Phoenix DT-UFB-485/BS-surge protector 2920612,9-core D-SUB surge protection adapter, used for RS-485 interface protection. Can be snap-connected to DIN rail.
| Product Type | Information Technology |
| Product Series | DATATRAB |
| IEC Category | B2 |
| C1 | |
| C2 | |
| C3 | |
| D1 | |
| VDE requirement level | B2 |
| C1 | |
| C2 | |
| C3 | |
| D1 | |
| type | adapter for DIN rail mounting |
| Bits | 5 |
| line pairs per module | 2 |
| insulation characteristics | |
| Overvoltage Category | II |
| Connection Mode | D-SUB-9 |
| Dimensional drawing |  |
| width | 25mm |
| height | 108mm |
| depth | 63mm |
| color | silver |
| black (RAL 9005) | |
| Shell Material | zinc die casting |
| Mechanical parameters | |
| Open Side Panel | No |
| movement direction | Line-Line & Line-Ground/Shield |
| Maximum continuous voltage Uc | 12V DC |
| Rated current | ≤ 380 mA (25 °C) |
| UC, the effective working current IC | ≤ 1 µA |
| Residual Flow IPE | ≤ 5 µA |
| Nominal discharge current In(8/20) & micro;s (core-core) | ≤ 5 kA |
| Rated discharge current In(8/20)& micro;s (core-ground) | ≤ 5 kA |
| Total discharge current ITotal(8/20) µs | 10 kA |
| Output voltage limit 1 kV/& micro;s (core-ground) peak | ≤ 700V |
| Output voltage limit 1 kV/& micro;s (core-core) static | ≤ 25V |
| Output voltage limit 1 kV/& micro;s (core-ground) static | ≤ 700V |
| output voltage limited to 1 kV/& micro;s (line-signal ground) static | ≤ 25V |
| Residual voltage ln,(wire-wire) | ≤ 25V |
| Residual voltage ln,(wire-ground) | ≤ 55V |
| In(line-signal ground) | ≤ 25V |
| voltage protection level Up(core-core) | ≤ 30V (B2 - 100 A) |
| ≤ 30V (C1 - 500 A) | |
| ≤ 40V (C2 - 5 kA) | |
| voltage protection level Up(Line-Ground) | ≤ 700V (B2 - 100 A) |
| ≤ 700V (C1 - 500 A) | |
| ≤ 750V (C2 - 5 kA) | |
| response time tA(core-core) | ≤ 100 ns |
| response time tA (core-ground) | ≤ 100 ns |
| input attenuation AE, symmetric. | Typical 0.3 dB (≤ 30 MHz) |
| Typical 0.3 dB (≤ 7 MHz/150 Ω) | |
| Typical 0.3 dB (≤ 2 MHz / 600 Ω) | |
| cut-off frequency fg(3 dB),100 Ω symmetric system | Typical 50 MHz |
| the resistance of each path | 3.3 Ω 10% |
| Surge protection fault alarm | None |
| Impact tolerance (line-line) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| B2 - 4 kV / 100 A | |
| Impact resistance (line-ground) | B2 - 4 kV / 100 A |
| C1 - 1 kV / 500 A | |
| C2 - 10 kV / 5 kA | |
| D1 - 1 k |
Phoenix DT-UFB-485/BS-Surge Protector 2920612
Created on：2025-07-04 09:11
