"ABB S203-K40NA: A UL1077 recognized, 3 pole + neutral miniature circuit breaker with 40A capacity. Perfect for ensuring safety and efficiency in various applications."
Product ModelS203-K40NA
Material Number2CDS253103R0557
Product ID80206
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliability and Safety\"UL1077 recognized for reliability and safety, ensuring your electrical system operates without risk.\"
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2. Versatile Application\"Suitable for a wide range of applications, from residential to commercial settings, providing flexibility and adaptability.\"
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3. High Current Rating\"With a 40A capacity, this circuit breaker can handle high current demands, making it ideal for heavy-duty use.\"
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4. Efficient Operation\"Designed to operate efficiently, reducing energy waste and ensuring smooth electrical flow.\"
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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
K
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
5. Compact Design
\"Compact design makes it easy to install and integrate into existing electrical systems, saving space and enhancing convenience.\"
