Phoenix CBM E4 24DC/0.5-10A NO-R-electronic equipment circuit breaker 2905743, multi-channel electronic equipment circuit breaker, with active current limit, can protect four loads (24V DC) in the case of overload and short circuit. With rated current assistant and electronic lock for setting rated current. Mounted on a DIN rail.
| Product Type | Equipment circuit breaker |
| product series | CBM |
| type | rail mounting module, monolithic |
| Bits | 1 |
| Channels | 4 |
| insulation characteristics | |
| protection level | III |
| pollution level | 2 |
| Overview | |
| working voltage | 18V DC ... 30V DC |
| Rated voltage | 24V DC |
| Nominal operating current IN | max. 40 A DC |
| Nominal operating current IN | 0.5 / 1 / 2 / 4/6/10 A DC (each output channel is adjustable) |
| Rated current (pre-adjusted) | 0.5 A |
| Rated overvoltage | 0.5 kV |
| Breaking method | E (Electronic) |
| feedback resistance | Max 35V DC |
| required spare fuse | only in I of the power supplymax> Short circuit switching capacity when required. Built-in fail-safe element. |
| Short-circuit switch capacity | 300 A |
| dielectric strength | 30V DC max (load circuit) |
| Active Current Limit | Typical 2.0 x IN(0.5 - 1 A) |
| Typical 1.5 x IN(2 - 10 A) | |
| Fuse | electronic |
| efficiency | > 99% |
| closed-circuit current I0 | Typical 42 mA |
| power consumption | 1W (no load operation) |
| 9W (normal operation) | |
| Module Initialization Time | 3.3 s |
| wait time after closing a channel | 10 s (overload/short circuit) |
| Measurement Tolerance I | Typical 40% (0.5 A ... 1 A) |
| Typical 10% (2 A ... 10 A) | |
| temperature attenuation | 40 A DC (at 70°C (65°C UL 2367)) |
| MTBF (IEC 61709, SN 29500) | 2001962 h (at 25°C) |
| 1292135 h (at 40°C) | |
| 653352 h (at 60°C) | |
| fail-safe components | 15 A DC (per output channel) |
| Contact Type | without electrical isolation |
| Load Circuit | |
| Downtime | 0.02 s (> 1.3 x IN) |
| 30 s (1.1 ... 1.3 x IN) | |
| undervoltage shutdown | ≤ 17.8V DC (active) |
| ≥ 19V DC (passive) | |
| Overvoltage shutdown | ≥ 30.5V DC (active) |
| ≤ 29.5V DC (passive) | |
| Maximum capacitive load | 75000 & micro;F (24V DC, per channel) |
| impact suppression | 0.1 s (per output channel) |
| Reset | |
| Input Voltage Range | 7V DC ... 30V DC (using falling edge reset) |
| power consumption | Typical 0.4 mA (24V DC) |
| pulse length | ≥ 50 ms (high signal) |
| ≥ 50 ms (low signal) | |
| voltage | < 5V DC (low signal) |
| > 8V DC (high signal) | |
| Status Output | |
| output voltage | 24V DC |
| output current | maximum 20 mA (at least one channel when I > 80%) |
| indicator/remote signaling | |
| Connection Name | remote signaling alarm circuit |
| switching function | N/O contacts |
| Nominal operating voltage | 0V DC ... 30V DC |
| operating current | 1 mA DC ... 100 mA DC |
| main circuit IN + | |
| Connection Mode | in-line connection |
| stripping length | 18mm |
| Rigid conductor cross section | 0.75 mm² ... 16 mm² |
| Connectable Guide Cross Section AWG | 20 ... 4 |
| Flexible conductor cross-section, with sleeve, with plastic insulation sleeve | 0.75 mm² ... 10 mm² |
| flexible conductor cross-section with cold press head without insulation sleeve | 0.75 mm² ... 16 mm² |
Phoenix CBM E4 24DC/0.5-10A NO-R-Electronics Circuit Breaker 2905743
Created on：2025-07-04 09:00
