S203M-D25NA

Name: S203M-D25NA
Brand: ABB
SKU: S203M-D25NA

"ABB's S203M-D25NA is a current-limiting miniature circuit breaker designed for residential and commercial use. It features delayed thermal tripping and is easy to install, providing reliable protection against electrical faults."

Product ModelS203M-D25NA

Material Number2CDS273103R0251

Product ID77968

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection\"The ABB S203M-D25NA offers reliable protection against electrical faults, ensuring your equipment and people are safe.\"
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2. Easy Installation\"With its compact design and straightforward installation process, the S203M-D25NA makes it easy to integrate into your electrical system.\"
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3. Current-Limiting Technology\"The current-limiting mechanism helps to reduce the impact of electrical faults, minimizing damage to your equipment.\"
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4. Delayed Thermal Tripping\"The delayed thermal tripping mechanism ensures that the circuit breaker trips only when necessary, reducing false tripping and unnecessary downtime.\"
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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)