S203MT-K5

Name: S203MT-K5
Brand: ABB
SKU: S203MT-K5

The ABB S203MT-K5 is a 3-phase miniature circuit breaker with a 5A rating, offering reliable protection and high performance. Suitable for various applications, it ensures durability and efficiency.

Product ModelS203MT-K5

Material Number2CDS273445R0357

Product ID80107

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203MT-K5 provides reliable 3-phase protection, ensuring the safety of your electrical system.
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2. High PerformanceDesigned for high-performance applications, this circuit breaker delivers consistent and efficient operation.
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3. DurabilityConstructed with durable materials, the S203MT-K5 withstands harsh environmental conditions, including extreme temperatures and vibrations.
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4. Versatile UsageSuitable for a wide range of applications, from industrial settings to residential use, this circuit breaker is versatile and adaptable.
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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)