S203M-K40DC

Name: S203M-K40DC
Brand: ABB
SKU: S203M-K40DC

The ABB S203M-K40 miniature circuit breaker is a high-performance, current-limiting device designed for residential, commercial, and industrial applications. It features a 40 A rating, 50/60 Hz frequency, and a 10 kA interrupt rating, ensuring reliable short-circuit protection.

Product ModelS203M-K40DC

Material Number2TAZ112300R1557

Product ID79875

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High PerformanceThe ABB S203M-K40 is designed to provide reliable and efficient operation, making it suitable for a wide range of applications.
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2. Current LimitingThis miniature circuit breaker limits the current during a fault, reducing the risk of damage to the electrical system.
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3. Dual Tripping MechanismsIt features both delayed thermal tripping for overload protection and electromechanical tripping for short-circuit protection, ensuring comprehensive safety.
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4. Versatile ApplicationsSuitable for residential, commercial, and industrial use, the S203M-K40 can be mounted on DIN rail, making it easy to integrate into various electrical systems.
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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

11.28 W

Number of Poles

Product Net Width

52.5 mm

Product Net Height

85 mm