S203M-B63

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

The ABB S203M-B63 is a high-performance miniature circuit breaker suitable for various electrical applications. It offers a 63A current rating, 3 poles, and a 10kA breaking capacity, ensuring reliable protection against overcurrents and short circuits.

Product ModelS203M-B63

Material Number2CDS273001R0635

Product ID79302

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203M-B63 features two tripping mechanisms – delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, ensuring comprehensive safety.
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2. High Current RatingWith a current rating of 63A, this circuit breaker is ideal for handling high electrical loads in residential, commercial, and industrial settings.
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3. Compact DesignDesigned for DIN rail mounting, the S203M-B63 is compact and space-efficient, making it perfect for modern electrical distribution boards.
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4. Versatile ConfigurationAvailable in various configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P), this circuit breaker can be easily integrated into different electrical systems.

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 CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

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

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC 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)