CBM E8 24DC/0.5-10A NO-R - Electronic circuit breaker
2905744

Multi-channel, electronic circuit breaker with active current limitation for protecting eight loads at 24 V DC in the event of overload and short circuit. With nominal current assistant and 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
Product family CBM
Number of positions 1
No. of channels 8
Insulation characteristics
Protection class III
Pollution degree 2

No. of channels 8
General
Operating voltage 18 V DC ... 30 V DC
Rated voltage 24 V DC
Rated current IN max. 80 A DC (for double supply IN+ with at least 2 x 6 mm²)
max. 70 A DC (for UL 2367)
Rated current IN 0.5 / 1 / 2 / 4 / 6 / 10 A DC (adjustable per output channel)
Rated current (pre-adjusted) 0.5 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. 30 V DC (Load circuit)
Active current limitation typ. 2.0 x IN (0.5 - 1 A)
typ. 1.5 x IN (2 - 10 A)
Fuse electronic
Efficiency > 99 %
Closed circuit current I0 typ. 50 mA
Power dissipation 1.2 W (No-load operation)
17.2 W (Nominal operation)
Module initialization time 3.3 s
Waiting time after switch off of a channel 10 s (at overload / short circuit)
Measuring tolerance I typ. 40 % (0.5 A ... 1 A)
typ. 10 % (2 - 10 A)
Temperature derating 40 A DC (at 70°C (65°C for UL 2367))
50 A DC (at 60 °C)
60 A DC (at 50 °C)
70 A DC (at 40 °C)
80 A DC (at 40 °C)
70 A DC (at 40°C for UL 2367)
MTBF (IEC 61709, SN 29500) 1304293 h (at 25 °C)
858501 h (at 40 °C)
440048 h (at 60 °C)
Fail-safe element 15 A DC (per output channel)
Load circuit
Shutdown time 0.02 s (> 1.3 x IN)
30 s (1.1 ... 1.3 x IN)
Undervoltage switch-off ≤ 17.8 V DC (active)
≥ 19 V DC (inactive)
Overvoltage switch-off ≥ 30.5 V DC (active)
≤ 29.5 V DC (inactive)
Max. capacitive load 75000 µF
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 signal)
≥ 50 ms (Low signal)
Voltage < 5 V DC (Low signal)
> 8 V DC (High signal)
Status output
Output voltage 24 V DC
Output current max. 20 mA (when I > 80% at at least one channel)
Indicator/remote signaling
Connection name Remote indication circuit
Switching function N/O contact
Operating voltage 0 V DC ... 30 V DC
Operating current 1 mA DC ... 100 mA DC

Main circuit IN+
Connection method Push-in connection
Stripping length 18 mm
Conductor cross section solid 0.75 mm² ... 16 mm²
Conductor cross section AWG 20 ... 4
Conductor cross section, flexible, with ferrule, with plastic sleeve 0.75 mm² ... 10 mm²
Conductor cross section flexible, with ferrule without plastic sleeve 0.75 mm² ... 16 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
Remote indication circuit
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

DC OK LED off off (No supply voltage)
DC OK LED yellow lit (Undervoltage active, voltage ≤ 17.8 V, active channels switched off and channel LEDs are lit red)
flashing (Undervoltage switch-off inactive, device was in undervoltage switch-off)
DC OK LED green lit (Operating voltage in nominal range 18 ... 30 V)
DC OK LED red lit (Overvoltage switch-off active, voltage ≥ 30.5 V, channels switched off and channel LEDs are lit red)
flashing (Overvoltage switch-off inactive, device was in overvoltage shutdown)
Channel LED off off (Channel switched off)
Channel LED yellow lit (Channel switched on, channel load > 80% )
Channel LED yellow-green flashing (Channel switched on, nominal current assistant active)
Channel LED green lit (Channel switched on)
flashing (Channel switched on, programming mode active)
Channel LED red lit (Channel switched off, over- or undervoltage active)
ON temporarily (Channel switched off, 10 s cool-down phase, overload or short-circuit release)
flashing (Channel switched off, ready to be switched back on, overload or short-circuit release)
Channel LED red-yellow flashing (Channel switched on, overload mode, capacity approximately 110 ... 130% , shutdown after 30 s)
Channel LED red-green flashing (Channel switched off, programming mode active, current adjustment after overload or short-circuit release)

Dimensional drawing
Width 41 mm
Height 130 mm
Depth 121 mm (incl. DIN rail 7.5 mm)

Color light grey RAL 7035
Material PC
PA 6.6
PC
PBT-FR17
POM
Flammability rating according to UL 94 V-0

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -25 °C ... 70 °C (Startup at -40 C type-tested)
-25 °C ... 65 °C (for UL 2367)
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 6000 m (amsl (above mean sea level))
Humidity test 240 h, 95 % RH, 40 °C
Shock (operation) 30g (IEC 60068-2-27, Test Ea)
Vibration (operation) 5 Hz ... 24.9 Hz (Amplitude ±1.6 mm; in accordance with IEC 60068-2-6, Test Fc)
24.9 Hz … 150 Hz (Acceleration 4g; in accordance with IEC 60068-2-6, Test Fc with additional resonance frequency testing in accordance with DNV GL)

UL approval
Identification UL/C-UL Listed UL 508
UL Recognized UL 2367
UL ANSI/ISA-12.12.01 Class I, Division 2, Groups A, B, C, D (Hazardous Location)
Shipbuilding approval
Identification DNV GL
DNV GL data
Temperature D
Humidity B
Vibration B
EMC A
Enclosure Required protection according to the Rules shall be provided upon installation on board

Standards/specifications EN 61000-6-2
Standards/specifications EN 61000-6-3
Standards/specifications EN 60068-2-6
Standards/specifications EN 60068-2-1
Standards/specifications EN 60068-2-2
Standards/specifications EN 60068-2-78

Mounting type DIN rail: 35 mm

Item number 2905744
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C09
Product Key CLA151
Catalog Page Page 372 (C-4-2019)
GTIN 4046356992367
Weight per Piece (including packing) 306.05 g
Weight per Piece (excluding packing) 303.8 g
Customs tariff number 85363090
Country of origin DE


ECLASS

ECLASS-9.0 27141116
ECLASS-10.0.1 27140401
ECLASS-11.0 27140401
ECLASS-12.0 27140401

ETIM

ETIM 8.0 EC003538

UNSPSC

UNSPSC 21.0 39121400

UL Recognized

Approval ID: FILE E 317172

DNV GL

Approval ID: TAA00000U2

UL Listed

Approval ID: FILE E 123528

cUL Listed

Approval ID: FILE E 123528

UL Recognized

Approval ID: FILE E 324415

cUL Listed

Approval ID: FILE E 483407

UL Listed

Approval ID: FILE E 483407

cULus Listed

cULus Listed


REACh SVHC Lead 7439-92-1

Your advantages

Easy to configure, thanks to the nominal current assistant
Active current limitation to improve the capacity of the upstream power supply
Adjustable in increments per channel: from 0.5 A to 10 A
Easy system monitoring with early signaling and direct pickup of information at the product
Increased system availability with intelligent detection of under- and overvoltage