Official DistributorSKU
MPN
TTC-6P-3-EX-24DC-UT-I
Weight
0.066 kg
Series TTC
TTC-6P-3-EX-24DC-UT-I - Surge protection device
Surge protection, consisting of protective plug and base element, with integrated status indicator for a 3-wire floating Ex i signal circuit, HART-compatible. 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
- Easy testing and documentation with CHECKMASTER 2 with pluggable protective modules
- The signal is not influenced during maintenance work, thanks to the impedance-neutral insertion and removal of protective plugs
Technical Specifications
Product properties
| Product family | TERMITRAB complete |
| IEC test classification | C1 |
| IEC test classification | C2 |
| IEC test classification | C3 |
| IEC test classification | D1 |
| Type | DIN rail module, two-section, divisible |
Insulation characteristics
| Overvoltage category | III |
| Pollution degree | 2 |
Electrical properties
| Nominal voltage UN | 24 V DC |
Connection data
| Connection Method | Screw connection |
| Screw thread | M3 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section rigid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 12 |
Ex data
| Maximum inner capacitance Ci | negligible |
| Max. internal inductance Li | negligible |
| Max. input current Ii | 400 mA (T4 / -40 °C ... +50 °C) |
| Max. input current Ii | 250 mA (T4 / -40 °C ... +70 °C) |
| Max. input current Ii | 350 mA (T6 / -40 °C ... +35 °C) |
| Max. input current Ii | 100 mA (T6 / -40 °C ... +70 °C) |
| Max. input voltage Ui | 30 V DC |
| Ambient Temperature (Operation) | -40 °C ... 70 °C (with current derating) |
Dimensions
| Width | 6.2 mm +0.1 mm |
| Height | 105.8 mm |
| Depth | 100 mm (incl. DIN rail 7.5 mm) |
Material specifications
| Color | blue (RAL 5015) |
| Color | light grey (RAL 7035) |
| Flammability rating according to UL 94 | V-0 |
| Insulating material | PBT |
| Housing Material | PBT |
Mechanical data
| Open side panel | No |
Protective circuit
| Direction of action | Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground |
| Maximum continuous voltage UC | 30 V DC |
| Rated current | 5 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) µs | 10 kA |
| Voltage protection level Up (line-line) | ≤ 68 V (C1 - 1 kV / 500 A) |
| Voltage protection level Up (line-line) | ≤ 50 V (C3 - 100 A) |
| Voltage protection level Up (line-line) | ≤ 50 V (C3 - 25 A) |
| Voltage protection level Up (line-earth) | ≤ 700 V (C1 - 1 kV / 500 A) |
| Voltage protection level Up (line-earth) | ≤ 900 V (C2 - 10 kV / 5 kA) |
| Response time tA (line-line) | ≤ 1 ns |
| Response time tA (line-earth) | ≤ 100 ns |
| Input attenuation aE, sym. | typ. 0.3 dB (≤ 12 MHz / 150 Ω) |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 60 MHz |
| Capacity (core-core) | typ. 30 pF |
| Capacity (core-earth) | typ. 30 pF |
| Resistance per path | < 0.1 Ω |
| Surge protection fault message | optical |
| Max. required back-up fuse | 5 A (F) |
| 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) | D1 - 500 A |
| Pulse reset time (line-line) | ≤ 30 ms |
| Pulse reset time (line-earth) | ≤ 500 ms |
Ambient conditions
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -40 °C ... 85 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 2000 m (amsl) |
| Permissible humidity (operation) | 5 % ... 95 % |
Conformity/Approvals
| UL, USA / Canada | Class I, Div. 2, Groups A, B, C, D T4A |
Standards and Regulations
| Standards/specifications | EN 60079-0 |
| Note | 2018 |
| Standards/specifications | EN 60079-11 |
| Note | 2012 |
EN 61643-21
| Standards/specifications | EN 61643-21 |
| Note | 2001 + A1:2009 + A2:2013 |
| Standards/specifications | IEC 60079-0 |
| Note | 2017 |
| Standards/specifications | IEC 60079-11 |
| Note | 2008 |
| Standards/specifications | IEC 61643-21 |
| Note | 2000 + corrigendum 2001 + A1:2008, modified + A2:2012 |
Mounting
| Mounting Type | DIN rail: TH 35 - 7.5 mm |
Accessories
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Additional Information
| Pack Size | 1 |
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