"ABB S203-D1NA: Compact, reliable miniature circuit breaker for 1A applications. Current limiting and DIN rail mounting ensure efficient protection in lighting and control panels."
Product ModelS203-D1NA
Material Number2CDS253103R0011
Product ID77977
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Compact DesignThe ABB S203-D1NA is designed to be compact, making it ideal for space-constrained applications.
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2. Reliable ProtectionWith its robust current limiting feature, the S203-D1NA provides reliable protection against electrical surges.
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3. DIN Rail MountingEasy to install and mount on DIN rails, ensuring quick and efficient setup.
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4. Versatile UseSuitable for a variety of applications including lighting and control panels, making it a versatile choice.
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5. UL 1077 Certified
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
D
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)
Meets UL 1077 standards, ensuring compliance with safety regulations and providing peace of mind.
