The 18427 is a molded case circuit breaker designed for industrial applications, conforming to international standards such as IEC 60255. It features three indicator lights and an overload release current setting adjustable between 8 and 32A. The device supports rail mounting and is suitable for use in three-phase AC networks, 400 Hz applications, and DC currents. It is part of the Siemens series and is compatible with systems requiring reliable short-circuit protection and overload management.
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