S203M-D1NA

Name: S203M-D1NA
Brand: ABB
SKU: S203M-D1NA

The ABB S203M-D1NA is a high-quality miniature circuit breaker designed for reliable protection against overcurrents and earth fault currents. Featuring a delayed thermal tripping mechanism, it provides safe and efficient operation in various applications.

Product ModelS203M-D1NA

Material Number2CDS273103R0011

Product ID79854

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-D1NA offers comprehensive protection against overcurrents and earth fault currents, ensuring the safety of your electrical system.
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2. Delayed Thermal Tripping MechanismThis mechanism provides a delayed response to thermal changes, reducing the risk of false tripping and ensuring stable operation.
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3. Compact DesignThe miniature design of the S203M-D1NA makes it ideal for use in compact electrical panels and systems where space is limited.
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4. Versatile ApplicationsSuitable for a wide range of applications, including industrial, commercial, and residential settings, the S203M-D1NA provides reliable protection in various environments.
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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 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)