2920641
Official DistributorSKU
PHX2920641
Surge protection device - TT-2-PE-M-24DC
Terminal block with two-stage surge protection for one operated floating double conductor, disconnect knife on both signal paths, separate ground connection, nominal voltage: 24 V DC.
- Versions with and without disconnect knife
- Protection of a floating double wire
- Protection of two signal wires with common reference potential
- Multi-stage modular terminal blocks with screw connection technology
- Disconnection of signal circuits by disconnect knife
Technical Specifications
Dimensions
| Height | 94.8 mm |
| Width | 6.2 mm |
| Depth | 69.1 mm |
| Horizontal pitch | 1 Div. |
Ambient conditions
| Ambient Temperature (Operation) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 m (amsl (above mean sea level)) |
| Degree of Protection | IP20 (with end cover) |
General
| Housing Material | PA 6.6 |
| Flammability rating according to UL 94 | V-0 |
| Color | jet black RAL 9005 |
| Mounting Type | DIN rail: 35 mm |
| Type | Double-level terminal block with PE foot – separate PE connection |
| Number of Positions | 2 |
| Direction of action | Line-Line & Line-Earth Ground |
Protective circuit
| IEC test classification | C1 |
| IEC test classification | C2 |
| IEC test classification | C3 |
| IEC test classification | D1 |
| Nominal voltage UN | 24 V DC |
| Maximum continuous voltage UC | 30 V DC |
| Maximum continuous voltage UC | 21 V AC |
| Rated current | 300 mA (40 °C) |
| Operating effective current IC at UC | ≤ 5 µA |
| Residual current IPE | ≤ 2 µA |
| Nominal discharge current In (8/20) µs (line-line) | 5 kA |
| Nominal discharge current In (8/20) µs (line-earth) | 5 kA |
| Pulse discharge current Iimp (10/350) µs (line-earth) | 500 A |
| Total discharge current Itotal (8/20) µs | 10 kA |
| Nominal pulse current Ian (10/1000) µs (line-line) | 30 A |
| Nominal pulse current Ian (10/1000) µs (line-earth) | 100 A |
| Output voltage limitation at 1 kV/µs (line-line) spike | ≤ 45 V |
| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 650 V |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 45 V |
| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 650 V |
| Residual voltage at In (line-line) | ≤ 45 V |
| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 50 V |
| Voltage protection level Up (line-line) | ≤ 45 V (C1 - 500 V / 250 A) |
| Voltage protection level Up (line-line) | ≤ 55 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. 0.6 dB (≤ 500 kHz / 50 Ω) |
| Input attenuation aE, sym. | typ. 0.2 dB (≤ 200 kHz / 150 Ω) |
| Cut-off frequency fg (3 dB), sym. in 50 Ω system | typ. 6 MHz |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 2 MHz |
| Capacity (line-line) | < 2.5 nF |
| Resistance per path | 3.3 Ω ±20 % |
| Surge protection fault message | none |
| Max. required back-up fuse | 315 mA (T) |
| Impulse durability (line-line) | C2 - 10 kV / 5 kA |
| Impulse durability (line-earth) | C2 - 10 kV / 5 kA |
| Impulse durability (line-earth) | D1 - 500 A |
Connection data
| Connection Method | Screw connection |
| Connection method IN | Screw terminal blocks |
| Connection method OUT | Screw terminal blocks |
| Screw thread | M3 |
| Tightening torque | 0.6 Nm |
| Stripping length | 8 mm |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section solid | 0.2 mm² ... 4 mm² |
| Conductor cross section AWG | 24 ... 14 |
Standards and Regulations
| Standards/specifications | EN 61643-21 2001 |
| Standards/specifications | IEC 61643-21 2000 |
Environmental Product Compliance
| REACh SVHC | Lead 7439-92-1 |
| China RoHS | Environmentally Friendly Use Period = 50 years |
| China RoHS | For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” |
Accessories
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Additional Information
| Pack Size | 1 |
