S203-C20NA

Name: S203-C20NA
Brand: ABB
SKU: S203-C20NA

The ABB S203-C20NA is a compact, current-limiting miniature circuit breaker designed for reliable 20A protection in various electrical installations. It features delayed thermal tripping mechanisms and is suitable for applications requiring high safety standards.

Product ModelS203-C20NA

Material Number2CDS253103R0204

Product ID79679

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203-C20NA provides reliable 20A protection, ensuring your electrical system is safe and efficient.
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2. Compact DesignIts compact size makes it ideal for installations where space is limited, such as in control panels or small electrical rooms.
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3. Current LimitingThe circuit breaker is current limiting, which helps in reducing the risk of electrical shock and damage to equipment.
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4. Delayed Thermal TrippingEquipped with delayed thermal tripping mechanisms, this breaker ensures that it trips only when necessary, minimizing false tripping and reducing 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 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)