S203M-Z63

Name: S203M-Z63
Brand: ABB
SKU: S203M-Z63

The ABB S203M-Z63 is a 3-pole miniature circuit breaker with a 63A rating, offering reliable overload and short circuit protection through its delayed thermal and electromechanical tripping mechanisms. Suitable for various applications, it meets IEC/EN 60898-1 and IEC/EN 60947-2 standards.

Product ModelS203M-Z63

Material Number2CDS273001R0608

Product ID80670

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection MechanismsThe S203M-Z63 features two tripping mechanisms: delayed thermal for overload protection and electromechanical for short circuit protection, ensuring comprehensive safety.
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2. Versatile ConnectivityAvailable in different configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P) and breaking capacities (up to 10 kA at 230/400 V AC), it offers flexibility in installation.
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3. Compliance with International StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, making it suitable for residential, commercial, and industrial applications.
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4. Compact DesignThe bottom-fitting auxiliary contact saves 50% space, making it ideal for space-constrained installations.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

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)