S203M-C63NA

Name: S203M-C63NA
Brand: ABB
SKU: S203M-C63NA

The ABB S203M-C63NA miniature circuit breaker offers robust protection for DC and AC applications, with current limiting and dual tripping mechanisms for safe and efficient operation.

Product ModelS203M-C63NA

Material Number2CDS273103R0634

Product ID80351

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Feature1. Reliable Protection The ABB S203M-C63NA provides reliable protection against overcurrents and short circuits, ensuring the safety of your electrical system.
2
Feature2. Dual Tripping Mechanisms Equipped with both delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection, this MCB offers comprehensive safety.
3
Feature3. Versatile Application Suitable for a wide range of applications, including residential, commercial, and industrial use, making it a versatile solution for various electrical needs.
4
Feature4. Current Limiting The current limiting feature helps in reducing the impact of short circuits, minimizing damage to the electrical system and ensuring a faster recovery time.

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)