"High-performance miniature circuit breaker with 10 kA interrupt rating, 4 A amperage, and robust thermoplastic housing. Suitable for residential, commercial, and industrial use."
Product ModelS202MT-D40
Material Number2CDS272445R0401
Product ID79705
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High Interrupt RatingThe ABB ST202M-D4 features an impressive 10 kA interrupt rating, ensuring reliable short circuit protection in various applications.
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2. Robust Thermoplastic HousingConstructed with robust thermoplastic material, this MCB provides better protection against external influences, ensuring durability and reliability.
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3. High Calibration TemperatureWith a high calibration temperature of 40°C, the ST202M-D4 reduces derating in ICP applications, making it suitable for demanding environments.
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4. Unique Twin TerminalThe patented twin terminal design allows for easy wiring up to 35 sq-mm with captive screws, simplifying installation and reducing errors.
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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 60898-1, IEC/EN 60947-2, UL 1077, CSA 22.2 No. 235
Tripping Characteristic
D
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. Clear Contact Position IndicationThe ST202M-D4 features clear contact position indication in red/green, providing real-time feedback on the circuit breaker's status, enhancing safety and efficiency.
