S203-D8NA

Name: S203-D8NA
Brand: ABB
SKU: S203-D8NA

"ABB S203-D8NA: Compact, current-limiting miniature circuit breaker with delayed thermal and electromechanical tripping mechanisms for overload and short circuit protection. Suitable for a wide range of applications, ensuring safety and efficiency."

Product ModelS203-D8NA

Material Number2CDS253103R0081

Product ID77987

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection\"The ABB S203-D8NA offers reliable protection against both overload and short circuits, ensuring the safety of your electrical system.\"
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2. Compact Design\"Its compact design makes it ideal for a variety of applications, including residential and commercial settings, without compromising on performance.\"
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3. Current Limiting\"As a current-limiting device, the S203-D8NA helps prevent damage to your electrical system by limiting the current in case of an overload.\"
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4. Dual Tripping Mechanisms\"Equipped with both delayed thermal and electromechanical tripping mechanisms, this circuit breaker provides comprehensive protection against different types of faults.\"
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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)