ABB S204M-K20 MCB - 4P - K Curve - 20A - 10/15kA

ABB S204M-K20 MCB – 4P – K Curve – 20A – 10/15kA

The ABB S204M-K20 is a 4-pole 20 A miniature circuit breaker with K tripping characteristic and 10/15 kA rated breaking capacity for AC electrical applications.

SKU: 2CDS274001R0487Alt SKU: S204MK20MPN: 2CDS274001R0487
Price
List Price £193.11 ex VAT
Your Price (ex VAT)
£193.11
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £193.11
Trade pricing is personalised to your account

Manufacturer Lead Time

£193.11

Why Choose the ABB S204M-K20?

The ABB S204M-K20 is a 4-pole miniature circuit breaker from the ABB System pro M compact S200M series, designed to provide dependable circuit protection for suitable AC electrical installations. With a K tripping characteristic, a rated current of 20 A and a rated breaking capacity of 10/15 kA, it provides reliable protection against overcurrent and short-circuit conditions.

Designed for DIN-rail mounting, the S204M-K20 combines compact installation with the established circuit protection capabilities of the System pro M compact S200M range. Its 4-pole configuration allows coordinated protection and switching across four poles in compatible electrical systems.

The K tripping characteristic and 20 A rating make the S204M-K20 suitable for compatible AC circuits where dependable circuit protection is required, while its 10/15 kA breaking capacity supports applications requiring enhanced short-circuit protection.

Key Advantages

  • Rated current of 20 A for suitable AC circuit protection applications.
  • K tripping characteristic for applications requiring the corresponding protection characteristics.
  • 10/15 kA rated breaking capacity for dependable short-circuit protection.
  • 4-pole configuration for coordinated protection and switching across four poles.
  • Designed for AC electrical supply.
  • DIN-rail mounting for straightforward installation in compatible distribution and control equipment.
  • Part of the ABB System pro M compact S200M miniature circuit breaker series.

Key Features

  • ABB System pro M compact S200M miniature circuit breaker.
  • Model: S204M-K20.
  • 4-pole construction.
  • K tripping characteristic.
  • 20 A rated current.
  • 10/15 kA rated breaking capacity.
  • AC supply.
  • DIN-rail mounting.
  • Manufacturer part number: 2CDS274001R0487.

Reliable Circuit Protection for AC Electrical Systems

The ABB S204M-K20 provides 4-pole circuit protection for compatible AC electrical installations. Its 20 A rating and K tripping characteristic make it suitable for applications requiring the corresponding overcurrent protection characteristics.

With a 10/15 kA rated breaking capacity and DIN-rail mounting, the S204M-K20 can be integrated into compatible distribution boards, control panels and electrical assemblies where compact multi-pole circuit protection is required.

Typical Applications

  • AC electrical distribution systems.
  • Commercial and industrial control panels.
  • Distribution boards and electrical enclosures.
  • Building electrical installations.
  • Control and auxiliary circuits.
  • Electrical machinery and equipment circuits.
  • General low-voltage AC circuit protection applications.

Technical Specifications

Manufacturer part number 2CDS274001R0487
Brand ABB
Product S204M-K20 miniature circuit breaker
Number of poles 4
Tripping characteristic K
Rated current 20 A
Mounting DIN rail
Current 20 A
Poles 4-pole
Phase Three Phase
Device Type MCB
Trip Curve K curve
Breaking Capacity 10 kA
Manufacturer ABB
Series System pro M compact S200M
Model S204M-K20
Order code 2CDS274001R0487
Rated breaking capacity 10/15 kA
Supply AC

Frequently Asked Questions

What is the ABB S204M-K20?

The ABB S204M-K20 is a 4-pole miniature circuit breaker from the ABB System pro M compact S200M series, designed for suitable AC circuit protection applications.

What is the rated current of the S204M-K20?

The ABB S204M-K20 has a rated current of 20 A.

What tripping characteristic does the S204M-K20 have?

The S204M-K20 has a K tripping characteristic.

What is the breaking capacity of the ABB S204M-K20?

The ABB S204M-K20 has a rated breaking capacity of 10/15 kA.

How is the ABB S204M-K20 mounted?

The ABB S204M-K20 is designed for DIN-rail mounting and is intended for AC electrical applications.

Trusted by Professionals

ABB System pro M compact S200M miniature circuit breakers provide compact and practical circuit protection solutions for compatible low-voltage electrical installations.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...