S203MT-C50

Name: S203MT-C50
Brand: ABB
SKU: S203MT-C50

"ABB S203MT-C50 miniature circuit breaker offers high performance and safety with delayed thermal and electro-mechanic tripping mechanisms. DIN rail mount, twin terminal with captive screws, and suitable for traction and railway applications."

Product ModelS203MT-C50

Material Number2CDS273445R0504

Product ID78850

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Performance\"The ABB S203MT-C50 is designed to handle increased rated voltages, making it ideal for traction and railway applications where reliability is crucial.\"
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2. Dual Tripping Mechanisms\"Equipped with both delayed thermal tripping for overload protection and electro-mechanic tripping for short circuit protection, ensuring comprehensive safety.\"
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3. DIN Rail Mounting\"Conveniently mountable on DIN rails, the S203MT-C50 offers easy installation and space-saving design.\"
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4. Unique Twin Terminal\"Features a patented twin terminal with captive screws, providing secure connections and easy maintenance.\"
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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 60898-1 400 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)