Overload Heater Size Chart

Overload Heater Size Chart – Between the listed “full load amps.“, select the “heater type no.” with the higher value. 9065ct9701 overload relays and thermal units catalog table of contents. Heater selection — type a and b. Ge nema cr306 & cr386 magnetic starters.

The table below should be used to determine which column of motor full load amperes applies for heater selection. It is necessary to use the chart that corresponds to the particular type of overload relay. Heater table number is found in the column under the. 57 rows compensated overload relay:

Overload Heater Size Chart

The type a thermal overload relay (olr) is a bimetallic device which, with the properly selected wire and heaters, will provide motor protection for running and stalled rotor. Not all charts present the information in the same manner. Choose the proper table using the.

The type a thermal overload relay (olr) is a bimetallic device which, with the properly selected wire and heaters, will provide motor protection for running and stalled rotor. Type of protection heaters selected directly from the table provide a maximum of 125% protection at 40 °c degree ambient, is suitable for motors. Overload relay heater tables tables 291, 292, 293, 294 trip amps table 291 table 292 table 293 table 294 size fla 25, 30 40 50,60 heater code size fla 25, 30 40 50,60.

Full load current of motor (amps) size 5 (with 300/5 current. Under overload conditions, the heat causes a special solder to melt allowing a ratchet wheel to spin free thus opening the control circuit contacts. Select in order, the base catalog number, the nema type of.

Be sure to read the instructions. Heater (one heater per part number) open starter: Selection instructions to select the proper heater follow the steps below:

Ge Overload Heater Selection Chart Kemele