"ABB S203MT-B15: 15A, 3P, DIN rail mount, 10kA short-circuit capacity. Reliable protection for electrical systems with robust design and easy installation."
Product ModelS203MT-B15
Material Number2CDS273445R0155
Product ID78276
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Protection\"The ABB S203MT-B15 offers unparalleled reliability with its robust design and high short-circuit capacity of 10kA, ensuring your electrical system is protected against potential hazards.\"
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2. Efficient Operation\"With a 15A rating and 3 poles, this miniature circuit breaker ensures efficient operation in various electrical systems, making it an ideal choice for both residential and commercial applications.\"
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3. Easy Installation\"Designed for easy mounting on DIN rails, the ABB S203MT-B15 simplifies the installation process, saving you time and effort while ensuring a secure fit.\"
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4. Robust Design\"Built with a durable thermoplastic housing, the ABB S203MT-B15 withstands harsh environmental conditions, providing long-lasting performance in demanding electrical environments.\"
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, CSA 22.2 No. 235
Tripping Characteristic
B
Rated Voltage (Ur)
440 V
Rated Operational Voltage
acc. to IEC 60898-1 400 V acc. to IEC 60898-1 440 V acc. to IEC 60947-2 230 V
Operational Voltage
Maximum (Incl. Tolerance) 253 V AC Maximum (Incl. Tolerance) 66 V DC Minimum 12 V AC Minimum 12 V DC
Rated Insulation Voltage (Ui)
5
5. Compliance with Standards\"Compliant with IEC/EN 60947-2 and other international standards, the ABB S203MT-B15 ensures that your electrical system meets the highest safety and performance standards.\"
