2905743

https://www.phoenixcontact.com/pi/products/2905743

04/30/2017Page1/6

Electronic device circuit breaker-CBM E4 24DC/0.5-10A NO-

R-2905743

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Multi-channel, electronic device circuit breaker with active current limitation for protecting four loads at 24 V

DC in the event of overload and short circuit. With nominal current assistant and electronic locking of the set

Early warning when exceeding 80% of the set nominal current per channel

Supply up to 40A possible

Sophisticated remote signaling concept enables monitoring from any location

Slim design

Key Commercial Data

Packing unit 1 STK

GTIN

GTIN 4046356992350

Technical data

Dimensions

Ambient temperature (storage/transport) -40 °C ... 80 °C

https://www.phoenixcontact.com/pi/products/2905743

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Electronic device circuit breaker-CBM E4 24DC/0.5-10A NO-

R-2905743

Technical data

Ambient conditions

Humidity test 240 h, 95% RH, 40°C

Altitude 6000 m

Shock (operation) 30g

Degree of protection IP20

General

Mounting type DIN rail: 35 mm

Operating voltage 18 V DC ... 30 V DC

Rated voltage 24 V DC

Rated current I

N

max. 40 A DC

max. 40 A DC (Per terminal position)

0.5/1/2/4/6/10A DC(adjustable per output channel)

Measuring tolerance I typ. 40 % (0.5 ... 1 A)

typ. 10 % (2 - 10 A)

Rated insulation voltage U

Internal output fuse 15 A DC (per output channel)

Active current limitation

Typ. 2.0 x I

N

(0.5 - 1A)

Typ. 1.5 x I

N

(2 - 10 A)

Status display LED (green, yellow, red)

Efficiency > 99 %

Closed circuit current I

Tripping method E (electronic)

Dielectric strength max. 30 V DC (Load circuit)

Contact type without electrical isolation

https://www.phoenixcontact.com/pi/products/2905743

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Electronic device circuit breaker-CBM E4 24DC/0.5-10A NO-

R-2905743

Technical data

Electrical data

MTBF (IEC 61709, SN 29500) 2001962 h (at 25 °C)

1292135 h (at 40 °C)

653352 h (at 60 °C)

Shutdown time load circuit

0.02 s (> 1.3 x I

30 s (1,1 ... 1,3 x I

Undervoltage shutdown load circuit ≤ 17.8 V DC (active)

≥ 19 V DC (inactive)

Vibration resistance, frequency 15 Hz ... 150 Hz

Vibration resistance, acceleration 39.2 m/s²

Vibration resistance, test duration 90 min.

Remote indication contact

Connection name Remote indication circuit

Switching function N/O contact

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 1.5 mm² ... 0.25 mm²

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

Connection name Main circuit IN-

Connection method Push-in connection

Stripping length 10 mm

Conductor cross section solid 0.2 mm² ... 2.5 mm²