The ABB S204MTR-K8 DC Miniature Circuit Breaker is a 4-pole, 8A device with a K tripping characteristic, offering reliable protection in low-voltage applications.
Product ModelS204MTR-K8 DC
Material Number2CDS274565R0407
Product ID79218
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe ABB S204MTR-K8 DC Miniature Circuit Breaker provides reliable protection against overcurrents, ensuring the safety of your electrical system.
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2. Wide Operating RangeDesigned to operate in a wide ambient air temperature range of -25°C to +55°C, this circuit breaker is suitable for various environmental conditions.
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3. High Short-Circuit CapacityWith a rated short-circuit capacity of 10 kA at 230 V AC and 15 kA at 400 V AC, it can handle high short-circuit currents effectively.
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4. Compact DesignThe compact design of the S204MTR-K8 makes it ideal for use in modular DIN rail systems, saving space in your electrical panel.
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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
IEC/EN 60947-2
Tripping Characteristic
K
Rated Voltage (Ur)
500 V DC
Rated Operational Voltage
440 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 240 V AC
Operational Voltage
Minimum 12 V AC / 12 V DC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
5. Compliance with StandardsMeets international standards such as CSA 22.2 No. 235, IEC/EN 60947-2, and UL 1077, ensuring compliance with global safety regulations.
