Phoenix CBM E8 24DC/0.5-10A NO-R-electronic equipment circuit breaker 2905744, multi-channel electronic equipment circuit breaker, with active current limit, can protect eight loads (24V DC) in the case of overload and short circuit. With rated current assistant and electronic lock for setting rated current. Mounted on a DIN rail.

Product Type Equipment circuit breaker
product series CBM
type rail mounting module, monolithic
Bits 1
Channels 8
insulation characteristics
protection level III
pollution level 2

Overview
working voltage 18V DC ... 30V DC
Rated voltage 24V DC
Nominal operating current IN max. 80 A DC (for dual power IN +, at least 2 x 6 mm²)
70 A DC max (for UL 2367)
Nominal operating current IN 0.5 / 1 / 2 / 4/6/10 A DC (each output channel is adjustable)
Rated current (pre-adjusted) 0.5 A
Rated overvoltage 0.5 kV
Breaking method E (Electronic)
feedback resistance Max 35V DC
required spare fuse only in I of the power supplymax> Short circuit switching capacity when required. Built-in fail-safe element.
Short-circuit switch capacity 300 A
dielectric strength 30V DC max (load circuit)
Active Current Limit Typical 2.0 x IN(0.5 - 1 A)
Typical 1.5 x IN(2 - 10 A)
Fuse electronic
efficiency > 99%
closed-circuit current I0 Typical 50 mA
power consumption 1.2W (no load operation)
17.2W (normal operation)
Module Initialization Time 3.3 s
wait time after closing a channel 10 s (overload/short circuit)
Measurement Tolerance I Typical 40% (0.5 A ... 1 A)
Typical 10% (2 A ... 10 A)
temperature attenuation 40 A DC (at 70°C (65°C 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 (40°C at UL 2367)
MTBF (IEC 61709, SN 29500) 1304293 h (at 25°C)
858501 h (at 40°C)
440048 h (at 60°C)
fail-safe components 15 A DC (per output channel)
Contact Type without electrical isolation
Load Circuit
Downtime 0.02 s (> 1.3 x IN)
30 s (1.1 ... 1.3 x IN)
undervoltage shutdown ≤ 17.8V DC (active)
≥ 19V DC (passive)
Overvoltage shutdown ≥ 30.5V DC (active)
≤ 29.5V DC (passive)
Maximum capacitive load 75000 µF
impact suppression 0.1 s (per output channel)
Reset
Input Voltage Range 7V DC ... 30V DC (using falling edge reset)
power consumption Typical 0.4 mA (24V DC)
pulse length ≥ 50 ms (high signal)
≥ 50 ms (low signal)
voltage < 5V DC (low signal)
> 8V DC (high signal)
Status Output
output voltage 24V DC
output current maximum 20 mA (at least one channel when I > 80%)
indicator/remote signaling
Connection Name remote signaling alarm circuit
switching function N/O contacts
Nominal operating voltage 0V DC ... 30V DC
operating current 1 mA DC ... 100 mA DC
2905743

Phoenix CBM E8 24DC/0.5-10A NO-R-Electronics Circuit Breaker 2905744

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