S201-K4

Name: S201-K4
Brand: ABB
SKU: S201-K4

The ABB S201-K4 is a miniature circuit breaker designed for supplementary protection. It features a K curve tripping mechanism, a rated current of 4A, and operates at 480Y/277 VAC. UL1077 certified for both DC and AC circuits, this breaker is ideal for residential, commercial, and industrial applications.

Product ModelS201-K4

Material Number2CDS251001R0337

Product ID78143

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S201-K4 provides reliable protection against overloads and short circuits, ensuring the safety of your electrical system.
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2. Efficient OperationWith a K curve tripping mechanism, this circuit breaker efficiently detects and responds to electrical anomalies, minimizing downtime.
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3. Versatile ApplicationSuitable for residential, commercial, and industrial applications, the S201-K4 is versatile and can be used in a variety of settings.
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4. UL1077 CertifiedCertified to UL1077 standards, this breaker is reliable for both DC and AC circuits, providing peace of mind in your electrical installations.
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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 / 400 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 Maximum (Incl. Tolerance) 72 V DC

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)