Official DistributorSKU
MPN
CBMC E4 24DC/1-4A S-R
Weight
0.141 kg
This product is Not Cancellable/Not Returnable
Series CBMC-E4
CBMC E4 24DC/1-4A S-R - Electronic circuit breaker
Multi-channel electronic circuit breaker for protecting four loads at 24 V DC in the event of overload or short circuit. With status output, reset input, and electronic locking of the set nominal currents. For installation on DIN rails.
- 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
- Enhanced diagnostic and control options, thanks to integrated status output and reset input
- 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
Technical Specifications
General
| Note | Repeated hard short circuits can reduce the melting integral of the integrated backup fuse. |
Product properties
| 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+) |
| Rated current 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) |
| Power dissipation | < 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) |
| MTBF (IEC 61709, SN 29500) | 5319148 h (at 40°C with 34.25% load) |
| MTBF (IEC 61709, SN 29500) | 846023 h (at 60°C with 100% load) |
| Fail-safe element | 4 A DC (per output channel) |
Load circuit
| Shutdown time | ≤ 10 ms (for short circuit > 2.0 x IN) |
| Shutdown time | 1 s (1.2 ... 2.0 x IN) |
| Undervoltage switch-off | ≤ 17.8 V DC (active) |
| Undervoltage switch-off | ≥ 18.8 V DC (inactive) |
| Overvoltage switch-off | ≥ 30.5 V DC (active) |
| Overvoltage switch-off | ≤ 29.5 V DC (inactive) |
| Max. capacitive load | 30000 µF (Depending on the current setting and the short-circuit current available) |
Reset
| Input voltage range | 7 V DC ... 30 V DC (Reset with falling edge) |
| Current consumption | typ. 0.4 mA (at 24 V DC) |
| Pulse length | ≥ 50 ms (High) |
| Pulse length | ≥ 50 ms (Low) |
| Voltage | < 5 V DC (Low state) |
| Voltage | > 8 V DC (High state) |
| 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 |
Status output
| Output Voltage | 24 V DC |
| Output Current | max. 0.04 A (Short-circuit-proof) |
| 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 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 |
Signaling
| Channel LED off | off (Channel switched off) |
| Channel LED yellow | lit (Channel switched on, channel load > 80% ) |
| Channel LED yellow | flashing (Programming mode active) |
| Channel LED green | lit (Channel switched on) |
| Channel LED red | lit (Channel switched off, over- or undervoltage active) |
| Channel LED red | ON temporarily (Channel switched off, 5 s cool-down phase, overload or short-circuit release) |
| Channel LED red | flashing (Channel switched off, ready to be switched back on, overload or short-circuit release) |
| Channel LED red | two flashes (Channel switched off, device total current limit 40 A exceeded) |
Dimensions
| Width | 36 mm |
| Height | 90 mm |
| Depth | 98 mm (incl. DIN rail 7.5 mm) |
Material specifications
| Color | light grey (RAL 7035) |
| Material | PC |
| Material | PA 6.6 |
| Material | PA 6.3T |
| Material | 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) |
| Altitude | ≤ 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) |
| Vibration (Operation) | 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 |
| Identification | UL Recognized UL 2367 |
| Identification | NEC Class 2 according to UL 1310 |
Corrosive gas test
| Identification | ISA S71.04.2013 G3 Harsh Group A |
Standards and Regulations
| 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
| Mounting Type | DIN rail: 35 mm |
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Additional Information
| Pack Size | 1 |
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