S203M-C13UC

Name: S203M-C13UC
Brand: ABB
SKU: S203M-C13UC

The ABB S203M-C13UC is a 3-pole miniature circuit breaker with a C tripping characteristic and 13 A rated current. It offers high short-circuit breaking capacity and complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards.

Product ModelS203M-C13UC

Material Number2CDS273061R0134

Product ID79428

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. High Short-Circuit Breaking Capacity The ABB S203M-C13UC boasts an impressive short-circuit breaking capacity, ensuring your electrical system is protected from severe faults. With a rated short-circuit capacity of up to 10 kA, it provides robust protection for your equipment.
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Feature2. Compliance with International Standards This miniature circuit breaker complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, making it suitable for a wide range of applications, including residential, commercial, and industrial settings.
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Feature3. Versatile Tripping Mechanisms The S203M-C13UC features two different tripping mechanisms: delayed thermal tripping for overload protection and electromechanical tripping for short-circuit protection. This ensures comprehensive protection against various electrical faults.
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Feature4. Flexible AC and DC Applications Designed for both AC and DC applications, this circuit breaker is versatile and can be used in a variety of electrical systems. Its flexibility makes it an ideal choice for diverse installation tasks.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

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

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60898-2 400 V AC acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC Maximum (Incl. Tolerance) 500 V DC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

Feature5. Durable and Reliable Construction Built with high-quality materials and designed for long-lasting performance, the ABB S203M-C13UC offers reliable operation under various environmental conditions. Its robust construction ensures it can withstand the demands of your electrical system.

Feature6. Easy Installation and Maintenance The S203M-C13UC features screw terminals for easy installation and maintenance. Its compact design allows for efficient use of space, making it a convenient choice for many electrical projects.

Feature7. Comprehensive Protection Features With its C tripping characteristic, this circuit breaker provides comprehensive protection against overloads and short circuits. Its energy limiting class of 3 ensures that the circuit breaker can handle high currents without causing damage to the equipment.

Feature8. Wide Range of Accessories Available The ABB S203M-C13UC is compatible with a variety of accessories, including busbars and flexible connectors. This compatibility ensures that you can easily integrate the circuit breaker into your existing electrical setup.

Feature9. IP20 Protection Class The device has an IP20 protection class, which means it is well-protected against foreign objects and water. This ensures that the circuit breaker operates reliably in various environments.

Feature10. Mounting Flexibility The S203M-C13UC can be mounted on DIN rails, providing flexibility in terms of installation. It can be mounted on either TH35-7.5 or TH35-15 rails, making it easy to integrate into your electrical panel.

4 kV at 2000 m 5 kV at Sea Level 6.2 kV

Dielectric Test Voltage

50/60 Hz-1 min: 2 kV

Input Voltage Type

AC/DC

Rated Current (In)

13 A

Rated Short-Circuit Capacity

(AC) 10 kA (230 V AC) 10 kA (253 V AC) 10 kA (400 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA (400 V) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V DC) 25 kA (230 V AC) 25 kA (400 V AC) 10 kA (440 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA

Rated Conditional Short-Circuit Current (Inc)

(230 V) 25 kA (400 V) 10 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(220 V DC) 20 kA

Rated Frequency (f)

50 / 60 Hz DC

Power Loss

5.07 W at Rated Operating Conditions per Pole 1.69 W

Power Supply Connection

Please Note Polarity of Device

Contact Position Indication

Red ON / Green OFF

Energy Limiting Class

Electrical Endurance

20000 AC cycle

Mechanical Endurance

20000 cycle

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Tightening Torque

2.8 NÂ·m

Screw Terminal Type

Failsafe Bi-directional Cylinder-lift Terminal

Actuator Marking

I / O

Actuator Material

Insulation Group II, Black, Sealable

Housing Material

Insulation Group I, RAL 7035

Options Provided

Universal current

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Mounting Position

any

Recommended Screw Driver

Pozidriv 2

Accessories Available

Yes

Remarks

Please note polarity of device

Connecting Capacity

Busbar 10 / 10 mmÂ² Flexible with Ferrule 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Rigid 0.75 ... 35 mmÂ² Stranded 0.75 ... 35 mmÂ²

Installation Size

acc. to DIN 43880 1

Terminal Type

Screw Terminals

Ambient Air Temperature

Operation -25 ... +55 Â°C Storage -40 ... +70 Â°C

Reference Ambient Air Temperature

30 Â°C

Degree of Protection

IP20 Enclosure with Cover IP40

Pollution Degree

Environmental Conditions

28 cycles with 55 Â°C / 90-96 % and 25 Â°C / 95-100 %

Resistance to Vibrations

20 Cycles with Load 0.8 In: 5g 5 ... 150 ... 5 Hz

Resistance to Shock acc. to IEC 60068-2-27

25g 2 shocks 13 ms

Environmental Information

2CDK400030D201

Maximum Operating Voltage UL/CSA

480Y/277 V AC 500 V DC

Interrupting Rating acc. to UL1077

(220 V AC) 10 kA (277 V AC) 6 kA (440 V DC) 10 kA (480Y / 277 V AC) 10 kA (500 V DC) 10 kA

Connecting Capacity UL/CSA

Busbar 14-8 AWG Conductor 14-4 AWG

Tightening Torque UL/CSA

25 inÂ·lb

Width in Number of Modular Spacings

3.0

Product Net Width

52.5 mm

Product Net Height

85 mm

Product Net Depth / Length

69 mm

Product Net Weight

0.375 kg

Pole Net Weight

0.125 kg

Built-In Depth (t2)

69 mm

ETIM 8

EC000042 - Miniature circuit breaker (MCB)

ETIM 9

EC000042 - Miniature circuit breaker (MCB)

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

WEEE B2C / B2B

Business To Business

CN8

8536 20 10

UNSPSC

39121603

eClass

V11.0 : 27141901

IDEA Granular Category Code (IGCC)

4899 >> Miniature circuit breaker (MCB) screw-in model

Object Classification Code

Manufacturer ID

2CDS273061R0134