S203-K6NA

Name: S203-K6NA
Brand: ABB
SKU: S203-K6NA

"ABB's S203-K6NA miniature circuit breaker offers reliable protection with failsafe bi-directional cylinder-lift terminals. It features current limiting and delayed thermal tripping mechanisms, ensuring your electrical system's safety and efficiency."

Product ModelS203-K6NA

Material Number2CDS253103R0377

Product ID80359

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable Protection\"The ABB S203-K6NA provides dependable protection for your electrical system, ensuring safety and efficiency with its failsafe bi-directional cylinder-lift terminals.\"
2
2. Current Limiting Mechanism\"Equipped with a current limiting mechanism, this circuit breaker helps prevent damage to your system by limiting the flow of electrical current.\"
3
3. Delayed Thermal Tripping\"Featuring delayed thermal tripping, the S203-K6NA allows for controlled shutdowns, reducing the risk of electrical shocks and system damage.\"
4
4. High Interrupting Rating\"With an interrupting rating of 6 kA (DC) and 10 kA, this circuit breaker can handle high electrical currents, ensuring your system remains operational under stress.\"

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