S203MT-Z2NA

Name: S203MT-Z2NA
Brand: ABB
SKU: S203MT-Z2NA

The ABB S203MT-Z2NA is a 3+N pole miniature circuit breaker with a 2 A rated current, designed for traction applications. It features high breaking capacities and meets IEC/EN 60947-2 standards, ensuring reliable electrical safety.

Product ModelS203MT-Z2NA

Material Number2CDS273446R0278

Product ID79464

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Breaking CapacitiesThe ABB S203MT-Z2NA offers breaking capacities up to 10 kA at 230/400 V AC, ensuring robust short-circuit protection.
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2. Reliable DesignDesigned for traction applications, this MCB complies with IEC/EN 60947-2 standards, guaranteeing high reliability and safety.
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3. Versatile ConnectivityIt supports various connections including busbar, flexible, and rigid cables, making it versatile for different electrical setups.
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4. Environmental DurabilityOperating within -25°C to +55°C and storage within -40°C to +70°C, this MCB can withstand diverse environmental conditions.
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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)