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The 7277 series circuit breaker is physically and electrically identical to the 7274-2 style circuit breaker
Bombardier
Easy to use and faster to tune
• Hybrid LCD/LED display for optimal readability in all conditions
The light resistance of the resins used is not affected
an310_3202 Thread Size:10-32 The 7277 series circuit breakerFabricated from steel and cadmium plated per QQ P 416A, Type II, Class 3. AN310 castle nuts are used with drilled shank bolts, clevis bolts, eye bolts and studs. The slots in the nut accommodate a cotter pin for safety purposes. The thinner AN320 castellated shear nut, with half the tensile rating of the AN310 nut, is used with clevis bolts and threaded taper pins which are subject to shearing stress only.
