S204-B50

Name: S204-B50
Brand: ABB
SKU: S204-B50

The ABB S204-B50 is a 4-pole miniature circuit breaker rated for 50A, 480V, and 480Y/277VAC. UL1077 recognized and DIN mountable, it provides reliable protection for various industrial applications.

Product ModelS204-B50

Material Number2CDS254001R0505

Product ID79122

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe ABB S204-B50 offers robust electrical protection, ensuring the safety of your equipment and personnel in industrial settings.
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2. High RatingWith a rating of 50A, 480V, and 480Y/277VAC, this circuit breaker is designed to handle high electrical demands, making it suitable for a wide range of applications.
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3. UL1077 RecognitionThe S204-B50 is UL1077 recognized, indicating its compliance with stringent safety standards, providing you with peace of mind in your electrical installations.
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4. DIN MountableThe compact design of the S204-B50 allows for easy installation using DIN mounting, making it a versatile option for various industrial configurations.
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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 60898-1 400 V AC acc. to IEC 60898-1 400 V acc. to IEC 60947-2 440 V AC

Operational Voltage

Maximum (Incl. Tolerance) 440 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)