ABB S203-C25NA Miniature Circuit Breaker - 4P - 25A: Reliable, compact, and compliant with international standards for residential, commercial, and industrial use.
Product ModelS203-C25NA
Material Number2CDS253103R0254
Product ID80387
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliability and SafetyThe ABB S203-C25NA is designed with a failsafe bi-directional cylinder-lift terminal, ensuring secure connections and reliable operation. It meets the highest safety standards, including IEC/EN 60898-1 and IEC/EN 60947-2, making it ideal for residential, commercial, and industrial applications.
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2. Compact DesignThis miniature circuit breaker is designed to be compact, fitting seamlessly into any distribution board. Its small size makes it perfect for space-constrained environments without compromising on performance.
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3. High Breaking CapacityWith a breaking capacity of up to 6 kA at 230/400 V AC, the S203-C25NA can handle high short-circuit currents, ensuring that your electrical system remains protected and functional under demanding conditions.
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4. Versatile ConfigurationAvailable in a 4-pole configuration, this circuit breaker is versatile and can handle a variety of electrical loads. Its flexibility makes it suitable for a wide range of applications, from residential to industrial settings.
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
C
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)
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5. Compliance with International StandardsThe S203-C25NA is compliant with multiple international standards, including UL 1077 and CSA 22.2 No. 235. This ensures that the product meets the highest quality and safety requirements, providing peace of mind for users and installers alike.
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6. Energy EfficiencyDesigned to minimize power loss, the S203-C25NA operates efficiently, reducing energy consumption and heat generation. This not only prolongs the lifespan of the circuit breaker but also contributes to a more sustainable electrical system.
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7. Easy InstallationThe S203-C25NA features screw terminals that are easy to connect and disconnect, making installation and maintenance straightforward. The failsafe bi-directional cylinder-lift terminal ensures that connections are secure and reliable, reducing the risk of electrical faults.
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8. Environmental DurabilityBuilt to withstand harsh environmental conditions, the S203-C25NA operates within a temperature range of -25°C to +55°C and is resistant to shock and vibrations. This durability ensures that the circuit breaker remains functional even in challenging environments.
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9. Label and Contact Position IndicationThe S203-C25NA includes a clear label and contact position indication, making it easy to identify the status of the circuit breaker. The red ON and green OFF indicators provide a visual confirmation of the circuit’s status, enhancing safety and convenience.
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10. Warranty and SupportABB offers comprehensive support and warranty for the S203-C25NA, providing customers with peace of mind and ensuring that their electrical systems are protected by a reliable and high-quality product.
