S203M-Z0.5NA

Name: S203M-Z0.5NA
Brand: ABB
SKU: S203M-Z0.5NA

"ABB S203M-Z0.5NA: 0.5A, 4-pole miniature circuit breaker with delayed thermal and electromechanical tripping mechanisms. Suitable for residential, commercial, and industrial applications, ensuring safe electrical protection."

Product ModelS203M-Z0.5NA

Material Number2CDS273103R0158

Product ID80846

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. Reliable Protection:\n- \"The ABB S203M-Z0.5NA offers reliable protection against overloads and short circuits with its delayed thermal and electromechanical tripping mechanisms.\"
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Feature2. Versatile Applications:\n- \"Ideal for residential, commercial, and industrial applications, making it a versatile choice for various electrical needs.\"
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Feature3. Compliance with Standards:\n- \"Compliant with IEC/EN 60898-1, IEC/EN 60947-2, UL1077, and CSA 22.2 No. 235, ensuring high-quality and safe performance.\"
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Feature4. Space-Saving Design:\n- \"The bottom-fitting auxiliary contact design saves 50% space, making it perfect for compact installations.\"
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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)