Phoenix PTCB E1 24DC/8A NO-electronic equipment circuit breaker 2909910, single-channel electronic circuit breaker, used to protect 24V DC loads in the event of overload and short circuit. Potential distribution can be easily achieved with CLIPLINE complete terminal subsystem components. Fixed rated current. For DIN rail mounting.
| Product Type | Equipment circuit breaker |
| Product Series | PTCB |
| type | rail mounting module, monolithic |
| Bits | 1 |
| Channels | 1 |
| insulation characteristics | |
| protection level | III |
| pollution level | 2 |
| Overview | |
| working voltage | 18V DC ... 30V DC |
| Rated voltage | 24V DC |
| Nominal operating current IN | 24 A DC (total current inlet) |
| 8 A DC (rated current output) | |
| Rated current (pre-adjusted) | 8 A |
| Rated overvoltage | 0.5 kV |
| Breaking method | E (Electronic) |
| feedback resistance | Max 35V DC |
| 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 | Max 35V DC (load circuit) |
| Fuse | electronic |
| efficiency | > 99% |
| closed-circuit current I0 | Typical 12 mA |
| power consumption | Typical 0.3W (no load operation) |
| < 1.6W (normal operation) | |
| Module Initialization Time | < 0.55 s |
| wait time after closing a channel | 5 s (overload/short circuit) |
| Measurement Tolerance I | ± 15% |
| temperature attenuation | 21 A (total current at 60 C) |
| 24 A (total current at 50 C) | |
| 7 A (channel current at 60 C) | |
| 8 A (channel current at 50 C) | |
| MTBF (IEC 61709, SN 29500) | 25641025 h (25°C, 21% load) |
| 10989010 h (40°C at 34.25% load) | |
| 1149425 h (at 100% load at 55°C) | |
| voltage drop | 0.13V (at 8 A) |
| fail-safe components | 15 A DC |
| Contact Type | without electrical isolation |
| Load Circuit | |
| Downtime | ≤ 10 ms (for short circuit> 2.0 x IN) |
| 1 s (1.2 ... 2.0 x IN) | |
| undervoltage shutdown | ≤ 17.8V DC (active) |
| ≥ 18.8V DC (passive) | |
| Overvoltage shutdown | ≥ 30.5V DC (active) |
| ≤ 29.5V DC (passive) | |
| Maximum capacitive load | 25000 & micro;F (depending on available short-circuit current) |
| indicator/remote signaling | |
| Connection Name | remote signaling alarm circuit |
| switching function | N/O contacts |
| Nominal operating voltage | 0V DC ... 30V DC |
| Operating current | 100 mA DC |
| main circuit IN + | |
| Connection Mode | in-line connection |
| stripping length | 8mm |
| Flexible Wire Cross Section | 0.2 mm² ... 2.5 mm² |
| Rigid conductor cross section | 0.2 mm² ... 4 mm² |
| Attachable Guide Cross Section AWG | 24 ... 12 |
| Flexible conductor cross-section, with sleeve, with plastic insulation sleeve | 0.2 mm² ... 2.5 mm² |
| flexible conductor cross-section with cold press head without insulation sleeve | 0.2 mm² ... 2.5 mm² |
| main circuit IN- | |
| Connection Mode | in-line connection |
| stripping length | 8mm |
| Flexible Wire Cross Section | 0.2 mm² ... 2.5 mm² |
| Rigid conductor cross section | 0.2 mm² ... 4 mm² |
| Attachable Guide Cross Section AWG | 24 ... 12 |
| Flexible conductor cross-section, with sleeve, with plastic insulation sleeve | 0.2 mm² ... 2.5 mm² |
| flexible conductor cross-section with cold press head without insulation sleeve | 0.2 mm² ... 2.5 mm² |