Circuit-breaker; 80 A_x; 3p; Type B characteristicmMCT miniature circuit-breaker, 3 pole, trip type: B, rated operational current In: 80 A, rated switching capacity according to IEC/EN 60898-1:, switchgear for industrial applications and raised non-residential installations
Circuit-breaker; 80 A_x; 3p; Type B characteristic
mMCT miniature circuit-breaker, 3 pole, trip type: B, rated operational current In: 80 A, rated switching capacity according to IEC/EN 60898-1:, switchgear for industrial applications and raised non-residential installations
| Basic function | Miniature circuit-breakers |
| Number of poles | 3 pole |
| Tripping characteristic | B |
| Application | Switchgear for industrial and advanced commercial applications |
| Rated current [In] | 80 A |
| Rated switching capacity acc. to IEC/EN 60947-2 [Icu] | 20 kA |
| Product range | mMCT |
| Rated switching capacity acc. to IEC/EN 60947-2 [Icu] | 20 kA |
| Rated insulation voltage [Ui ] | 440 V |
| Rated impulse withstand voltage [Uimp] | 4 kV |
| lifespan >Electrical [Operations] |
≧ 10000 |
| lifespan >Mechanical [Operations] |
≧ 20000 |
| Auxiliary switch for subsequent installation | ZP-IHK 286052 |
| Tripping signal contact for subsequent installation | ZP-NHK 248437 |
| Switching interlock | Z-IS/SPE-1TE 274418 |
| Standard front dimension | 45 mm |
| Device height | 80 mm |
| Mounting | Quick attachment with 3 latch positions for top-hat rail IEC/EN 60715 |
| Degree of Protection | IP20 |
| Thickness of busbar material | 0.8 - 2 mm |
| Rated operational current for specified heat dissipation [In] | 80 A |
| Heat dissipation per pole, current-dependent [Pvid] | 0 W |
| Equipment heat dissipation, current-dependent [Pvid] | 7.1 W |
| Static heat dissipation, non-current-dependent [Pvs] | 0 W |
| Heat dissipation capacity [Pdiss] | 0 W |
| Operating ambient temperature min. | -30 °C |
| Operating ambient temperature max. | +55 °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 | 3 |
| Rated current | 3 |
| Rated voltage | 80 A |
| Rated insulation voltage Ui | 400 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 | 20 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 | 4.5 |
| Degree of protection (IP) | 75 mm |
| Ambient temperature during operating | IP20 |
| Connectable conductor cross section multi-wired | -25 - 55 °C |
| Connectable conductor cross section solid-core | 2.5 - 50 mm² |
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