B/W Magnetic Contactors are compact, high capacity devices designed for use in a wide range of industrial applications requiring small, ruggedly built controls capable of providing reliable, long-life, trouble-free performance under adverse operating conditions. Our contactors are available in the standard horsepower and ampere rated units. They can be supplied up to four poles-either normally open, normally closed, or any combination desired.  The Class 54-C horsepower rated devices are highly recommended for machine tool control.  The Class 54-R Reversing Contactors provide reliable, high capacity reversing control for use in electric hoists and many other industrial applications.