R619 *Only use specified circuit breakers in PDP/PDH. The only circuit breakers permitted for use in the PDP/PDH are:
A. Snap Action VB3-A Series or AT2-A, terminal style F57, 40A rating or lower,
B. Snap Action MX5-A or MX5-L Series, 40A rating or lower, and
C. REV Robotics ATO auto-resetting breakers 40A rating or lower.