S203M-Z10NA

Name: S203M-Z10NA
Brand: ABB
SKU: S203M-Z10NA

The ABB S203M-Z10NA is a current-limiting miniature circuit breaker with delayed thermal tripping. It offers reliable protection for DC and AC applications, ensuring safe and efficient electrical operation.

Product ModelS203M-Z10NA

Material Number2CDS273103R0428

Product ID80955

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-Z10NA provides reliable protection against electrical faults, ensuring the safety of your equipment and personnel.
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2. Current LimitingDesigned with current limiting capabilities, this circuit breaker helps in reducing the impact of short circuits, preventing damage to your electrical system.
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3. Delayed Thermal TrippingFeaturing delayed thermal tripping, the S203M-Z10NA minimizes unnecessary shutdowns, optimizing system performance and reducing downtime.
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4. Versatile ApplicationsSuitable for both DC and AC applications, this miniature circuit breaker is versatile and can be used in a variety of 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

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)