CTM 2X1- 24DC - Surge protection plug

2838500

LSA-PLUS plug (COMTRAB CTM) with protective circuit for 2-conductor signal circuits grounded on one side. Nominal voltage: 24 V DC

Product type Surge protection for MCR technology
Product family COMTRAB
IEC test classification B2
C1
C2
C3
D1
VDE requirement class B2
C1
C2
C3
D1
Type LSA-PLUS module
Number of positions 2
Surge protection fault message none
Arrester can be tested with CHECKMASTER from software version: From SW rev. 1.10
Insulation characteristics
Overvoltage category II
Pollution degree 2

Nominal voltage UN 24 V DC

Connection method can be plugged into COMTRAB-TERMIBLOCK and LSA-PLUS disconnect and switching strips

Dimensional drawing
Width 9.5 mm
Height 21 mm
Depth 53.5 mm

Color black (RAL 9005)
Copper
Flammability rating according to UL 94 V-0
Housing material PA

Mechanical data
Open side panel No

Direction of action Line-Line & Line-Earth Ground
Maximum continuous voltage UC ± 30 V DC
21 V AC
Rated current 380 mA AC (25 °C)
Operating effective current IC at UC ≤ 5 µA
Residual current IPE ≤ 2 µA
Nominal discharge current In (8/20) µs (line-ground) 5 kA
Pulse discharge current Iimp (10/350) µs (line-earth) 1 kA
Total discharge current Itotal (8/20) µs 10 kA
Total discharge current Itotal (10/350) µs 2.5 kA
Max. discharge current Imax (8/20) µs maximum (line-earth) 10 kA (in total)
Nominal pulse current Ian (10/1000) µs (line-earth) 100 A
Output voltage limitation at 1 kV/µs (line-earth) spike 55 V
Output voltage limitation at 1 kV/µs (line-earth) static ≤ 45 V
Residual voltage at In (conductor-ground) ≤ 50 V
Residual voltage with Ian (10/1000) µs (line-earth) ≤ 15 V
Voltage protection level Up (line-earth) ≤ 100 V (C2 - 10 kV/5 kA, spike)
≤ 45 V (C2 - 10 kV/5 kA, static)
≤ 45 V (C3 - 7.5 kV / 100 A, spike)
≤ 15 V (C3 - 7.5 kV / 100 A, static)
Response time tA (line-earth) ≤ 1 ns
Input attenuation aE, asym. 0.3 dB (≤ 700 kHz)
Cut-off frequency fg (3 dB), asym. (PE) in 100 Ω system 2.7 MHz
Capacity (Core-Earth) 1.2 nF (f=1 MHz / VR= 0 V)
Resistance per path 3.3 Ω 10 %
Surge protection fault message none
Impulse durability (line-earth) C2 - 4 kV / 2 kA
C3 - 100 A
B2 - 4 kV / 100 A
D1 - 1 kA
Alternating current carrying capacity (line-earth) 5 A - 1 s

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -25 °C ... 75 °C