CBMC E4 24DC/1-4A S-R - Electronic circuit breaker

1065727

Multi-channel electronic circuit breaker for protecting four loads at 24 V DC in the event of overload or short circuit. With status output, reset input, and electronic locking of the set nominal currents. For installation on DIN rails.

General
Note Repeated hard short circuits can reduce the melting integral of the integrated backup fuse.

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

General
Operating voltage 18 V DC ... 30 V DC
Rated voltage 24 V DC
Rated current IN max. 16 A DC (IN+)
max. 40 A DC (per terminal position when bridging additional devices via IN+)
Rated current IN 1 / 2 / 3 / 4 A DC (adjustable per output channel)
Rated current (pre-adjusted) 4 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. 35 V DC (Load circuit)
Fuse electronic
Efficiency > 99 %
Closed circuit current I0 typ. 25 mA
Power dissipation typ. 0.6 W (No-load operation)
< 4 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 %
MTBF (IEC 61709, SN 29500) 11764705 h (at 25 °C with 21 % load)
5319148 h (at 40°C with 34.25% load)
846023 h (at 60°C with 100% load)
Fail-safe element 4 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 30000 µF (Depending on the current setting and the short-circuit current available)
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)
≥ 50 ms (Low)
Voltage < 5 V DC (Low state)
> 8 V DC (High state)
Stripping length 10 mm
Conductor cross section rigid 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
Status output
Output voltage 24 V DC
Output current max. 0.04 A (Short-circuit-proof)
Stripping length 10 mm
Conductor cross section rigid 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 IN+
Connection method Push-in connection
Stripping length 15 mm
Conductor cross section rigid 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 rigid 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 rigid 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