Why Choose the ABB S204-D40 Miniature Circuit Breaker?
The ABB S204-D40 is a compact four-pole miniature circuit breaker (MCB) designed to provide reliable overcurrent and short-circuit protection in AC electrical installations. As part of the established ABB System pro M compact S200 series, it provides dependable circuit protection for industrial, commercial and electrical distribution systems.
The S204-D40 combines a D tripping characteristic with a rated current of 40 A and a rated breaking capacity of 6/10 kA. Its four-pole configuration enables multi-pole circuit protection, while the compact modular format supports efficient installation within electrical distribution boards and control panels.
Designed for AC supply applications, the S204-D40 is suitable for circuits where higher inrush currents may occur, including industrial loads and equipment with demanding starting characteristics. Its DIN-rail mounting provides straightforward installation in compatible electrical distribution assemblies.
Key Advantages
- Compact miniature circuit breaker for AC electrical installations.
- 40 A rated current for reliable circuit protection.
- Four-pole configuration for multi-pole circuit protection.
- D tripping characteristic suitable for circuits with higher starting currents.
- 6/10 kA rated breaking capacity for effective short-circuit protection.
- DIN-rail mounting for straightforward installation in distribution boards and control panels.
Key Features
- ABB System pro M compact S200 series.
- 40 A rated current.
- D tripping characteristic.
- Four-pole construction.
- 6/10 kA rated breaking capacity.
- Designed for AC supply applications.
- Compact modular design for electrical distribution systems.
- DIN-rail mounting for convenient panel installation.
Reliable Circuit Protection for Electrical Installations
Miniature circuit breakers such as the ABB S204-D40 provide automatic protection against excessive current and short-circuit conditions. The breaker interrupts the affected circuit when the current reaches the relevant tripping conditions, helping protect electrical equipment, wiring and distribution systems.
The S200 series provides modular circuit protection for a broad range of electrical installations. The S204-D40 combines a D tripping characteristic with four-pole construction and a 40 A rating, providing a practical solution for AC distribution circuits and industrial applications with higher inrush currents.
Typical Applications
- Industrial electrical distribution systems.
- Control panels and automation equipment.
- Electrical machinery and equipment circuits.
- Motors and loads with higher starting currents.
- Building electrical installations.
- Distribution boards and control cabinets requiring four-pole AC circuit protection.
