Miniature circuit breaker (MCB), 40A, 1p, C-Char, DC currentMiniature circuit breaker (MCB) FAZ-DC, 1 pole, Tripping characteristic: C, Rated current In: 40 A, Switchgear for DC applications
Miniature circuit breaker (MCB), 40A, 1p, C-Char, DC current
Miniature circuit breaker (MCB) FAZ-DC, 1 pole, Tripping characteristic: C, Rated current In: 40 A, Switchgear for DC applications
| Basic function | Miniature circuit-breakers |
| Number of poles | 1 pole |
| Tripping characteristic | C |
| Application | Switchgear for DC applications |
| Rated current [In] | 40 A |
| Rated switching capacity acc. to IEC/EN 60947-2 [Icu] | 10 kA |
| Product range | FAZ-DC |
| Standards | IEC/EN 60947-2 |
| Rated operational voltage [Ue] | 250 (per pole) V DC |
| Rated switching capacity acc. to IEC/EN 60947-2 [Icu] | 10 kA |
| Characteristic | C |
| Max. back-up fuse | 100 A gL/gG |
| Selectivity Class | 3 |
| lifespan >Lifespan [Operations] |
> 10000 |
| Direction of incoming supply | Polarity dependent |
| Standard front dimension | 45 mm |
| Enclosure height | 80 mm |
| Mounting width per pole | 17.5 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 |
| Terminal capacities | 1 x 25 mm2 |
| Terminal capacities | 2 x 10 mm2 |
| Thickness of busbar material | 0.8 … 2 mm |
| Mounting position | As required |
| Rated operational current for specified heat dissipation [In] | 40 A |
| Heat dissipation per pole, current-dependent [Pvid] | 0 W |
| Equipment heat dissipation, current-dependent [Pvid] | 3.4 W |
| Static heat dissipation, non-current-dependent [Pvs] | 0 W |
| Heat dissipation capacity [Pdiss] | 0 W |
| Operating ambient temperature min. | -40 °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) | C |
| Number of protected poles | 1 |
| Rated current | 1 |
| Rated voltage | 40 A |
| Rated insulation voltage Ui | 250 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 | 10 kA |
| Voltage type | 10 kA |
| Frequency | DC |
| 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 | 1 |
| 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 |
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