S203-Z50NA

Name: S203-Z50NA
Brand: ABB
SKU: S203-Z50NA

"ABB's S203M-Z50NA miniature circuit breaker offers reliable protection with its current-limiting design and dual tripping mechanisms. Suitable for various applications, it ensures efficient energy management and meets IEC/EN 60898-1 and IEC/EN 60947-2 standards."

Product ModelS203-Z50NA

Material Number2CDS253103R0578

Product ID78117

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203M-Z50NA features a current-limiting design and dual tripping mechanisms, providing robust protection against overloads and short circuits.
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2. Versatile ApplicationsSuitable for residential, commercial, and industrial settings, this MCB ensures reliable operation in diverse environments.
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3. Energy EfficiencyDesigned to minimize energy loss, the S203M-Z50NA optimizes power consumption while maintaining high performance.
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4. Compliance with StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring compliance with international electrical safety regulations.
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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

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 400 V acc. to IEC 60947-2 440 V AC

Operational Voltage

Maximum (Incl. Tolerance) 440 V AC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV