CBMC E4 24DC/1-4A NO
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Electronic circuit breaker
2906031
Multi-channel electronic circuit breaker for protecting four loads at 24 V DC in the event of overload and short circuit. With electronic locking of the set nominal currents. For installation on DIN rails.
Product details
| General | |
| Note | Repeated hard short circuits can reduce the melting integral of the integrated backup fuse. |
| Product type | Device circuit breakers |
| Product family | CBMC |
| Type | DIN rail module, one-piece |
| Number of positions | 1 |
| No. of channels | 4 |
| Insulation characteristics | |
| Protection class | III |
| Pollution degree | 2 |
| General | |
| Operating voltage | 18 V DC ... 30 V DC |
| Rated voltage | 24 V DC |
| Rated current IN | max. 16 A DC (IN+) |
| max. 40 A DC (per terminal position when bridging additional devices via IN+) | |
| Rated current IN | 1 / 2 / 3 / 4 A DC (adjustable per output channel) |
| Rated current (pre-adjusted) | 4 A |
| Rated surge voltage | 0.5 kV |
| Tripping method | E (electronic) |
| Feedback resistance | max. 35 V DC |
| Required backup fuse | Only required if Imax of the power supply > the short-circuit switching capacity. Integrated failsafe element. |
| Short-circuit switching capacity | 300 A |
| Dielectric strength | max. 35 V DC (Load circuit) |
| Fuse | electronic |
| Efficiency | > 99 % |
| Closed circuit current I0 | typ. 25 mA |
| Power dissipation | typ. 0.6 W (No-load operation) |
| < 4 W (Nominal operation) | |
| Module initialization time | 1.6 s |
| Waiting time after switch off of a channel | 5 s (at overload / short circuit) |
| Measuring tolerance I | ± 15 % |
| MTBF (IEC 61709, SN 29500) | 11764705 h (at 25 °C with 21 % load) |
| 5319148 h (at 40°C with 34.25% load) | |
| 846023 h (at 60°C with 100% load) | |
| Fail-safe element | 4 A DC (per output channel) |
| Contact switching type | without electrical isolation |
| Load circuit | |
| Shutdown time | ≤ 10 ms (for short circuit > 2.0 x IN) |
| 1 s (1.2 ... 2.0 x IN) | |
| Undervoltage switch-off | ≤ 17.8 V DC (active) |
| ≥ 18.8 V DC (inactive) | |
| Overvoltage switch-off | ≥ 30.5 V DC (active) |
| ≤ 29.5 V DC (inactive) | |
| Max. capacitive load | 30000 µF (Depending on the current setting and the short-circuit current available) |
| Switch-on delay | 0.1 s (per output channel) |
| Indicator/remote signaling | |
| Connection name | Remote indication circuit |
| Switching function | N/O contact |
| Operating voltage | 0 V DC ... 30 V DC |
| Operating current | 100 mA DC |
| Main circuit IN+ | |
| Connection method | Push-in connection |
| Stripping length | 15 mm |
| Conductor cross section rigid | 0.2 mm² ... 10 mm² |
| Conductor cross section AWG | 24 ... 8 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 4 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 6 mm² |
| Main circuit IN- | |
| Connection method | Push-in connection |
| Stripping length | 10 mm |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 1.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 2.5 mm² |
| Main circuit OUT | |
| Connection method | Push-in connection |
| Stripping length | 10 mm |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 1.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 2.5 mm² |
| Remote indication circuit | |
| Stripping length | 10 mm |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 12 |
| Conductor cross section, flexible, with ferrule, with plastic sleeve | 0.25 mm² ... 1.5 mm² |
| Conductor cross section flexible, with ferrule without plastic sleeve | 0.25 mm² ... 2.5 mm² |
| Channel LED off | off (Channel switched off) |
| Channel LED yellow | lit (Channel switched on, channel load > 80% ) |
| flashing (Programming mode active) | |
| Channel LED green | lit (Channel switched on) |
| Channel LED red | lit (Channel switched off, over- or undervoltage active) |
| ON temporarily (Channel switched off, 5 s cool-down phase, overload or short-circuit release) | |
| flashing (Channel switched off, ready to be switched back on, overload or short-circuit release) | |
| two flashes (Channel switched off, device total current limit 40 A exceeded) |
| Dimensional drawing |
|
| Width | 36 mm |
| Height | 90 mm |
| Depth | 98 mm (incl. DIN rail 7.5 mm) |
| Color | light gray (RAL 7035) |
| Material | PC |
| PA 6.6 | |
| PA 6.3T | |
| POM | |
| Flammability rating according to UL 94 | V-0 |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -25 °C ... 60 °C |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Altitude | ≤ 3000 m up to 52 °C (amsl) |
| ≤ 4000 m up to 46 °C (amsl) | |
| Humidity test | 96 h, 95 % RH, 40 °C |
| Shock (operation) | 30g (IEC 60068-2-27, Test Ea) |
| Vibration (operation) | 10 Hz ... 57.6 Hz (Amplitude ±0.35 mm; in accordance with IEC 60068-2-6, Test Fc) |
| 57.6 Hz … 150 Hz (Acceleration 5g; in accordance with IEC 60068-2-6, Test Fc) | |
| UL approval | |
| Identification | UL/C-UL Listed UL 508 |
| UL Recognized UL 2367 | |
| NEC Class 2 according to UL 1310 | |
| Corrosive gas test | |
| Identification | ISA S71.04.2013 G3 Harsh Group A |
| Standards/specifications | EN 61000-6-2 |
| Note | EMC – Immunity for industrial areas |
| Standards/specifications | EN 61000-6-3 |
| Note | EMC – Emission for residential, business and commercial properties and small operations |
| Standards/specifications | EN 60068-2-6 |
| Note | Environmental influences – Vibrations (sinusoidal) |
| Standards/specifications | EN 60068-2-27 |
| Note | Environmental influences – Shocks |
| Standards/specifications | EN 60068-2-78 |
| Note | Environmental influences – Moisture and heat, constant |
| Standards/specifications | EN 50178 |
| Note | Equipping power installations with electronic equipment |
| Mounting type | DIN rail: 35 mm |
Your advantages
Easy device replacement without replanning, thanks to compact design and options for individual adjustments
Circuits can be adjusted without any tools by means of one single pushable LED button
Optimum protection for cables and sensors as well as NEC Class 2 circuits by means of an additional internal output fuse
Reliable protection against unintentional adjustment of current values, thanks to electronic locking
Status LEDs in traffic light colors enable instantaneous determination of operating states