device will perform the functions of motor disconnecting means part h motor ... and ground fault protection part d motor controller part g and motor overload ... of a basic frame disconnect switch and contactor rated to switch a motor load of 30hp at ... -in trip modules are available to cover motor loads ranging from fractional hp sizes ... and use of the starter for other motor loads may be as simple as plugging-in a ... fuses or circuit breakers required by other conventional starters plug-in ... coordinated and sealable settings for motor overload and short-circuit trip ... gap between line disconnecting and contactor portions all live parts including ... against damage from fault currents magnetic contactors magnetic starters ... featuring a main disconnect and a contactor the unit can be either panel or rail ...
03/074 contactors selection guide contactors by far the most common application of ... contactors is the control of electrical motors as a prime mover the 3-phase ac motor ... in particular the squirrel-cage motor dominates the field and most of them ... are controlled by contactors contactors are expected to start stop reverse plug ... jog and sequence motors and in conjunction with overload relays ... to protect motors in the event of overloads the load ... to enable the correct selection of contactors to be made but this figure by itself is ... all influence the overall stress on contactors the electrical durability tests of ... contactors outlined in appendix b of iec 60 947-4 ... are used by manufacturers to establish contactor ratings which incorporate a sufficient ...