S203M-B16NA

Name: S203M-B16NA
Brand: ABB
SKU: S203M-B16NA

The ABB S203M-B16NA is a compact, current-limiting miniature circuit breaker suitable for 16 A, 3P, and B characteristic applications. It ensures reliable protection against overloads and short circuits, making it ideal for a wide range of electrical systems.

Product ModelS203M-B16NA

Material Number2CDS273103R0165

Product ID77954

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Dual Tripping MechanismsThe S203M-B16NA features two tripping mechanisms: delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, ensuring comprehensive safety.
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2. Compact DesignWith a compact design, this circuit breaker fits easily into any electrical panel, saving space without compromising on performance.
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3. High Breaking CapacityIt has a high breaking capacity of up to 10 kA at 230/400 V AC, making it suitable for a variety of applications, from residential to industrial settings.
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4. Compliance with International StandardsThe S203M-B16NA complies with IEC/EN 60898-1 and IEC/EN 60947-2, ensuring it meets the highest standards for safety and performance in electrical distribution.

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)