S203M-K20DC

Name: S203M-K20DC
Brand: ABB
SKU: S203M-K20DC

The ABB SU203M-K20 is a high-performance miniature circuit breaker, offering reliable branch circuit protection with a 20A current rating, 3-pole configuration, and K-curve trip type. Suitable for residential, commercial, and industrial applications, it ensures safe and efficient electrical distribution[1][4].

Product ModelS203M-K20DC

Material Number2TAZ112300R1487

Product ID79397

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High PerformanceThe ABB SU203M-K20 is designed to provide superior circuit protection, ensuring the safety and efficiency of your electrical system.
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2. Compact DesignWith dimensions of 69 mm L x 52.5 mm W x 111 mm H, this circuit breaker is compact and easy to install in various electrical distribution boards.
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3. Multi-FunctionalFeaturing a 3-pole configuration, it offers simultaneous protection for all three phases of the electrical system, making it versatile for different applications.
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4. Finger-Safe TerminalsThe circuit breaker is equipped with finger-safe and multi-function terminals, ensuring safe handling and easy operation.
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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)

20 A

Power Loss

9.21 W

Number of Poles

Product Net Width

52.5 mm

Product Net Height

85 mm