S203MT-Z50

Name: S203MT-Z50
Brand: ABB
SKU: S203MT-Z50

"ABB S203MT-Z50: High-performance, compact circuit breaker for industrial applications, providing reliable protection against overloads and short circuits. Ideal for traction and railway applications."

Product ModelS203MT-Z50

Material Number2CDS273445R0578

Product ID77938

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Performance\"The ABB S203MT-Z50 circuit breaker offers high performance, ensuring reliable operation even in demanding industrial environments.\"
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2. Compact Design\"Its compact design allows for high installation density, making it perfect for space-constrained applications.\"
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3. Reliable Protection\"Equipped with a delayed thermal tripping mechanism for overload protection and an electro-mechanic tripping mechanism for short circuit protection, providing comprehensive safety.\"
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4. Traction and Railway Applications\"Designed to handle increased rated voltages, making it suitable for traction and railway applications where reliability is crucial.\"
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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

Rated Voltage (Ur)

440 V

Rated Operational Voltage

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)