Electronic device circuit breaker, 1-pos., active current limit - PHOENIX CONTACT - CB E1 24DC/2A S-R P - 2800909 View larger
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Electronic device circuit breaker, 1-pos., active current limit - PHOENIX CONTACT - CB E1 24DC/2A S-R P - 2800909

CB E1 24DC/2A S-R P




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Electronic device circuit breaker, 1-pos., active current limitation, status output and reset input, plug for base element.

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Installation instructionsWhen 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.
Flammability rating according to UL 94V0
Mounting typeOn base element
Number of positions1
Pollution degree2

Electrical data

Fuse typeElectronic
Rated surge voltage0.5 kV
Operating voltage24 V DC
18 V DC ... 30 V DC
Nominal current IN2 A
Required backup fusenot required, integrated failsafe element
Active current limitationtyp. 1.25 x IN
Contact typeWithout electrical isolation
Closed circuit current I0typ. 8 mA (When switched on)
typ. 11 mA (With status output)
Power dissipation0.46 W (Nominal operation)
Temperature derating2 A (at 50°C)
Tripping methodE (electronic)
Dielectric strengthmax. 30 V DC (Load circuit)
Voltage drop100 mV (at IN)
Contact typeWithout electrical isolation
Shutdown time load circuit400 ms (see time/current characteristic curve)
Undervoltage shutdown load circuit< 14 V (typ. OFF)
> 17 V (typ. ON)
Max. capacitive load load circuit20000 µF
Output voltage status output24 V DC
Output current status outputmax. 0.2 A (Short-circuit-proof)
Input voltage reset inputmax. 30 V DC
Current consumption reset inputtyp. 2.6 mA (at 24 V DC)
Auxiliary type of contactPositive-switching signal output


Height45 mm
Width12.3 mm
Depth52 mm
Complete module height90 mm
Complete module width12.3 mm
Complete module depth77.3 mm

Ambient conditions

Ambient temperature (operation)-25 °C ... 50 °C (non-condensing)
Ambient temperature (storage/transport)-40 °C ... 70 °C
Humidity test96 h, 95% RH, 40°C
Degree of protectionIP30 (Actuation area)

Standards and Regulations

Standards/specificationsUL 2367 UL recognized
UL 508 UL/C-UL listed
EMV EN 61000-6-3 Noise emission
EMV EN 61000-6-2 Noise immunity

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