Square D Thermal Overload Chart
To see a full list of the tables please visit pages 25 through 42 of the square d e catalog.
Square d thermal overload chart. To see the square d thermal selection chart please visit pages 21 22 of the square d e catalog. Abb cutler hammer general electric siemens ite square d telemechanique westinghouse thermal overload heaters allen bradley cutler hammer general electric siemens ite square d westinghouse. The control circuit contact must be wired in series with the coil of the contactor so that the contactor will de energize when an overload occurs.
To help the technician to protect their motors with an accurate motor selection guide. Overload relay has no power contacts and cannot disconnect the motor by itself. Square d manufactures three types of overload relays the melting alloy the bimetallic and solid state.
Cutler hammer f t motor overload wiring diagrams diagram motor starters and contactors lo w v o allen bradley heater element chart square d thermal unit 38 2 to 50 0 allen bradley overload chart trinitysquare d manual motor starter heater chartrunnig overcur protection electric equipmentwestinghouse thermal overload heater chart trinitymotor starter selection chart trinitysquare. One page can be cut and folded to be used as a pocket guide. It is in to pages.
H type a thermal units for full load currents lower than those listed in this table are available.