S203M-B25DC

Name: S203M-B25DC
Brand: ABB
SKU: S203M-B25DC

The ABB S203M-B25DC is a reliable miniature circuit breaker with a 25A current rating, 10kA short circuit breaking capacity, and IP20 protection. Suitable for DIN rail mounting, it ensures safe electrical operations in DC and AC systems.

Product ModelS203M-B25DC

Material Number2TAZ112300R0255

Product ID80194

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-B25DC offers robust protection against short circuits and overloads, ensuring the safety of your electrical system.
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2. Efficient OperationWith a high short circuit breaking capacity of 10kA, this circuit breaker efficiently handles electrical surges, maintaining system stability.
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3. Durable DesignBuilt for durability, the S203M-B25DC operates within a wide temperature range of -25°C to 55°C, making it suitable for various environments.
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4. Easy InstallationDesigned for DIN rail mounting, the S203M-B25DC is easy to install and integrate into your existing electrical setup.
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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

IEC/EN 60898-2 GB 10963 IEC/EN 60947-2 GB 14048

Tripping Characteristic

Rated Voltage (Ur)

440 V

Rated Operational Voltage

440 V DC

Rated Insulation Voltage (Ui)

440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV