CB E1 24DC/3A NC P
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Electronic circuit breaker
2800917
Electronic circuit breaker, 1-pos., active current limitation, 1 N/C contact, plug for base element.
This product needs further products for operation.
Mandatory accessories
Product details
| General | When mounted in rows without convection cooling, the nominal device current should only be led to a maximum of 80% due to the thermal effect during continuous operation (100% operating factor). Special precautionary measures must be taken in systems or machines, to prevent components from restarting (e.g., use of a safety PLC). Parallel connection of multiple circuit breakers is not permitted. |
| Product type | Device circuit breakers |
| Product family | CB E |
| Type | Male |
| Number of positions | 1 |
| No. of channels | 1 |
| Insulation characteristics | |
| Degree of pollution | 2 |
| General | |
| Operating voltage | 24 V DC |
| 18 V DC ... 30 V DC | |
| Nominal current IN | 3 A |
| Rated surge voltage | 0.5 kV |
| Tripping method | E (electronic) |
| Required backup fuse | not required, integrated failsafe element |
| Dielectric strength | max. 30 V DC (Load circuit) |
| Active current limitation | typ. 1.25 x IN |
| Fuse | electronic |
| Closed circuit current I0 | typ. 8 mA (When switched on) |
| typ. 17 mA (With alarm output) | |
| Power dissipation | 0.77 W (Nominal operation) |
| Temperature derating | 3 A (at 50 °C) |
| MTBF (IEC 61709, SN 29500) | 8320000 h (at 25 °C with 80 % load) |
| 7410000 h (at 40 °C with 80 % load) | |
| Voltage drop | 120 mV (at IN) |
| Fail-safe element | 6 A DC |
| Contact switching type | without electrical isolation |
| Load circuit | |
| Shutdown time | 300 ms (see time/current characteristic curve) |
| Undervoltage switch-off | < 14 V (typ. OFF) |
| > 17 V (typ. ON) | |
| Max. capacitive load | 20000 µF |
| Switch-on delay | typ. 2 ms |
| Auxiliary contact | |
| Contact connection type | floating signal contact |
| Minimum operating voltage Umin DC | 10 V DC |
| Maximum operating voltage Umax DC | 30 V DC |
| Minimum operating current Imin | 10 mA |
| Max. operating current Imax | 0.5 A |
| Connection method | pluggable |
| Dimensional drawing |
|
| Width | 12.3 mm |
| Height | 45 mm |
| Depth | 52 mm |
| Complete module width | 12.3 mm |
| Complete module height | 90 mm |
| Complete module depth | 77.3 mm |
| Color | gray (RAL 7042) |
| black (RAL 9005) | |
| Flammability rating according to UL 94 | V-0 |
| Ambient conditions | |
| Degree of protection | IP30 (Actuation area) |
| Ambient temperature (operation) | -25 °C ... 50 °C (non-condensing) |
| Ambient temperature (storage/transport) | -40 °C ... 70 °C |
| Humidity test | 96 h, 95 % RH, 40 °C |
| Vibration (operation) | 3g (according to IEC 60068-2-6, Test Fc) |
| UL approval | |
| Identification | UL Listed UL 508 |
| UL Recognized UL 2367 | |
| Shipbuilding approval | |
| Identification | DNV GL |
| Standard designation | EMV |
| Standards/specifications | EN 61000-6-3 |
| Note | Interference emission |
| Standard designation | EMV |
| Standards/specifications | EN 61000-6-2 |
| Note | Noise immunity |
| Mounting type | on base element |
Your advantages
Individually adjustable with protective plugs
Protective plug with fixed nominal current value as protection against unintentional changes
Active current limitation to improve the capacity of the upstream power supply
Increased system transparency with integrated remote message function