"ABB S204M-Z50: Current-limiting miniature circuit breaker with delayed thermal tripping. Compact design for reliable electrical protection in various applications."
Product ModelS204M-Z50
Material Number
2CDS274001R0578
Product ID77937
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Current LimitingThe S204M-Z50 is designed to limit the current in case of an overload, preventing damage to the circuit and reducing the risk of electrical fires.
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2. Delayed Thermal TrippingThis mechanism ensures that the circuit breaker trips only after a certain delay, allowing for temporary overloads and reducing false tripping.
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3. Compact DesignThe miniature size of the S204M-Z50 makes it perfect for installations where space is limited, such as in industrial control panels or residential electrical systems.
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4. Reliable ProtectionWith its advanced tripping mechanisms, the S204M-Z50 provides reliable and efficient electrical protection, ensuring the safety of people and equipment.
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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 60898-1 400 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 ApplicationsSuitable for a wide range of applications, including industrial control panels, residential electrical systems, and commercial settings, the S204M-Z50 is a versatile solution for electrical protection 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)
50 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
