S204M-B20

Name: S204M-B20
Brand: ABB
SKU: S204M-B20

The ABB S204M-B20 is a current-limiting miniature circuit breaker suitable for residential, commercial, and industrial use. It features delayed thermal and electromechanical tripping mechanisms, meeting IEC/EN 60898-1 and IEC/EN 60947-2 standards. Compatible with System pro M compact DIN rail components, it offers flexible application for both DC and AC systems.

Product ModelS204M-B20

Material Number2CDS274001R0205

Product ID80034

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S204M-B20 offers reliable protection against overloads and short circuits with its current-limiting design and dual tripping mechanisms.
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2. Wide Application RangeSuitable for residential, commercial, and industrial applications, this MCB provides flexibility in various low-voltage settings.
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3. Compliance with StandardsMeets IEC/EN 60898-1 and IEC/EN 60947-2 standards, ensuring high-quality performance and safety.
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4. Flexible CompatibilityCompatible with System pro M compact DIN rail components, allowing for easy integration into existing electrical systems.
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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 60898-1 400 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)