Electronic circuit breaker - CBMC E4 24DC/1-10A NO-C
2908716

Multi-channel electronic circuit breaker that can be preconfigured, 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




Type DIN rail module, one-piece 
Product type Device circuit breakers
Number of positions 1
No. of channels 4
Insulation characteristics
Protection class III
Pollution degree 2

No. of channels 4
Operating voltage 18 V DC ... 30 V DC
Rated voltage 24 V DC
Rated current IN max. 40 A DC (IN+)
max. 40 A DC (per terminal position when bridging additional devices via IN+)
Rated current IN 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10 A DC (adjustable or fixed per output channel)
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. 33 mA
Power dissipation typ. 0.8 W (No-load operation)
< 9 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 %
Temperature derating 24 A DC (at 60 °C)
28 A DC (at 54 °C)
32 A DC (at 47 °C)
36 A DC (at 41 °C)
40 A DC (at 35 °C)
MTBF (IEC 61709, SN 29500) 8403361 h (at 25 °C with 21 % load)
3067484 h (at 40°C with 34.25% load)
534188 h (at 35 °C with 100 % load)
Fail-safe element 15 A DC (per output channel)
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 45000 µF (Depending on the current setting and the short-circuit current available)
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 solid 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 solid 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 solid 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 grey RAL 7035
Material PC (Housing)
PA 6.6 (Terminal blocks)
PA 6.3T (Light emission area)
POM (Base latch)
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 (above mean sea level))
≤ 4000 m up to 46 °C (amsl (above mean sea level))
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

Standards/specifications EN 61000-6-2
Standards/specifications EN 61000-6-3
Standards/specifications EN 60068-2-6
Standards/specifications EN 60068-2-27
Standards/specifications EN 60068-2-78
Standards/specifications EN 50178

Mounting type DIN rail: 35 mm

Item number 2908716
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C09
Product Key CLA152
Catalog Page Page 373 (C-4-2019)
Weight per Piece (including packing) 141.3 g
Weight per Piece (excluding packing) 123 g
Customs tariff number 85363090
Country of origin DE


ECLASS

ECLASS-9.0 27141116
ECLASS-10.0.1 27140401
ECLASS-11.0 27140401

ETIM

ETIM 8.0 EC003538

UNSPSC

UNSPSC 21.0

UL Recognized

Approval ID: FILE E 317172

EAC

Approval ID: RU C-DE.*09.B.00169

UL Listed

Approval ID: FILE E 123528

cUL Listed

Approval ID: FILE E 123528

cULus Listed


REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

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
Pre-configuration available – for device protection that meets the specific requirements of your system
Reliable protection against unintentional adjustment of current values, thanks to electronic locking
Status LEDs in traffic light colors enable instantaneous determination of operating states