S201-K4NA

Name: S201-K4NA
Brand: ABB
SKU: S201-K4NA

The ABB S201-K4NA miniature circuit breaker offers reliable protection with current limiting and fast breaking time. Suitable for inductive loads, it ensures safe operation of motors and transformers.

Product ModelS201-K4NA

Material Number2CDS251103R0337

Product ID110534

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Current LimitingThe S201-K4NA features current limiting, which helps in reducing the risk of electrical overloads and ensuring the safety of your equipment.
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2. Fast Breaking TimeWith a fast breaking time of 2.5-3.5 milliseconds, this circuit breaker quickly interrupts electrical currents in case of a fault, minimizing damage to your system.
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3. Unique Bus Connection SystemThe device boasts a unique bus connection system, making it easy to integrate into your electrical setup and ensuring a secure connection.
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4. Wide Range of AccessoriesThe S201-K4NA is available with a variety of accessories, allowing you to customize the device to fit your specific needs and applications.
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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 60898-1 230 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

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