S203-K3NA

Name: S203-K3NA
Brand: ABB
SKU: S203-K3NA

"ABB S203-K3NA System pro M compact miniature circuit breaker offers reliable protection with current limiting and delayed thermal tripping mechanisms, ideal for industrial automation applications."

Product ModelS203-K3NA

Material Number2CDS253103R0317

Product ID80205

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Protection\"The ABB S203-K3NA provides reliable protection against electrical overloads and short circuits, ensuring the safety of your industrial equipment.\"
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2. Current Limiting Mechanism\"Equipped with a current limiting mechanism, the S203-K3NA minimizes damage to equipment during fault conditions, reducing downtime and maintenance costs.\"
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3. Delayed Thermal Tripping\"Featuring delayed thermal tripping, this circuit breaker allows for temporary overloads while preventing long-term damage, enhancing system reliability.\"
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4. Compact Design\"The compact design of the S203-K3NA makes it easy to integrate into various industrial automation systems, saving space and improving overall efficiency.\"

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

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 440 V

Rated Impulse Withstand Voltage (Uimp)

4 kV at 2000 m 5 kV at Sea Level 6.2 kV