CTM 2X1- 24DC 2838500 PHOENIX CONTACT LSA-PLUS plug (COMTRAB CTM) with protective circuit for 2-conductor si.. View larger
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CTM 2X1- 24DC 2838500 PHOENIX CONTACT LSA-PLUS plug (COMTRAB CTM) with protective circuit for 2-conductor si..

CTM 2X1- 24DC





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

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Overvoltage Protection Over Voltage

TRABTECH Power and Signal Quality - PHOENIX CONTACT

Surge protection for measurement and control technology - PHOENIX CONTACT

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Height21 mm
Width9.5 mm
Depth53.5 mm

Ambient conditions

Ambient temperature (operation)-25 °C ... 75 °C
Degree of protectionIP20


Housing materialPA
Flammability rating according to UL 94V0
Standards for cearances and creepage distancesDIN VDE 0110-1
IEC 60664-1
Overvoltage categoryII
Pollution degree2
Mounting typeOn CT-TERMIBLOCK and LSA-PLUS disconnect strip
TypeLSA-PLUS module
Number of positions2
Direction of actionLine-Line & Line-Earth Ground
Arrester can be tested with CHECKMASTER from software version:From SW rev. 1.10

Protective circuit

IEC test classificationB2
VDE requirement classB2
Nominal voltage UN24 V DC
Maximum continuous voltage UC± 30 V DC
21 V AC
Maximum continuous voltage UC (wire-ground)± 30 V DC
21 V AC
Nominal current IN380 mA (25 °C)
Operating effective current IC at UC≤ 5 µA
Residual current IPE≤ 2 µA
Nominal discharge current In (8/20) µs (Core-Earth)5 kA
Total surge current (8/20) µs10 kA
Total surge current (10/350) µs2.5 kA
Max. discharge current Imax (8/20) µs maximum (Core-Earth)10 kA (in total)
Nominal pulse current Ian (10/1000) µs (Core-Earth)100 A
Impulse discharge current (10/350)˽µs, peak value limp1 kA
Output voltage limitation at 1 kV/µs (Core-Earth) spike55 V
Output voltage limitation at 1 kV/µs (Core-Earth) static≤ 45 V
Residual voltage at In (conductor-ground)≤ 50 V
Residual voltage with Ian (10/1000)µs (conductor-ground)≤ 15 V
Voltage protection level Up (core-ground)≤ 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 (Core-Earth)≤ 1 ns
Input attenuation aE, asym.0.3 dB (≤ 700 kHz)
Cut-off frequency fg (3 dB), asym. (PE) in 100 Ohm system2.7 MHz
Capacity (Core-Earth)1.2 nF (f=1 MHz / VR= 0 V)
Resistance in series3.3 Ω 10 %
3.3 Ω
Surge protection fault messageNone
Impulse durability (conductor-ground)C2 - 4 kV/2 kA
C3 - 100 A
B2 - 4 kV/100 A
D1 - 1 kA
Alternating current carrying capacity (conductor-ground)5 A - 1 s

Connection data

Connection methodcan be plugged into COMTRAB-TERMIBLOCK and LSA-PLUS disconnect and switching strips
Connection type INCOMTRAB plug-in system
Connection type OUTCOMTRAB plug-in system
Connection methodLSA-PLUS

Connection, equipotential bonding

Connection methodSpring contact

Standards and Regulations

Standards/regulationsIEC 61643-21

Datasheet - PDF

PHOENIX CONTACT-2838500-CTM 2X1- 24DCEnglish115 KbytesPHOENIX CONTACT-2838500-CTM 2X1- 24DC

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