Nec Ocpd Ratings: 430.52(C)(1)
NEC overcurrent protective device (OCPD) ratings — standard ampere ratings for fuses and circuit breakers per Section 240.6(A), motor branch circuit protection per 430.52(C)(1), overload relay sizing per 430.32, and transformer OCPD sizing per 450.3
| nec section | record id | description | device type | max percent of flc | motor type | nec table | standard |
|---|---|---|---|---|---|---|---|
| 430.52(C)(1) | dual_element_time_delay_fuse_2017_ac_polyphase_other_than_wound_rotor_175pct | Motor branch-circuit protection: dual-element time-delay fuse for AC polyphase motors other than wound-rotor — max 175% of full-load current | dual_element_time_delay_fuse | 175 | AC polyphase motors other than wound-rotor | 430.52 | NEC (NFPA 70) 2017 Edition Table 430.52 |
| 430.52(C)(1) | dual_element_time_delay_fuse_2017_dc_constant_voltage_150pct | Motor branch-circuit protection: dual-element time-delay fuse for DC (constant voltage) — max 150% of full-load current | dual_element_time_delay_fuse | 150 | DC (constant voltage) | 430.52 | NEC (NFPA 70) 2017 Edition Table 430.52 |
| 430.52(C)(1) | dual_element_time_delay_fuse_2017_design_b_energy_efficient_175pct | Motor branch-circuit protection: dual-element time-delay fuse for Design B energy-efficient — max 175% of full-load current | dual_element_time_delay_fuse | 175 | Design B energy-efficient | 430.52 | NEC (NFPA 70) 2017 Edition Table 430.52 |
This is a sample. Search the full nec ocpd ratings dataset and 350+ more by creating a free account and accessing the database.
Get started for FREE