S203-Z8NA

Name: S203-Z8NA
Brand: ABB
SKU: S203-Z8NA

The ABB S203-Z8NA is a miniature circuit breaker designed for low-voltage applications. It features 8A, 4P, and Z-type configurations, providing reliable protection and efficient electrical distribution. Ideal for various industrial and commercial settings, this breaker ensures safe and reliable operation.

Product ModelS203-Z8NA

Material Number2CDS253103R0408

Product ID77945

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Reliable ProtectionThe ABB S203-Z8NA offers robust protection against electrical overloads and short circuits, ensuring the safety of your equipment and personnel.
2
2. Efficient OperationWith its 8A rating, this circuit breaker efficiently manages electrical flow, minimizing energy waste and optimizing system performance.
3
3. Versatile ConfigurationAvailable in 4P (4-pole) and Z-type configurations, the S203-Z8NA is adaptable to various electrical systems, making it a versatile choice for diverse applications.
4
4. Durable DesignConstructed with high-quality materials, the S203-Z8NA is built to withstand harsh environments and prolonged use, ensuring long-lasting reliability.
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 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