Allen bradley heater element chart. Allen bradley type w. Since 300 is closer to 309 specify the w64 heater element. Consult local allen bradley office. Type w heater elements for bulletin 509 starters table 150.
Specific applications may require class 10 or class 30 overload relays. Starter lower than 40 0c motor higher3 phase. The rating of the relay in amperes at 40 c is 115 of the full load amps listed for the heater type no. Allen bradley parts southland electric carries an extensive supply of allen bradley replacement heater elements for all applications.
We have extensive allen bradley heater tables available on our e commerce site to help you determine the exact heater you require. The value of 309 a falls between 300 a w64 and 325 a w66. 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. 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.
P30 allen bradley p series thermal overload heater element type p rated for 603 full load amps suitable for use with thermal overload relays magnetic motor starters motor controls. Allen bradley heater chart w. Motor starters are designed to handle the full load motor currents and their heaters are sized to protect a motor with a particular horsepower rating. Type n heater elements for bulletin 709 starters table 17.
The old style type n heater elements are used with bulletin 709 motor starters and overload relay blocks. Heater element specifications for application on bulletin 1005006091200 line starters for bulletin 512 size 2 again refer to table 153. The heater will cause the motor starter to trip if the rated current is exceeded over a period of time and while the starter is rated for the motor current or higher the heater must be sized to exactly match the motor.