MidNite's breakers are rated to break the full rated loat at the rated voltage repeatedly, with no damage.  
Always use a properly sized breaker for disconnecting.
MNEPV breakers are the same as CBE QY breakers except hold to a higher standard, suitable for the solar industry.  
Accepts up to #2 wire.
Breaker torque value: 20 In-Lbs (2.3NM)
All MidNite circuit breakers can be used at 100% rated current when mounted in a MidNite enclosure.