As Zog said, more info is needed.Where can I find time curves for CH and Square D OL relays.
Finding the FLA charts for sizing was not hard , but can't find the curves.
As Zog said, more info is needed.
But, there is almost no reason to look at the actual trip curve of an interchangeable 'thermal unit' for an overload relay.
I am timing various thermal units for GE,CH, and D starters. I have been successful in finding the motor full load current for these heaters. The customer is requesting to see the time curves for each ol relay to ensure my times are in range.Outside of GE, I haven't had any success in finding the curves I need. Any hints?