S203MTR-B63

Name: S203MTR-B63
Brand: ABB
SKU: S203MTR-B63

The ABB S203MTR-B63 is a 63A single pole miniature circuit breaker with high-breaking capacity, compact dimensions, and easy installation. It ensures safety and efficiency in your electrical system.

Product ModelS203MTR-B63

Material Number2CDS273447R0635

Product ID79077

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. High-Breaking CapacityThe ABB S203MTR-B63 features a high-breaking capacity of up to 25 kA AC and 10 kA DC, providing robust protection against short circuits and overloads.
2
2. Compact DesignWith dimensions of 85 x 69 x 17.5 mm, this circuit breaker offers space and weight savings, making it ideal for modern electrical installations.
3
3. Compliance with StandardsThe S203MTR-B63 is compliant with traction standards (IEC/EN 60947-2), ensuring it meets the highest safety and performance requirements.
4
4. Flexible and Easy ReplacementCompatible with the System Pro M compact standard and ring lugs accessories, this circuit breaker offers flexible and easy replacement options, reducing downtime and maintenance costs.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

IEC/EN 60947-2

Tripping Characteristic

Rated Voltage (Ur)

440 V

Rated Operational Voltage

440 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 240 V AC

Operational Voltage

Minimum 12 V AC / 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V