Allen Bradley Overload Heater Table

Heater element selection the full load amps listed in the tables are to be used for heater element selection. This provides class 20. Thermal overload heaters allen bradley cutler hammer general electric siemens ite square d.

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Allen bradley overload heater table.

Motor flc a thermal unit number max. Allen bradley overload relay heater tables for bulletin 709 509. The trip free mechanism provides overload protection even when the reset button is pressed. Allen bradley heater elements.

Fuse rating a. Southland electrical supply is not an authorized distributor for allen bradley asea brown boveri benshaw bryant bussmann control techniques control technology. A class 20 overload relay will trip in 20 seconds or less at a current equal to 600 percent of its rating. Parts listed below are only a small sample of our extensive.

Allen bradley overload relay heater tables for bulletin 709 509. When used with the proper short circuit protection these relays protect the motor motor controller and power wiring against overheating due to excessive overcurrents. Allen bradley motor starter thermal overload heater units. The old style type n heater elements are used with bulletin 709 motor starters and overload relay blocks.

The rating of the relay in amperes at 40 c is 115 of the full load. Allen bradley standard overload relay protection is provided using type w heater elements for the 500 line. Due to the large volume of heater elements available please call us with your inquiry or view the allen bradley heater tables available on our e commerce site to easily order online anytime. For application regarding class 10 and 30 overload relays consult local allen bradley office.

A class 30 overload relay will trip in 30 seconds or less at a current equal to 600 percent of its rating. Type w heater elements for bulletin 509 starters table 150. Bulletin 592 eutectic alloy overload relays are thermal type devices. 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.