"ABB S203-Z40NA: 40A, 3P, Z-type miniature circuit breaker. Thermal magnetic trip curve Z, 6 kA interrupt rating. Ideal for residential, commercial, and industrial use."
Product ModelS203-Z40NA
Material Number2CDS253103R0558
Product ID80789
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Protection\"The ABB S203-Z40NA provides reliable protection against overloads and short circuits with its thermal magnetic trip curve Z, ensuring your electrical system remains safe and efficient.\"
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2. Versatile Application\"Suitable for various applications including residential, commercial, and industrial use, making it a versatile choice for any electrical setup.\"
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3. High Interrupt Rating\"With an interrupt rating of 6 kA, the S203-Z40NA can handle high short-circuit currents, providing robust protection against electrical surges.\"
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4. Compliance with Standards\"Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring it meets the highest safety and performance requirements.\"
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
Z
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
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
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5. Easy Installation\"Designed for easy installation on DIN rail, the S203-Z40NA simplifies the process of integrating it into your electrical system, saving time and effort.\"
