Question:
Can I use a manual motor starter as a disconnect switch for maintenance purposes?
Arrancadores de motor manual y el cumplimiento de la OSHA
Arrancadores de motor manual puede ser instalado en aplicaciones de motor de grupo para protegerse de sobrecargas, cortocircuitos y otros problemas. Arrancadores de motor manual se utilizan para una variedad de dispositivos, incluidas las máquinas herramientas, bombas y compresores. Si usted está considerando la instalación de un arrancador de motor manual, es importante saber que existen normas de seguridad que afectan a su funcionamiento. ¿Sabía usted que el uso de arrancadores de motor manual como un interruptor de desconexión para el mantenimiento eléctrico no está permitido en virtud de las orientaciones publicadas por la OSHA?
Al hacer el mantenimiento eléctrico en un dispositivo usando un arrancador de motor manual como un interruptor de desconexión,
hay una posibilidad de fallo del controlador. Manual de controladores de motor y de los circuitos de arranque de motor están obligados a tener aprobado un sistema de desconexión que controla todos los conductores en la fuente de alimentación. Según OSHA, simplemente cambiando el interruptor de arranque del motor en OFF no es un método aceptable
para el cierre de un sistema - que no es garantía de que una máquina se
apagado y sin corriente antes de que los trabajos de reparación.
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| Carma Spence-Pothitt |
