"ABB S203MT-D4NA: A reliable miniature circuit breaker for efficient and safe electrical distribution. Ideal for various applications, ensuring high performance and durability."
Product ModelS203MT-D4NA
Material Number2CDS273446R0041
Product ID80639
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable Protection\"The ABB S203MT-D4NA offers reliable protection against electrical overloads and short circuits, ensuring the safety of your equipment and personnel.\"
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2. Efficient Operation\"Designed for efficient operation, this circuit breaker minimizes downtime and maximizes system performance, making it an ideal choice for various applications.\"
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3. High Performance\"With its high-performance design, the ABB S203MT-D4NA ensures consistent and reliable operation, even in demanding electrical environments.\"
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4. Durability\"Built to last, the S203MT-D4NA is constructed with durable materials that withstand the rigors of continuous use, providing long-lasting protection.\"
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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. Versatile Application\"Suitable for a wide range of applications, from residential to industrial settings, the ABB S203MT-D4NA offers versatility and adaptability in electrical distribution systems.\"
