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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
TTC-6-2-HC-24DC-UT-I
Weight
0.04 kg
Series TTC

TTC-6-2-HC-24DC-UT-I - Surge protection device

Surge protection with integrated status indicator for a 2-wire floating signal circuit with high nominal current. Can be used in safety-related circuits up to SIL 3.

  • Space-saving and cost-saving with a narrow overall width of just 6 mm
  • Continuous monitoring of protective devices, plus mechanical status indicator with optional remote signaling
  • Finding the right product for all possible requirements in MCR applications is easy, thanks to the complete range of products with customized features
Technical Specifications

Product properties

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

Insulation characteristics

Overvoltage categoryIII
Pollution degree2

Electrical properties

Nominal voltage UN24 V DC

Connection data

Connection MethodScrew connection
Screw threadM3
Tightening torque0.5 Nm ... 0.6 Nm
Conductor cross section flexible0.2 mm² ... 2.5 mm²
Conductor cross section rigid0.2 mm² ... 4 mm²
Conductor cross section AWG24 ... 12

Dimensions

Width6.2 mm +0.1 mm
Height105.8 mm
Depth83.5 mm (incl. DIN rail 7.5 mm)

Material specifications

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

Mechanical data

Open side panelNo

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 current6 A (55 °C)
Operating effective current IC at UC≤ 5 µA
Residual current IPE≤ 1 µA
Nominal discharge current In (8/20) µs (line-line)0.5 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) µs5 kA
Voltage protection level Up (line-line)≤ 50 V (C1 - 1 kV / 500 A)
Voltage protection level Up (line-line)≤ 45 V (C3 - 25 A)
Voltage protection level Up (line-line)≤ 50 V (C3 - 100 A)
Voltage protection level Up (line-earth)≤ 1.35 kV (C1 - 1 kV / 500 A)
Voltage protection level Up (line-earth)≤ 1.45 kV (C2 - 10 kV / 5 kA)
Voltage protection level Up (line-earth)≤ 850 V (C3 - 25 A)
Voltage protection level Up (line-earth)≤ 1.1 kV (C3 - 100 A)
Response time tA (line-line)≤ 1 ns
Response time tA (line-earth)≤ 100 ns
Input attenuation aE, sym.typ. 0.3 dB (≤ 300 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ω systemtyp. 1 MHz
Capacity (core-earth)typ. 2.2 nF
Resistance per path≤ 100 mΩ
Surge protection fault messageoptical
Max. required back-up fuse6.3 A (FF)
Impulse durability (line-line)C1 - 1 kV / 500 A
Impulse durability (line-line)C3 - 100 A
Impulse durability (line-earth)C1 - 1 kV / 500 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-earth)≤ 40 ms

Ambient conditions

Degree of ProtectionIP20
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

Why Proax for Phoenix Contact 2908438?

Proax is an authorized distributor of Phoenix Contact 2908438 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Pack Size1
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