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2907325

Official Distributor

By Phoenix Contact

SKU
PHX2907325
MPN
TTC-3-1X2-24DC-PT
Weight
0.025 kg
This product is Not Cancellable/Not Returnable
Series TTC

TTC-3-1X2-24DC-PT - Surge protection device

Surge protection for a 2-wire floating signal circuit, e.g., 0(4) mA ... 20 mA current loop, HART-compatible. Can be used in safety-related circuits up to SIL 3.

  • Extremely space-saving installation with the narrowest overall width of just 3.5 mm
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Technical Specifications

Product properties

Product familyTERMITRAB complete
IEC test classificationC1
IEC test classificationC2
IEC test classificationC3
IEC test classificationD1
TypeDIN rail module, one-piece
Wire pairs per module1

Insulation characteristics

Overvoltage categoryIII
Pollution degree2

Electrical properties

Nominal voltage UN24 V DC

Connection data

Connection MethodPush-in connection
Conductor cross section, flexible, with ferrule, with plastic sleeve0.2 mm² ... 1 mm²
Conductor cross section flexible, with ferrule without plastic sleeve0.2 mm² ... 1.5 mm²
Conductor cross section flexible0.2 mm² ... 1.5 mm²
Conductor cross section rigid0.2 mm² ... 1.5 mm²
Conductor cross section AWG24 ... 16

Dimensions

Width3.5 mm
Height106 mm
Depth69.5 mm (incl. DIN rail 7.5 mm)

Material specifications

Colorgray (RAL 7042)
Colorgray (RAL 7042)
Flammability rating according to UL 94V-0
Insulating materialPBT
Housing MaterialPBT

Mechanical data

Open side panelYes

Protective circuit

Direction of actionLine-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground
Maximum continuous voltage UC30 V DC
Maximum continuous voltage UC21 V AC
Rated current250 mA (70 °C)
Operating effective current IC at UC≤ 1 µA
Residual current IPE≤ 1 µA
Nominal discharge current In (8/20) µs (line-line)5 kA
Nominal discharge current In (8/20) µs (line-ground)5 kA
Pulse discharge current Iimp (10/350) µs (line-earth)0.5 kA
Total discharge current Itotal (8/20) µs10 kA
Voltage protection level Up (line-line)≤ 50 V (C1 - 500 V / 250 A)
Voltage protection level Up (line-line)≤ 70 V (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-line)≤ 45 V (C3 - 30 A)
Voltage protection level Up (line-earth)≤ 1000 V (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-earth)≤ 1000 V (C3 - 100 A)
Voltage protection level Up static (line-line)≤ 50 V (C1 - 1 kV / 500 A)
Response time tA (line-line)≤ 1 ns
Input attenuation aE, sym.typ. 0.3 dB (≤ 600 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ω systemtyp. 2.4 MHz
Capacity (core-core)typ. 1 nF
Resistance per path2.2 Ω ±10 %
Surge protection fault messagenone
Max. required back-up fuse250 mA (FF)
Impulse durability (line-line)C1 - 500 V / 250 A
Impulse durability (line-line)C2 - 10 kV / 5 kA
Impulse durability (line-line)C3 - 30 A
Impulse durability (line-earth)C2 - 10 kV / 5 kA
Impulse durability (line-earth)C3 - 100 A
Impulse durability (line-earth)D1 - 500 A
Pulse reset time (line-line)≤ 30 ms

Ambient conditions

Degree of ProtectionIP20 (with end cover)
Ambient Temperature (Operation)-40 °C ... 85 °C
Ambient temperature (storage/transport)-40 °C ... 85 °C
Altitude≤ 4000 m (amsl)
Permissible humidity (operation)5 % ... 95 %

Standards and Regulations

Standards/specificationsIEC 61643-21
Note2000 + corrigendum 2001 + A1:2008, modified + A2:2012

EN 61643-21

Standards/specificationsEN 61643-21
Note2001 + A1:2009 + A2:2013

Mounting

Mounting TypeDIN rail: TH 35 - 7.5 mm
Accessories

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Additional Information
Pack Size1
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