A Hubbell Company Our Brands Careers Sustainability

Image of Class 8503 Type M Line-Arc® AC Contactors

Image of Class 8503 Type M Line-Arc® AC Contactors

Class 8503 Type M Line-Arc® AC Contactors

Brand: Electric Controller & Mfg. (EC&M)

AC version of our Class 7004 Type M contactor. Ideally suited to control AC mill motors, these contactors are designed especially for heavy industry AC drives, such as cranes and mill auxiliaries. Furnished with a DC operating coil, rectifier blocks are available to supply power for several contactors

Front connected
High strength glass polyester insulating base for steel base mounting
LINE-ARC method of arc extinction for longer tip life
DC operating coil

Resources and downloads

Resources and downloads

Catalogs

Class 8503 AC Contactors Catalog

LINE-ARC Contactors Brochure

Installation Manuals

AC Magnetic Contactor - Class 8503 Type MGO1, 300 A, SPNO, Size NEMA 5, Series A

AC Magnetic Contactor - Class 8503 Type MXDO1, 50 A, SPNO, Size NEMA 2, Series A

AC Magnetic Contactor - Class 8503 Type MEO1, 100 A, SPNO, Size NEMA 3, Series A

AC Magnetic Contactor - Class 8503 Type MFO1, 150 A, SPNO, Size NEMA 4, Series A