S203M-B63 OVR

Name: S203M-B63 OVR
Brand: ABB
SKU: S203M-B63 OVR

Short Description: The ABB S203M-B63 is a 3-pole, 63A miniature circuit breaker with a 10kA short circuit breaking capacity, designed for DIN rail mounting and offering IP20 protection.

Product ModelS203M-B63 OVR

Material Number2CDS273023N0635

Product ID80109

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. Compact Design for Space Efficiency The ABB S203M-B63 is designed to be compact, allowing for efficient use of space in your electrical panel. Its slim profile makes it ideal for installations where space is limited.
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Feature2. Current-Limiting Technology This circuit breaker features current-limiting technology, which helps to reduce the risk of damage to equipment during short circuits. It ensures that the current is limited to a safe level, protecting your electrical system.
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Feature3. Dual Tripping Mechanisms The S203M-B63 has two tripping mechanisms: delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection. This dual mechanism ensures comprehensive protection against both overloads and short circuits.
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Feature4. High Short Circuit Breaking Capacity With a short circuit breaking capacity of 10kA, the ABB S203M-B63 is capable of handling high fault currents, making it suitable for a wide range of applications, including industrial settings.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Tripping Characteristic

Rated Operational Voltage

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

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

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

Input Voltage Type

Rated Current (In)

63 A

Feature5. Compliance with International Standards The S203M-B63 complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring that it meets the highest safety and performance requirements for miniature circuit breakers. This compliance makes it suitable for residential, commercial, and industrial applications.

Feature6. DIN Rail Mounting for Easy Installation The circuit breaker is designed for easy installation on DIN rail, which simplifies the mounting process and ensures a secure fit. This feature makes it convenient for electrical engineers and technicians to integrate into existing systems.

Feature7. IP20 Protection for Environmental Durability The S203M-B63 offers IP20 protection, which provides a high level of protection against solid objects and dust. This ensures that the circuit breaker operates reliably in various environmental conditions, including those with moderate levels of dust and solid particles.

Feature8. Operational Temperature Range The circuit breaker operates within a temperature range of -25°C to 55°C, making it suitable for a wide range of environments. This operational range ensures that the device functions effectively in various climatic conditions.

Feature9. Electrical Life and Endurance The S203M-B63 has an electrical life of 20,000 cycles, indicating its durability and reliability. This high endurance ensures that the circuit breaker can handle frequent on/off cycles without compromising its performance.

Feature10. Versatile Configuration Options The ABB S203M-B63 is available in various configurations, including 1P, 1P+N, 2P, 3P, 3P+N, and 4P. This versatility allows users to choose the configuration that best fits their specific application needs, enhancing flexibility in electrical panel design and installation.

Feature11. Accessories Available for Enhanced Functionality The S203M-B63 offers a range of accessories, including busbars, flexible wires, and rigid conductors. These accessories can be used to enhance the functionality of the circuit breaker, providing additional connectivity options and improving overall system performance.

Feature12. Compliance with EU Directive 2011/65/EU (RoHS) The ABB S203M-B63 complies with the EU Directive 2011/65/EU (RoHS), ensuring that it meets the requirements for the restriction of hazardous substances in electrical and electronic equipment. This compliance demonstrates the commitment of ABB to environmental sustainability and safety.

Feature13. UL/CSA Certification for Global Markets The circuit breaker is certified by UL/CSA, making it suitable for use in various global markets. This certification ensures that the S203M-B63 meets the safety standards required in different regions, enhancing its marketability and adoption worldwide.

Feature14. Energy Efficiency and Low Power Loss The S203M-B63 is designed to operate with low power loss, ensuring that it does not significantly impact the overall energy efficiency of the electrical system. This feature is particularly beneficial in applications where energy conservation is crucial.

Feature15. Actuator Marking and Insulation Group II The circuit breaker features actuator marking and is part of the Insulation Group II, which ensures that it meets the necessary safety standards for electrical insulation. This marking provides clear indication of the actuator position, enhancing user safety and ease of operation.

Feature16. Mounting on DIN Rail with Pozidriv 2 Screw Driver The S203M-B63 can be mounted on DIN rail using a Pozidriv 2 screw driver. This specific screw driver recommendation ensures a secure and reliable mounting process, which is essential for maintaining the integrity of the electrical system.

Feature17. Resistance to Vibrations and Shock The circuit breaker is designed to withstand vibrations and shock, ensuring that it remains functional even in harsh environmental conditions. This resistance to mechanical stress enhances its durability and reliability in various applications.

Feature18. Environmental Conditions and Compliance The S203M-B63 is tested to withstand environmental conditions such as 5g vibrations and 25g shocks, as per IEC 60068-2-6 and IEC 60068-2-27 standards. This compliance ensures that the circuit breaker operates reliably in diverse environmental settings.

Feature19. Customs Tariff Number and E-Number (Finland) The ABB S203M-B63 is assigned a customs tariff number (3210765) and an E-Number in Finland (85362010). These identifiers facilitate customs clearance and ensure compliance with local regulations, making it easier to import and distribute the product.

Feature20. Minimum Order Quantity and Packaging Details The minimum order quantity for the S203M-B63 is one piece, and it is available in cartons containing 36 pieces. The packaging details ensure that the product is delivered in a secure and organized manner, which is essential for maintaining its quality and functionality.

Rated Short-Circuit Capacity

(230 V AC) 10 kA (400 V AC) 10 kA (400 V) 10 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

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

Rated Conditional Short-Circuit Current (Inc)

(230 V) 15 kA (400 V) 15 kA

Rated Service Short-Circuit Breaking Capacity (Ics)

(133 V AC) 15 kA (230 V AC) 7.5 kA

Rated Frequency (f)

50 / 60 Hz

Energy Limiting Class

Number of Protected Poles

Number of Poles

Overvoltage Category

III

Accessories Available

Yes

Connecting Capacity

Flexible with Ferrule 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Flexible 0.75 ... 25 mmÂ² Rigid 0.75 ... 35 mmÂ² Rigid 0.75 ... 35 mmÂ² Stranded 0.75 ... 35 mmÂ²

Ambient Air Temperature

Operation -25 ... +55 Â°C

Degree of Protection

IP20 IP40

Pollution Degree

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

0.345 kg

Pole Net Weight

0.125 kg

Built-In Depth (t2)

69 mm

Dimension Diagram

2CDC022007F0010

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)

4897 >> Miniature circuit breakers

Manufacturer ID

2CDS273023N0635