S203M-Z40DC

Name: S203M-Z40DC
Brand: ABB
SKU: S203M-Z40DC

The ABB S203M-Z40DC is a high-performance miniature circuit breaker for DC applications, offering 10kA short-circuit capacity and 40A rated current. It meets fire-resistant standards (V0 according to UL94) and is suitable for various DC systems.

Product ModelS203M-Z40DC

Material Number2TAZ112300R1558

Product ID79237

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Short-Circuit CapacityThe S203M-Z40DC boasts a robust 10kA short-circuit capacity, ensuring reliable protection against electrical surges in DC systems.
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2. Fire-Resistant DesignWith a fire-resistant V0 rating according to UL94, this circuit breaker provides an additional layer of safety in high-risk environments.
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3. Compact DesignThe miniature design of the S203M-Z40DC makes it ideal for space-constrained applications, allowing for efficient installation and reduced footprint.
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4. Versatile ApplicationSuitable for a wide range of DC applications, including industrial and commercial settings, this circuit breaker offers flexibility and reliability.
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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

Tripping Characteristic

Rated Current (In)

40 A

Power Loss

12.84 W

Number of Poles

Product Net Width

52.5 mm

Product Net Height

85 mm