S203MT-Z3NA

Name: S203MT-Z3NA
Brand: ABB
SKU: S203MT-Z3NA

The ABB S203MT-Z3NA is a miniature circuit breaker offering 3A, 3P, and 10kA protection. It is designed for various applications, ensuring safe and efficient electrical distribution.

Product ModelS203MT-Z3NA

Material Number2CDS273446R0318

Product ID80432

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S203MT-Z3NA provides robust 10kA protection, ensuring your electrical system is safeguarded against high current surges.
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2. Compact DesignWith dimensions of 17.5 x 69 x 88 mm, this circuit breaker is compact and easy to install in a variety of settings.
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3. Thermal Magnetic TripEquipped with a thermal magnetic trip mechanism, the S203MT-Z3NA offers reliable and efficient overcurrent protection.
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4. Versatile ApplicationsSuitable for various applications, including industrial and commercial settings, this circuit breaker is versatile and reliable.
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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)