Electronic circuit breaker
Single-channel electronic circuit breaker for protecting 24 V DC loads against overload and short circuit. Simple potential distribution using components from the CLIPLINE complete terminal block system. With electronic locking of the set nominal currents. For installation on DIN rails.
Tekniset tiedot
Notes
General
Note EN 50121-3-2: Railway applications – Electromagnetic compatibility – Part 3-2: Rolling stock – Apparatus
Connection for signal line tested in accordance with EN 61000-4-4 with 1 kV; if necessary, customer must provide appropriate protective measures
Repeated hard short circuits can reduce the melting integral of the integrated backup fuse.
Product properties
Type DIN rail module, one-piece
Product type Device circuit breakers
Product family PTCB
Number of positions 1
No. of channels 1
Insulation characteristics
Protection class III
Pollution degree 2
Electrical properties
General
Operating voltage 18 V DC … 30 V DC
Rated voltage 24 V DC
Rated current IN 24 A DC (Total current input)
8 A DC (Rated current output)
Rated current IN 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 A DC (adjustable)
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. 12 mA
Power dissipation typ. 0.3 W (No-load operation)
< 1.6 W (Nominal operation)
Module initialization time < 0.55 s
Waiting time after switch off of a channel 5 s (at overload / short circuit)
Measuring tolerance I ± 15 %
Temperature derating 21 A (Total current at 60°C)
24 A (Total current at 50°C)
7 A (Channel current at 60°C)
8 A (Channel current at 50°C)
MTBF (IEC 61709, SN 29500) 25641025 h (at 25 °C with 21 % load)
10989010 h (at 40°C with 34.25% load)
1149425 h (at 55°C with 100% load)
Voltage drop 0.13 V (at 8 A)
Fail-safe element 15 A DC
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 25000 µF (Depending on the current setting and the short-circuit current available)
Indicator/remote signaling
Connection name Remote indication circuit
Switching function N/O contact
Operating voltage 0 V DC … 30 V DC
Operating current 100 mA DC
Dimensions
Width 6.2 mm
Height 105.8 mm
Depth 55.6 mm (incl. DIN rail 7.5 mm)
Material specifications
Color gray (RAL 7042)
Material PBT
PBT
Flammability rating according to UL 94 V-0
Muut tiedot
Tuotenumero 2908262
Pakkausyksikkö 1 Kappaletta
Tuoteavain CLA135
Tuotekoodi CLA135
GTIN 4055626323763
Paino kappaletta kohti (sis. pakkauksen) 44,2 g
Paino kappaletta kohti (ilman pakkausta) 43 g
Tullitariffinumero 85363010
Alkuperämaa DE
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