S203-Z25

Name: S203-Z25
Brand: ABB
SKU: S203-Z25

Protect your circuits with the ABB S203-Z25, a compact, current-limiting miniature circuit breaker. Ideal for residential and commercial applications, it offers reliable protection against overloads and short-circuits. UL certified for 1077 standards.

Product ModelS203-Z25

Material Number2CDS253001R0518

Product ID77738

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Compact DesignThe ABB S203-Z25 is designed to be compact, making it perfect for space-constrained applications in residential and commercial settings.
2
2. Current LimitingThis miniature circuit breaker is current limiting, which means it can reduce the current during an overload, preventing damage to the circuit and reducing the risk of fire.
3
3. Reliable ProtectionThe S203-Z25 offers reliable protection against overloads and short-circuits, ensuring the safety of people and equipment.
4
4. UL CertifiedThe product is UL certified for 1077 standards, ensuring it meets the highest safety standards in the industry.
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