Miniature circuit breaker (MCB), 20A, 2p, B-Char, ACMiniature circuit breaker (MCB) FAZ-NA, 2 pole, Tripping characteristic: B, Rated current In: 20 A, Switchgear for export to North America (UL-listed)
Miniature circuit breaker (MCB), 20A, 2p, B-Char, AC
Miniature circuit breaker (MCB) FAZ-NA, 2 pole, Tripping characteristic: B, Rated current In: 20 A, Switchgear for export to North America (UL-listed)
| Basic function | Miniature circuit-breakers |
| Number of poles | 2 pole |
| Tripping characteristic | B |
| Application | Switchgear for export to North America (UL-listed) |
| Rated current [In] | 20 A |
| Rated switching capacity acc. to IEC/EN 60947-2 [Icu] | 15 kA |
| Product range | FAZ-NA |
| Standards | UL 489, CSA C22.2 No. 5 IEC 60947-2 |
| Rated operational voltage [Ue] [Ue] | 277/480 Y V AC |
| Rated operational voltage [Ue] | 60 V DC |
| Rated voltage according to IEC/EN 60947-2 [Un] | 440 V AC |
| Rated voltage according to UL [Un] | 480Y/277 V AC |
| Rated switching capacity acc. to IEC/EN 60947-2 [Icu] | 15 kA |
| Breaking capacity according to UL | 14 (UL489) kA |
| Characteristic | B, C, D |
| Selectivity Class | 3 |
| lifespan >Lifespan [Operations] |
> 20000 |
| Direction of incoming supply | as required |
| Standard front dimension | 45 mm |
| Enclosure height | 105 mm |
| Mounting width per pole | 17.7 mm |
| Mounting | IEC/EN 60715 top-hat rail |
| Degree of Protection | IP20, IP40 (when fitted) |
| Terminals top and bottom | Twin-purpose terminals |
| Terminal protection | Finger and back-of-hand proof to BGV A2 |
| Tightening torque of fixing screws | max. 2.4 UL: #18-12 AWG: 2.4 Nm (21 lb-in) #10-8 AWG: 2.8 Nm (25 lb-in) #6 AWG: 4 Nm (36 lb-in) N/m |
| Mounting position | As required |
| Rated operational current for specified heat dissipation [In] | 20 A |
| Heat dissipation per pole, current-dependent [Pvid] | 0 W |
| Equipment heat dissipation, current-dependent [Pvid] | 5.8 W |
| Static heat dissipation, non-current-dependent [Pvs] | 0 W |
| Heat dissipation capacity [Pdiss] | 0 W |
| Operating ambient temperature min. | -25 °C |
| Operating ambient temperature max. | +75 °C |
| Release characteristic | linear, per +1 °C, results in a 0.5% reduction of current carrying capacity |
| Number of poles (total) | B |
| Number of protected poles | 2 |
| Rated current | 2 |
| Rated voltage | 20 A |
| Rated insulation voltage Ui | 415 V |
| Rated impulse withstand voltage Uimp | 440 V |
| Rated short-circuit breaking capacity Icn EN 60898 at 230 V | 4 kV |
| Rated short-circuit breaking capacity Icn EN 60898 at 400 V | 0 kA |
| Rated short-circuit breaking capacity Icu IEC 60947-2 at 230 V | 0 kA |
| Rated short-circuit breaking capacity Icu IEC 60947-2 at 400 V | 15 kA |
| Voltage type | 15 kA |
| Frequency | AC |
| Current limiting class | 50 - 60 Hz |
| Suitable for flush-mounted installation | 3 |
| Concurrently switching N-neutral | No |
| Over voltage category | No |
| Pollution degree | 3 |
| Additional equipment possible | 2 |
| Width in number of modular spacings | Yes |
| Built-in depth | 2 |
| Degree of protection (IP) | 70.5 mm |
| Ambient temperature during operating | IP20 |
| Connectable conductor cross section multi-wired | -25 - 75 °C |
| Connectable conductor cross section solid-core | 1 - 25 mm² |
| Product Standards | 1 - 25 mm² |
| UL File No. | IEC/EN 60947-2; UL 489; CSA-C22.2 No. 5-09; CE marking |
| UL Category Control No. | E235139 |
| CSA File No. | DIVQ |
| CSA Class No. | 204453 |
| North America Certification | 1432-01 |
| Specially designed for North America | UL listed, CSA certified |
| Suitable for | Yes, suitable as BCPD |
| Current Limiting Circuit-Breaker | Feeder circuits, branch circuits |
| Max. Voltage Rating | Yes |
| Degree of Protection | ≤ 32 A |
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