The ABB S203MT-K30UC is a 3A miniature circuit breaker offering reliable protection. It meets IEC/EN 60898-1 and 60947-2 standards, ensuring efficient and safe electrical operation.
Product ModelS203MT-K30UC
Material Number2CDS273065R0527
Product ID80702
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe ABB S203MT-K30UC provides reliable protection against electrical overloads and short circuits, ensuring the safety of your electrical system.
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2. Efficient OperationDesigned to meet IEC/EN 60898-1 and 60947-2 standards, this MCB ensures efficient operation in a wide range of applications.
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3. High-Quality ConstructionBuilt with high-quality materials, the S203MT-K30UC offers durable performance and long-lasting reliability.
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4. Easy InstallationWith its compact design and screw terminal connections, the S203MT-K30UC is easy to install on DIN rail, making it a convenient choice for various electrical systems.
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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
CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077
Tripping Characteristic
K
Rated Operational Voltage
acc. to IEC 60898-1 440 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC
Operational Voltage
Maximum (Incl. Tolerance) 462 V AC Maximum (Incl. Tolerance) 500 V DC 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. Comprehensive Safety FeaturesEquipped with a tripping characteristic of K and rated insulation voltage of 440 V AC, this MCB provides comprehensive safety features to protect your electrical equipment from damage.
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/DC
Rated Current (In)
30 A
Rated Short-Circuit Capacity
(AC) 7.5 kA (DC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (230 V) 10 kA (400 V) 10 kA
