The ABB S203M-B13NA is a 4-pole, 13A miniature circuit breaker suitable for residential, commercial, and industrial use. It provides reliable protection and easy installation.
Product ModelS203M-B13NA
Material Number2CDS273103R0135
Product ID78030
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe S203M-B13NA offers robust protection against overcurrents, ensuring the safety of electrical systems and equipment.
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2. Flexible ApplicationDesigned for both DC and AC applications, this MCB is versatile and can be used in a variety of electrical settings.
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3. High PerformanceWith a breaking capacity of up to 10 kA at 230/400 V AC, it provides efficient and reliable operation under various load conditions.
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4. Easy InstallationThe compact design and integrated terminal technology make installation straightforward, reducing setup time and effort.
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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 CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077
Tripping Characteristic
B
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)
5. Compliance with StandardsThe S203M-B13NA meets multiple international standards, including UL489/CSA 22.2 No. 5, ensuring compliance with global safety regulations.
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Dielectric Test Voltage
50/60 Hz-1 min: 2 kV
Input Voltage Type
AC
Rated Current (In)
13 A
Rated Short-Circuit Capacity
(AC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (400 V) 10 kA
