"ABB's S204M-Z25 is a compact, current-limiting miniature circuit breaker with delayed thermal tripping. Ideal for reliable operation and safety in various applications."
Product ModelS204M-Z25
Material Number2CDS274001R0518
Product ID78161
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Current LimitingThe S204M-Z25 is designed to limit current in the event of an overload, reducing the risk of damage to the circuit and ensuring a safer operation.
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2. Delayed Thermal TrippingThis breaker features a delayed thermal tripping mechanism, which provides a more controlled shutdown in case of overheating, preventing unnecessary interruptions.
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3. Compact DesignThe S204M-Z25 is a compact miniature circuit breaker, making it easy to integrate into a wide range of applications without taking up excessive space.
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4. Reliable OperationWith its robust design and reliable tripping mechanisms, the S204M-Z25 ensures consistent performance and minimal downtime, making it a trusted choice for various electrical systems.
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 60898-1 400 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)
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5. Versatile ApplicationsSuitable for a variety of applications, including industrial and commercial settings, the S204M-Z25 offers flexibility and adaptability to meet diverse electrical needs.
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)
25 A
Rated Short-Circuit Capacity
(AC) 10 kA (DC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (400 V) 10 kA
