MT-RS485-TTL
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Surge protection device
2749398
Rail-mountable module with surge voltage coarse and fine protection for RS-485 interface, with TTL level, for mounting on NS 35/7.5, housing width: 50 mm
Product details
| Product type | Surge protection for information technology |
| IEC test classification | C2 |
| C3 | |
| D1 | |
| VDE requirement class | C2 |
| C3 | |
| D1 | |
| Type | DIN rail module, one-piece |
| Surge protection fault message | none |
| Wire pairs per module | 2 |
| Nominal voltage UN | 5 V DC |
| Connection method | Screw connection |
| Screw thread | M3 |
| 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 |
| Dimensional drawing |
|
| Width | 47.6 mm |
| Height | 77.5 mm |
| Depth | 54.9 mm |
| Color | black (RAL 9005) |
| Mechanical data | |
| Open side panel | No |
| Direction of action | Line-Line & Line-Signal Ground/Shield & Signal Ground/Shield-Earth Ground |
| Maximum continuous operating voltage UC | 5.8 V DC |
| Rated current | 450 mA (25 °C) |
| Operating effective current IC at UC | ≤ 2 mA |
| Nominal discharge current In (8/20) µs (line-line) | 10 kA |
| Nominal discharge current In (8/20) µs (line-ground) | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-line) | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-earth) | 10 kA |
| Max. discharge current Imax (8/20) µs maximum (line-signal ground) | 10 kA |
| Output voltage limitation at 1 kV/µs (line-line) spike | ≤ 9 V |
| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 450 V |
| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 9 V |
| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 450 V |
| Output voltage limitation at 1 kV/µs (line-signal ground) static | ≤ 9 V |
| Residual voltage at In (conductor-conductor) | ≤ 9 V |
| Residual voltage at In (line-signal ground) | ≤ 9 V |
| Voltage protection level Up (line-line) | ≤ 9 V |
| Voltage protection level Up (line-earth) | ≤ 450 V |
| Voltage protection level Up (line-signal ground) | ≤ 9 V |
| Response time tA (line-line) | 1 ns |
| Response time tA (line-earth) | ≤ 100 ns |
| Response time tA (line-signal ground) | ≤ 1 ns |
| Input attenuation aE, sym. | typ. 0.1 dB (up to 40 kHz 150 Ω system) |
| typ. 0.1 dB (up to 10 kHz) | |
| Input attenuation aE, asym. | 0.5 dB (up to 0.1 MHz 50 Ω system) |
| 0.1 dB (up to 10 kHz 600 Ω system) | |
| Cut-off frequency fg (3 dB), asym. (siganl ground) in 50 Ω system | 600 kHz |
| Cut-off frequency fg (3 dB), asym. (signal ground) in 150 Ω system | 200 kHz |
| Cut-off frequency fg (3 dB), asym. (signal ground) in 600 Ω system | 50 kHz |
| Resistance per path | 4.4 Ω |
| Surge protection fault message | none |
| Ambient conditions | |
| Degree of protection | IP20 |
| Ambient temperature (operation) | -40 °C ... 80 °C |
| VDE requirement class | C2 |
| C3 | |
| D1 | |
| Standards Information technology specification | |
| Standards/regulations | Draft IEC 64644-1 |
| E VDE 0845-3-1 | |
| Draft IEC 64644-1 | |
| E VDE 0845-3-1 | |
| Mounting type | DIN rail: 35 mm |
