S203-D4

Name: S203-D4
Brand: ABB
SKU: S203-D4

The ABB S203-D4 is a 3P miniature circuit breaker with a 4A current rating, featuring a D characteristic for delayed thermal tripping. It ensures safety and efficiency in electrical distribution systems.

Product ModelS203-D4

Material Number2CDS253001R0041

Product ID78166

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Safety FeaturesThe ABB S203-D4 is designed with a delayed thermal tripping mechanism, ensuring that the circuit breaker operates safely and efficiently under various load conditions.
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2. Compact DesignThis miniature circuit breaker is compact and easy to install, making it perfect for use in tight spaces within electrical distribution systems.
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3. High Breaking CapacityWith a breaking capacity of up to 6 kA at 230/400 V AC, the S203-D4 provides robust protection against electrical surges and faults.
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4. Versatile Configuration OptionsAvailable in different configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P), the S203-D4 can be easily integrated into various electrical systems.
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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 60898-1 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)