S203MT-K10NA

Name: S203MT-K10NA
Brand: ABB
SKU: S203MT-K10NA

The ABB S203MT-K10NA is a miniature circuit breaker designed for traction and railway applications. It features a current-limiting mechanism, ensuring safe and efficient operation. Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards, it provides reliable protection in harsh environments.

Product ModelS203MT-K10NA

Material Number2CDS273446R0427

Product ID79671

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203MT-K10NA offers robust protection against electrical faults, ensuring the safety of your system.
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2. Current-Limiting MechanismDesigned with a current-limiting mechanism, it prevents damage to your electrical system during short circuits.
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3. Compliance with StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring compatibility with various electrical systems.
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4. Harsh Environment CapabilityBuilt to withstand extreme temperatures and conditions, making it ideal for use in traction and railway applications.
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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)