Type n heater elements for bulletin 709 starters table 17.
Allen bradley heater element chart.
Allen bradley standard overload relay protection using either type n or w heater elements provide class 20 operation and are recommended for general application.
The last step is to refer to the suggested heater element table and pick the element whose rating for the given controller size is closest to flc.
This provides class 20.
Specific applications may require class 10 or class 30 overload relays.
The old style type n heater elements are used with bulletin 709 motor starters and overload relay blocks.
Allen bradley heater element chart.
Allen bradley overload relay heater tables for bulletin 709 509.
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Sizing heater elements for motor starters.
By eva june 4 2016.
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Class 10 overload relays are often used with.
Type w heater elements for bulletin 509 starters table 150.
Allen bradley type w.
0 18 0 20 0 22 0 24 0 26.
The allen bradley heater tables below are two of the most common used for sizing standard overload relay protection for type n and type w heater elements.
Examples to become familiar with this heater element selection.
Allen bradley standard overload relay protection is provided using type w heater elements for the 500 line.