TTC-6P-3-HF-F-M-EX-24DC-UT-I
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Surge protection device
2906828
Surge protection with integrated status indicator and knife disconnection for a 3-wire Ex i signal circuit with common reference potential. For HF applications. Indirect grounding via gas discharge tube, HART-compatible. Suitable for use in the fieldbus system (e.g., PROFIBUS PA) in accordance with the FISCO concept. Can be used in safety-related circuits up to SIL 3.
Product details
| Product type | Surge protection for information technology |
| Product family | TERMITRAB complete |
| IEC test classification | C1 |
| C2 | |
| C3 | |
| D1 | |
| Type | DIN rail module, two-section, divisible |
| Insulation characteristics | |
| Overvoltage category | III |
| Pollution degree | 2 |
| Nominal voltage UN | 24 V DC |
| 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 |
| Maximum inner capacitance Ci | negligible |
| Max. internal inductance Li | negligible |
| Max. input current Ii | 400 mA (T4 / -40 °C ... +50 °C) |
| 250 mA (T4 / -40 °C ... +70 °C) | |
| 350 mA (T6 / -40 °C ... +35 °C) | |
| 100 mA (T6 / -40 °C ... +70 °C) | |
| 400 mA (CCC: Ex ic [ia Ga] IIC T4 Gc / -40 °C ... +70 °C) | |
| Max. input voltage Ui | 30 V DC |
| Insulation voltage to ground | > 180 V DC |
| Ambient temperature (operation) | -40 °C ... 70 °C (with current derating) |
| Dimensional drawing |
|
| Width | 6.2 mm +0.1 mm |
| Height | 105.8 mm |
| Depth | 100 mm (incl. DIN rail 7.5 mm) |
| Color | blue (RAL 5015) |
| Flammability rating according to UL 94 | V-0 |
| Insulating material | PBT |
| Housing material | PBT |
| Mechanical data | |
| Open side panel | No |
| Direction of action | Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground |
| Maximum continuous operating voltage UC | 30 V DC |
| Rated current | 600 mA (40 °C) |
| Operating effective current IC at UC | ≤ 5 µA |
| Protective conductor 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-line) | 0.5 kA |
| Pulse discharge current Iimp (10/350) µs (line-earth) | 0.5 kA |
| Total discharge current ITotal (8/20) µs | 10 kA |
| Output voltage limitation at 1 kV/µs (wire-wire) | ≤ 45 V |
| Voltage protection level Up (line-line) | ≤ 150 V (C1 - 1 kV / 500 A) |
| ≤ 275 V (C2 - 10 kV / 5 kA) | |
| ≤ 55 V (C3 - 100 A) | |
| Voltage protection level Up (line-earth) | ≤ 750 V (C1 - 1 kV / 500 A) |
| ≤ 750 V (C2 - 10 kV / 5 kA) | |
| ≤ 1.2 kV (C3 - 100 A) | |
| Voltage protection level Up static (line-line) | ≤ 75 V (C1 - 1 kV / 500 A) |
| ≤ 120 V (C2 - 10 kV / 5 kA) | |
| Voltage protection level Up static (line-earth) | ≤ 750 V (C1 - 1 kV / 500 A) |
| ≤ 750 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 (≤ 8.7 MHz/150 Ω) |
| Input attenuation aE, asym. | typ. 0.3 dB (≤ 10.5 MHz/150 Ω) |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 60 MHz |
| Capacity (Core-Core) | typ. 32 pF |
| Resistance per path | 1.65 Ω ±20 % |
| Surge protection fault message | optical |
| Max. required back-up fuse | 630 mA (FF) |
| Impulse durability (line-line) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C3 - 100 A | |
| Impulse durability (line-earth) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C3 - 100 A | |
| D1 - 500 A | |
| Pulse reset time (line-line) | ≤ 600 ms |
| Pulse reset time (line-earth) | ≤ 30 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/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 type | DIN rail: TH 35 - 7.5 mm |
Your advantages
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