S203M-C2NA

Name: S203M-C2NA
Brand: ABB
SKU: S203M-C2NA

The ABB S203M-C2NA miniature circuit breaker provides reliable protection with current-limiting design, delayed thermal and electromechanical tripping mechanisms, and compliance with IEC/EN 60898-1 and IEC/EN 60947-2 standards. Suitable for residential, commercial, and industrial use.

Product ModelS203M-C2NA

Material Number2CDS273103R0024

Product ID79833

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable Protection MechanismsThe S203M-C2NA features two tripping mechanisms: delayed thermal for overload protection and electromechanical for short circuit protection, ensuring reliable operation in various conditions.
2
2. Compliance with International StandardsThis MCB complies with IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for residential, commercial, and industrial applications.
3
3. High Breaking CapacityWith a breaking capacity of up to 10 kA at 230/400 V AC, the S203M-C2NA provides robust short-circuit protection.
4
4. Compact DesignThe compact design allows for efficient use of space, with a bottom-fitting auxiliary contact that can be mounted to save 50% space.
5

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)