Nec Ocpd Ratings: 430.52(C)(1)#instantaneous_trip_breaker#ac_squirrel_cage_design_b
NEC Section 240.6(A) standard overcurrent protective device (OCPD) ratings — standard ampere ratings for fuses and circuit breakers
| nec section | rating amp | description | device type | motor type | notes |
|---|---|---|---|---|---|
| 430.52(C)(1)#instantaneous_trip_breaker#ac_squirrel_cage_design_b | 1,100 | Maximum OCPD for motor branch circuit — % of motor FLC | instantaneous_trip_breaker | ac_squirrel_cage_design_b | Instantaneous trip breaker at 1100% FLC for Design B energy-efficient motors (higher than standard 800% due to higher starting current) |
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240.6(A)3 rows240.86#arc_fault_circuit_interrupter#2 rows430.52(C)(1)#dual_element_time_delay_fuse#ac_squirrel_cage_design_b1 row430.52(C)(1)#dual_element_time_delay_fuse#ac_squirrel_cage_other1 row430.52(C)(1)#dual_element_time_delay_fuse#dc_constant_voltage1 row430.52(C)(1)#dual_element_time_delay_fuse#single_phase1 row430.52(C)(1)#dual_element_time_delay_fuse#synchronous1 row430.52(C)(1)#dual_element_time_delay_fuse#wound_rotor1 row430.52(C)(1)#instantaneous_trip_breaker#ac_squirrel_cage_other1 row430.52(C)(1)#instantaneous_trip_breaker#dc_constant_voltage1 row430.52(C)(1)#instantaneous_trip_breaker#single_phase1 row430.52(C)(1)#instantaneous_trip_breaker#synchronous1 row