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The Phoenix Contact 0903032 is an electronic miniature circuit-breaker designed for selective protection of 24V DC load circuits. It features a solid-state design with active electronic current limitation for short circuits and an overload shutdown function starting from 1.1 times the nominal current.
This circuit-breaker can handle capacitive loads up to 20,000 µF, ensuring reliable operation during switch-on. It provides clear signaling through an LED and status output, and can be reset manually via a slide switch or electronically. The device has a compact design width of 12.5 mm and is designed for easy mounting onto NS 35 DIN rails using screw connections.
Key features include selective load protection with an electronic shutdown characteristic curve, active current limitation, and a nominal current of 1A. It is suitable for applications requiring fast reaction to overloads and short circuits, protecting power supply units effectively. The modular design allows for straightforward wiring using power rails and plug-in bridges.
The nominal current rating is 1A.
The operating voltage is 24V DC.
It is a solid-state electronic miniature circuit-breaker.
It features active electronic current limitation for short circuits and an overload shutdown function from 1.1 times the nominal current.
It can support capacitive loads of up to 20,000 µF.
It can be reset manually using the slide switch or electronically via the reset input.
It is designed for DIN rail mounting.