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The SCHNEIDER ELECTRIC 9001KR4B is a heavy-duty momentary push-button switch designed for industrial and commercial control panel applications. Rated at 600 volts, it mounts through a 30 mm panel hole and features an extended straight black round button. The unit carries NEMA 1, 2, 3, 3R, 4, 6, 12, and 13 ratings, making it suitable for environments where dusttight, oiltight, and watertight protection is required. Electricians and control panel builders install this switch in motor control centers, machine control stations, and operator interface panels where reliable momentary actuation is needed.
This switch is used in industrial control enclosures, operator stations, and machine panels across light manufacturing, process facilities, and commercial buildings. Its NEMA 4 and NEMA 6 ratings qualify it for washdown and wet-location installations. The 30 mm mounting hole diameter is a widely adopted standard in control station hardware, making it a practical fit for new builds and retrofit work on existing panel cutouts of that size.
Designed as an OEM-style replacement or new-installation push-button switch for 30 mm control station assemblies in industrial and commercial panel applications.
Installation should be performed by a licensed electrician in accordance with NFPA 70 (NEC) requirements for industrial control wiring. De-energize the control panel and verify zero-energy state before removing or installing the switch. Ensure the panel cutout diameter matches the 30 mm mounting requirement before installation. Verify the enclosure NEMA rating matches the environmental demands of the installation location.
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