TT-2/2-M-24DC 2920722 PHOENIX CONTACT Modular terminal block with two-stage surge protection for two signal .. View larger
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TT-2/2-M-24DC 2920722 PHOENIX CONTACT Modular terminal block with two-stage surge protection for two signal ..

TT-2/2-M-24DC

2920722

PHOENIX_CONTACT

14

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Modular terminal block with two-stage surge protection for two signal wires with common reference potential, disconnect knife on both signal paths, separate ground connection, 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

* Brand new produt in its original packing covered by the warranties and certifications provided by PHOENIX_CONTACT

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Dimensions

Height94.8 mm
Width6.2 mm
Depth69.1 mm

Ambient conditions

Ambient temperature (operation)-40 °C ... 80 °C

General

Housing materialPA 6.6
Flammability rating according to UL 94V-0
Colorjet black RAL 9005
Mounting typeDIN rail: 35 mm
TypeDouble-level terminal block with PE foot – separate PE connection
Number of positions2
Direction of actionLine-Earth Ground

Protective circuit

IEC test classificationC1
C2
C3
D1
Nominal voltage UN24 V DC
Maximum continuous voltage UC30 V DC
21 V AC
Nominal current IN300 mA (40°C)
Operating effective current IC at UC≤ 5 µA
Residual current IPE≤ 10 µA
Nominal discharge current In (8/20) µs (Core-Core)5 kA
Nominal discharge current In (8/20) µs (Core-Earth)5 kA
Pulse discharge current Iimp (10/350) µs (core-ground)500 A
Nominal pulse current Ian (10/1000) µs (Core-Earth)30 A
Impulse discharge current (10/350)˽µs, peak value limp500 A
Output voltage limitation at 1 kV/µs (Core-Earth) spike≤ 45 V
Output voltage limitation at 1 kV/µs (Core-Earth) static≤ 45 V
Residual voltage at In (conductor-ground)≤ 45 V
Residual voltage with Ian (10/1000)µs (conductor-ground)≤ 50 V
Voltage protection level Up (core-ground)≤ 55 V (C1 - 500 V / 250 A)
≤ 85 V (C2 - 10 kV/5 kA)
Response time tA (Core-Earth)≤ 1 ns
Input attenuation aE, asym.typ. 0.5 dB (≤ 1.5 MHz / 50 Ω)
typ. 0.2 dB (≤ 400 kHz / 150 Ω)
Cut-off frequency fg (3 dB), asym. (PE) in 50 Ohm systemtyp. 6 MHz
Cut-off frequency fg (3 dB), asym. (PE) in 150 Ohm systemtyp. 2.5 MHz
Capacity (Core-Earth)< 2.5 nF
Resistance in series4.7 Ω ±20 %
Max. required back-up fuse315 mA (e.g. T in acc. with IEC 127-2/III)
Impulse durability (conductor-ground)C1 - 500 V / 250 A
C2 - 10 kV/5 kA
D1 - 500 A

Connection data

Connection methodScrew connection
Connection type INScrew terminal blocks
Connection type OUTScrew terminal blocks
Screw threadM3
Tightening torque0.6 Nm
Stripping length8 mm
Conductor cross section flexible min.0.2 mm²
Conductor cross section flexible max.2.5 mm²
Conductor cross section solid min.0.2 mm²
Conductor cross section solid max.4 mm²
Conductor cross section AWG min.24
Conductor cross section AWG max.14

Datasheet - PDF

Title:Language:Size:Type:
PHOENIX CONTACT-2920722-TT-2/2-M-24DCEnglish301 KbytesPHOENIX CONTACT-2920722-TT-2/2-M-24DC

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