S201M-B50NA

Name: S201M-B50NA
Brand: ABB
SKU: S201M-B50NA

The ABB S201M-B50NA is a 2-pole miniature circuit breaker with a rated current of 50A, ideal for residential, commercial, and industrial applications. It offers current limiting and two tripping mechanisms for reliable overload and short circuit protection.

Product ModelS201M-B50NA

Material Number2CDS271103R0505

Product ID80929

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Enhanced Safety FeaturesThe S201M-B50NA features two tripping mechanisms: delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, ensuring reliable and safe operation.
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2. Versatile ApplicationsDesigned for residential, commercial, and industrial applications, this miniature circuit breaker can handle a wide range of electrical needs.
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3. Current Limiting TechnologyThe breaker is current limiting, which helps in reducing the risk of damage to the circuit and equipment during short circuits.
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4. Compact DesignWith a compact design, the S201M-B50NA can be easily mounted on DIN rail, saving space in your electrical panel.
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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 CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077

Tripping Characteristic

Rated Operational Voltage

acc. to IEC 60898-1 230 V AC acc. to IEC 60898-1 230 V acc. to IEC 60947-2 230 V AC

Operational Voltage

Maximum (Incl. Tolerance) 253 V AC Minimum 12 V AC Minimum 12 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)