S203M-K6NA

Name: S203M-K6NA
Brand: ABB
SKU: S203M-K6NA

The ABB S203M-K6NA miniature circuit breaker provides reliable protection with its current-limiting design and advanced tripping mechanisms, suitable for residential, commercial, and industrial use.

Product ModelS203M-K6NA

Material Number2CDS273103R0377

Product ID78881

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203M-K6NA offers robust protection against overloads and short circuits, ensuring the safety of your electrical systems.
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2. Advanced Tripping MechanismsEquipped with both delayed thermal and electromechanical tripping mechanisms, this circuit breaker provides precise control over electrical currents.
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3. Current-Limiting DesignThe current-limiting design of the S203M-K6NA helps in reducing the impact of short circuits, minimizing damage to equipment and ensuring quick recovery.
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4. Versatile ApplicationsSuitable for residential, commercial, and industrial use, this miniature circuit breaker is a versatile solution for various electrical needs.
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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)