Why Choose the ABB S302P-D4 Miniature Circuit Breaker?
The ABB S302P-D4 is a compact and reliable miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in electrical installations. As part of the ABB System pro M compact S300P series, it combines a D tripping characteristic with a high 25 kA rated breaking capacity for dependable circuit protection.
The S302P-D4 features a 2P configuration with no neutral pole, providing two protected poles within the circuit arrangement. Its thermal-magnetic overcurrent protection and compact modular construction make it suitable for professional electrical distribution, control panels and equipment installations.
With a 4 A rated current, D tripping characteristic and 25 kA rated breaking capacity, the S302P-D4 is designed for circuits requiring reliable overload and short-circuit protection where higher starting or inrush currents may occur. DIN-rail mounting supports straightforward integration into suitable distribution boards and electrical assemblies.
Key Advantages
- Compact 2P miniature circuit breaker with no neutral pole.
- 4 A rated current for low-current circuit protection applications.
- D tripping characteristic suitable for circuits with higher starting and inrush currents.
- 25 kA rated breaking capacity for dependable short-circuit protection.
- Two-pole configuration for suitable two-pole circuit protection arrangements.
- DIN-rail mounting for convenient installation in distribution and control equipment.
- Designed to protect electrical circuits against overloads and short circuits.
Key Features
- ABB System pro M compact S300P series.
- S302P-D4 2P configuration.
- 4 A rated current.
- D tripping characteristic.
- 25 kA rated breaking capacity.
- No neutral pole.
- Thermal-magnetic overcurrent protection.
- DIN-rail mounting design.
- Screw terminal connections.
- Suitable for AC supply applications.
- Compact modular construction for electrical distribution equipment.
Reliable Overcurrent Protection
The ABB S302P-D4 combines thermal and magnetic protection to disconnect a circuit when excessive current conditions occur. The thermal mechanism responds to sustained overload conditions, while the magnetic protection provides rapid interruption during short-circuit events.
The D tripping characteristic is designed for circuits experiencing higher starting or inrush currents, making this S300P configuration suitable for selected electrical equipment and circuits where such transient currents can occur. Its 2P configuration provides protection across two circuit poles without a neutral pole.
Typical Applications
- Industrial and commercial electrical distribution systems.
- Control circuits and control panels.
- Industrial automation installations.
- Machinery and manufacturing equipment.
- Low-current electrical circuits with higher starting or inrush currents.
- Switchboards and distribution assemblies.
- OEM machinery and professional electrical installations.
