits.
  • 25 kA breaking capacity for demanding electrical installations.
  • DIN rail mounting enables quick panel installation and replacement.

Key Features

  • ABB System pro M compact S300P series.
  • 8 A rated current.
  • Z tripping characteristic.
  • Single-pole (1P) configuration.
  • 240 V AC rated voltage.
  • 72 V DC rated voltage.
  • 25 kA short-circuit breaking capacity.
  • Thermal overload and magnetic short-circuit protection.
  • Compact DIN rail-mounted construction.
  • Screw terminals with fail-safe connection design.

Fast Protection for Sensitive Electrical Circuits

Miniature circuit breakers automatically disconnect electrical circuits when an overload or short circuit occurs. This helps protect cables, control equipment and connected devices from excessive current while allowing the circuit breaker to be reset after the underlying fault has been corrected.

The Z tripping characteristic is intended for circuits that require especially sensitive short-circuit protection. It is commonly selected for electronic components, instrumentation and control equipment with low permissible fault currents and minimal start-up surges.

Typical Applications

  • Industrial control panels.
  • PLC and automation systems.
  • Electronic and semiconductor equipment.
  • Measurement and instrumentation circuits.
  • OEM machinery and production equipment.
  • Commercial and industrial distribution systems.

Technical Specifications

Current 8 A
Phase Single Phase
Manufacturer ABB
Series System pro M compact S300P
Model S301P-Z8
SKU 2CDS381001R0408
EAN 4016779080163
Product type Miniature circuit breaker (MCB)
Rated current 8 A
Tripping characteristic Z
Number of poles 1P
Rated AC voltage 240 V AC
Rated DC voltage 72 V DC
Frequency 50 / 60 Hz
Breaking capacity 25 kA
Protection rating IP20, IP40 when installed in a suitable enclosure
Terminal type Screw
Mounting type DIN rail
Dimensions (H × W × D) Approx. 88 × 17.5 × 69 mm
Country of origin Germany
HS Code 85362010
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB S301P-Z8 used for?

The S301P-Z8 protects electrical circuits against overloads and short circuits, particularly sensitive electronic, instrumentation and control circuits.

What is the rated current of this circuit breaker?

The ABB S301P-Z8 has an 8 A rated current.

What does the Z tripping characteristic mean?

The Z characteristic provides rapid magnetic tripping at relatively low fault-current levels, making it suitable for protecting sensitive electronic devices and control equipment.

What is the breaking capacity of the S301P-Z8?

The circuit breaker has a short-circuit breaking capacity of up to 25 kA.

How is the ABB S301P-Z8 installed?

The circuit breaker mounts onto a standard DIN rail inside an electrical distribution board, control panel or machinery enclosure.

Trusted by Electrical Professionals Worldwide

ABB S300P miniature circuit breakers are widely specified by electrical engineers, panel builders and OEM manufacturers for precise circuit protection, compact installation and dependable performance in industrial systems.

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