ABB S203-C40 Miniature Circuit Breaker - 3P, 40A, C-Curve. Reliable protection for residential, commercial, and industrial applications.
Product ModelS203-C40
Material Number2CDS253001R0404
Product ID80609
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Effective Tripping MechanismsThe S203-C40 features two tripping mechanisms: delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, ensuring comprehensive safety.
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2. Compliance with International StandardsCompliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, making it suitable for a wide range of applications.
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3. High Breaking CapacityWith a short circuit breaking capacity of 6 kA at 230/400 V AC, this MCB can handle high current surges effectively.
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4. Compact DesignDesigned for DIN rail mounting, the S203-C40 is compact and space-efficient, making it ideal for installations where space is limited.
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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
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)
5. Versatile Configuration OptionsAvailable in various configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P), the S203-C40 can be used in a variety of electrical systems, from residential to industrial settings.
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6. Reliable PerformanceWith an operating temperature range of -25°C to 55°C and an electrical life of 20,000 cycles, the S203-C40 offers reliable performance under diverse conditions.
