Description

ABB S 203-D25 Miniature Circuit Breaker

The ABB S 203-D25 is a high-performance Miniature Circuit Breaker (MCB) designed for industrial and commercial applications. It ensures reliable protection against short circuits and overloads, offering high durability and compliance with international standards.

Key Details:

Manufacturer: ABB
Type: Miniature Circuit Breaker
Model: S 203-D25
ID Number: 2CDS 253 001 R0251
EAN Number: 4016779530941

Technical Information:

Rated Operational Voltage: 400 V AC, 12 V AC/DC
Rated Current (In): 25 A
Rated Insulation Voltage (Ui): 440 V
Rated Impulse Withstand Voltage (Uimp): 4 kV
Dielectric Test Voltage: 50/60 Hz, 1 min: 2 kV
Rated Short-Circuit Capacity: 6 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu): (400 V AC) 10 kA
Rated Conditional Short-Circuit Current (Inc): (400 V) 20 kA
Rated Service Short-Circuit Breaking Capacity (Ics): (400 V AC) 7.5 kA
Rated Frequency: 50 / 60 Hz
Power Loss: 9.3 W
Number of Poles: 3
Tightening Torque: 2.8 N·m
Mounting Type: DIN-Rail
Wire Stripping Length: 12.5 mm
Terminal Type: Screw Terminals
Screw Terminal Type: Failsafe Bi-directional Cylinder-lift Terminal
Standards: IEC/EN 60898-1, IEC/EN 60947-2, UL 1077
Pollution Degree: 3
Ambient Air Temperature Operation: -25 to +55 °C
Dimensions: 53 x 88 x 69 mm

Designed for industrial and commercial applications, the ABB S 203-D25 MCB provides reliable protection, compliance with international standards, and ease of installation on a DIN rail system.