Over 800,000 products available
RS Better World

ABB System Pro M Compact S200 Miniature Circuit Breaker, 3-Pole, 20A, Type K, 440V ac AC, 110 V dc DC, 20 kA Breaking

Image representative of range

View all MCBs

Subtotal (1 unit)*

£99.11

(exc. VAT)

£118.93

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 6 unit(s) ready to ship
  • Plus 5 unit(s) shipping from 28 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£99.11

*price indicative

Better World

Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.

RS Stock No.:
514-0232
Mfr. Part No.:
2CDS253001R0487 S203-K20
Brand:
ABB
Find similar products by selecting one or more attributes.
Select all

Brand

ABB

Number of Poles

3

Product Type

Miniature Circuit Breaker

Current Rating

20A

Tripping Characteristics

Type K

Rated AC Voltage

440V ac

Rated DC Voltage

110V dc

Mount Type

DIN Rail

Breaking Capacity

20kA

Range

System Pro M Compact

Series

S200

Terminal Type

Screw

IP Rating

IP20

Depth

69mm

Width

52.5mm

Height

88mm

Standards/Approvals

IEC/EN 60898-1, IEC/EN 60947-2, UL1077

Better World Claim

Designed for Disassembly

Better World Product

Yes

Reset Actuator Type

Toggle Switch

Tripping Mechanism

Electromechanic, Thermal

RoHS Status: Exempt

COO (Country of Origin):
DE

ABB S200 Series MCB, 3 Poles, 20A Current Rating - 2CDS253001R0487 S203-K20


This miniature circuit breaker (MCB) provides circuit protection for residential and industrial electrical systems. With a current rating of 20A and a three-pole configuration, it safeguards against overloads and short circuits. This device is part of the System M Pro range, recognised for its reliability and efficiency.

Features & Benefits


• Utilises Type K characteristics for improved overload protection

• Rated for 440V, suitable for high voltage applications

• Offers a breaking capacity of 6kA for safe disconnection

• Compact design for easy DIN rail mounting

• Incorporates energy-efficient technology for sustainable use

• Enhances residential electrical safety with consistent performance

Applications


• Protection for branch circuits in residential installations

• Suitable for electrical distribution boards and panels

• Ideal for automation systems needing reliable circuit guarding

• Used in protection schemes for mechanical installations

What types of electrical circuits can this device protect?


It is suitable for branch circuits in both residential and industrial environments.

How does this device handle overloads?


With Type K characteristics, it effectively addresses high overload situations, reducing the risk of damage.

Can it be easily installed within existing electrical systems?


Yes, the compact design allows for straightforward installation on DIN rails in standard panels.

What maintenance does it require to function effectively?


Regular visual inspections are necessary to ensure proper operation and to check for any visible damage.

Is it compatible with other products in the System M Pro range?


Yes, it is designed to integrate seamlessly with other products within the same range for optimal performance.

Standards

BS EN 60898

Related links