How do I derate Control Concepts, Inc SCR Power Controllers?
While derating is necessary with most manufacturers controllers, starting at as little as 25 degrees C (room temperature), our controllers are rated at 55 degrees C (130 degrees F). So in most cases, no derating is required. Consider the cost savings: with many controllers, in order to control 120 amps at 55 degree C, you would need to order a 200 amp controller (because of their derating curve). With our controllers, you can order a 120 amp controller and actually control 120 amps.
