S203M-K1.6NA

Name: S203M-K1.6NA
Brand: ABB
SKU: S203M-K1.6NA

The ABB S203M-K1.6NA is a 3-pole miniature circuit breaker designed for reliable protection in various applications. It features a current limiting mechanism and dual tripping mechanisms for both overload and short-circuit protection.

Product ModelS203M-K1.6NA

Material Number2CDS273103R0257

Product ID79301

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable ProtectionThe S203M-K1.6NA provides comprehensive protection against overloads and short circuits, ensuring the safety of your electrical system.
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2. Dual Tripping MechanismsEquipped with both delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, this MCB offers robust safety features.
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3. Versatile ApplicationsSuitable for residential, commercial, and industrial settings, the S203M-K1.6NA is a versatile solution for diverse electrical needs.
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4. High Breaking CapacityWith a breaking capacity of up to 10 kA at 230/400 V AC, this MCB can handle high current surges effectively, ensuring reliable operation under demanding conditions.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Standards

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)