Surge protection, consisting of protective plug and base element, - PHOENIX CONTACT - PT-IQ-2X2-EX-24DC-UT - 2801513 View larger
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Surge protection, consisting of protective plug and base element, - PHOENIX CONTACT - PT-IQ-2X2-EX-24DC-UT - 2801513





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Surge protection, consisting of protective plug and base element, with integrated multi-stage status indicator on the module for two 2-wire floating Ex-i signal circuits.

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Price: $270.75
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Height91.1 mm
Width17.7 mm
Depth77.5 mm
Horizontal pitch1 Div.

Ambient conditions

Ambient temperature (operation)-40 °C ... 70 °C
Ambient temperature (storage/transport)-40 °C ... 85 °C
Degree of protectionIP20


Housing materialPA 6.6
Flammability rating according to UL 94V0
Mounting typeDIN rail mounting
TypeDIN rail module, two-section, divisible
Direction of actionLine-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground

Protective circuit

IEC test classificationC1
Nominal voltage UN24 V DC
Maximum continuous voltage UC30 V DC
21 V AC
Nominal current IN350 mA
Operating effective current IC at UC≤ 5 µA (per system)
Residual current IPE≤ 100 nA (per system)
Nominal discharge current In (8/20) µs (Core-Core)10 kA
Nominal discharge current In (8/20) µs (Core-Earth)10 kA
Pulse discharge current Iimp (10/350) µs (core-ground)2 kA
Total surge current (8/20) µs20 kA
Impulse discharge current (10/350)˽µs, peak value limp2 kA
Voltage protection level Up (core-core)≤ 60 V (C1 - 1 kV/500 A)
≤ 110 V (C2 - 10 kV / 5 kA)
≤ 140 V (C2 - 10 kA)
≤ 50 V (C3 - 25 A)
≤ 55 V (C3 - 100 A)
Voltage protection level Up (core-ground)≤ 1.3 kV (C2 - 10 kV / 5 kA)
≤ 1.5 kV (C2 - 10 kA)
≤ 1.3 kV (C3 - 100 A)
Response time tA (Core-Core)≤ 1 ns
Response time tA (Core-Earth)≤ 100 ns
Input attenuation aE, sym.typ. 0.3 dB (≤ 300 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ohm systemtyp. 1.1 MHz
Capacity (Core-Earth)typ. 2 nF
Resistance in series1.2 Ω ±5 %
Surge protection fault messageOptical, multi-stage
Max. required back-up fuse350 mA (F)
Impulse durability (conductor-conductor)C1 - 1 kV/500 A
C2 - 10 kA
C3 - 100 A
Impulse durability (conductor-ground)C2 - 10 kA
D1 - 2 kA
Pulse reset time (conductor-conductor)≤ 30 ms
Pulse reset time (conductor-ground)≤ 30 ms

Connection data

Connection methodScrew connection
Connection type INScrew terminal blocks
Connection type OUTScrew terminal blocks
Screw threadM3
Tightening torque0.5 Nm
Stripping length8 mm
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.12

Connection, equipotential bonding

Connection methodNS 35 DIN rail or connection terminal block

Remote indicator contact

Switching functionVia TBUS


Maximum inner capacitance Cinegligible
Maximum inner inductance Linegligible
Max. input current Ii350 mA
Max. input voltage Ui30 V DC
Maximum input power Pi1.2 W
Insulation voltage to ground> 500 V AC
Standards/specificationsEN 60079-0 2012
EN 60079-11 2012
EN 60079-15 2010
IEC 60079-0 2012
IEC 60079-11 2012
IEC 60079-15 2010
Ambient temperature (operation)-40 °C ... 50 °C (T6)
-40 °C ... 70 °C (T4)

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