ABB S304P-C20 MCB - 4P - C Curve - 20A - 25kA

ABB S304P-C20 MCB – 4P – C Curve – 20A – 25kA

ABB S304P-C20 miniature circuit breaker, a 20 A four-pole AC MCB without neutral with C tripping characteristic and 25 kA breaking capacity for electrical circuit protection.

SKU: 2CDS384001R0204Alt SKU: S304PC20MPN: 2CDS384001R0204
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List Price £185.11 ex VAT
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Why Choose the ABB S304P-C20 Miniature Circuit Breaker?

The ABB S304P-C20 is a high-performance miniature circuit breaker from the System pro M compact S300P series, designed to provide dependable overcurrent and short-circuit protection in professional electrical installations. With four poles, no neutral pole, a C tripping characteristic and a rated current of 20 A, it provides reliable protection for a wide range of AC circuits.

With a rated breaking capacity of 25 kA and AC supply compatibility, the S304P-C20 provides robust fault interruption within a compact modular format. Its 4P configuration and DIN-rail mounting support efficient installation in distribution boards, control panels and industrial electrical assemblies.

As part of ABB's System pro M compact S300P range, the S304P-C20 combines high fault-interruption capability with practical modular installation, making it suitable for professional distribution, automation and control applications.

Key Advantages

  • Reliable circuit protection: Provides dependable protection against overload and short-circuit conditions.
  • C tripping characteristic: Provides a versatile tripping response for general-purpose circuit protection applications.
  • 20 A rated current: Suitable for circuits requiring a 20 A rated-current protection device.
  • 25 kA breaking capacity: Provides a high level of fault interruption capability.
  • 4-pole configuration: Provides coordinated protection across four poles without a neutral pole.
  • AC supply: Designed for AC electrical installations.
  • DIN-rail mounting: Enables straightforward integration into modular electrical equipment.
  • S300P series design: Provides a compact solution for professional circuit protection assemblies.

Key Features

  • ABB System pro M compact S300P series miniature circuit breaker
  • Model: S304P-C20
  • 4P configuration (no neutral)
  • C tripping characteristic
  • Rated current: 20 A
  • Rated breaking capacity: 25 kA
  • Supply: AC
  • DIN-rail mounting
  • Manufacturer part number: 2CDS384001R0204

Reliable Circuit Protection for Industrial Systems

The ABB S304P-C20 provides dependable miniature circuit protection for electrical distribution and control systems where a 20 A rating and C tripping characteristic are required. Its 25 kA rated breaking capacity supports reliable interruption of fault currents, while the four-pole configuration provides coordinated protection across the connected circuit without a neutral pole.

Designed for AC applications, the S304P-C20 integrates easily into modular electrical assemblies using DIN-rail mounting. Its compact format is suitable for distribution boards, control panels, automation systems and other installations where reliable high-capacity circuit protection is required.

Typical Applications

  • Industrial electrical distribution
  • Commercial and industrial distribution boards
  • Control panels and automation systems
  • Machine electrical protection
  • AC power and control circuits
  • Electrical equipment requiring 4-pole circuit protection
  • Panel-building and modular protection assemblies

Technical Specifications

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Current 20 A
Poles 4-pole
Phase Three Phase
Device Type MCB
Trip Curve C curve
Breaking Capacity 25 kA
Manufacturer part number 2CDS384001R0204
Product type Miniature circuit breaker
Tripping characteristic C
Rated current 20 A
Mounting DIN rail
Brand ABB
Manufacturer ABB
Series System pro M compact S300P
Model S304P-C20
Order code 2CDS384001R0204
Rated breaking capacity 25 kA
Supply AC

Frequently Asked Questions

What is the ABB S304P-C20?

The ABB S304P-C20 is a 4P miniature circuit breaker from the System pro M compact S300P series, with no neutral pole, a 20 A rated current, C tripping characteristic and 25 kA rated breaking capacity.

What is the rated current of the S304P-C20?

The ABB S304P-C20 has a rated current of 20 A.

What is the breaking capacity of the ABB S304P-C20?

The S304P-C20 has a rated breaking capacity of 25 kA.

What tripping characteristic does the S304P-C20 have?

The ABB S304P-C20 has a C tripping characteristic and is designed for general-purpose circuit protection applications.

How is the ABB S304P-C20 mounted?

The S304P-C20 is designed for DIN-rail mounting, making it suitable for distribution boards, control panels and modular electrical assemblies.

Trusted by Electrical Engineers Worldwide

ABB System pro M compact circuit protection combines dependable electrical protection with practical modular installation, supporting professional distribution, automation and control applications.