Short Product Description "ABB S204MT-Z20UC: Reliable 20A, 3P miniature circuit breaker for industrial and commercial use, DIN rail mounting."
Product ModelS204MT-Z20UC
Material Number2CDS274065R0488
Product ID78421
Stock on Request
Last updated: 8/29/2026
Key Features
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Feature1. Reliable Protection The ABB S204MT-Z20UC provides robust protection against overloads and short circuits, ensuring the safety of your electrical system.
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Feature2. High Current Rating With a rated current of 20A, this circuit breaker is suitable for demanding applications, making it ideal for industrial and commercial use.
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Feature3. DIN Rail Mounting Designed for easy installation on DIN rails, the S204MT-Z20UC simplifies your electrical setup, saving time and effort.
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Feature4. Compliance with Standards Meets international standards such as IEC/EN 60947-2, ensuring compliance with global safety regulations.
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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
Z
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)
Feature5. Versatile Application Suitable for both AC and DC applications, the S204MT-Z20UC is versatile and can be used in a variety of electrical systems, from industrial machinery to commercial equipment.
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)
20 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
