| IEC test classification | C1 |
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| C2 |
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| C3 |
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| D1 |
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| Nominal voltage UN | 24 V DC |
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| Maximum continuous voltage UC | 28 V DC |
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| 20 V AC |
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| Rated current | 450 mA (45°C) |
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| Operating effective current ICat UC | ≤ 5 µA |
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| Residual current IPE | ≤ 1 µA (with PT 2X2+F-BE) |
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| ≤ 4 µA (with PT 2X2-BE) |
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| Nominal discharge current In(8/20) µs (line-line) | 10 kA |
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| Nominal discharge current In(8/20) µs (line-earth) | 10 kA |
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| Pulse discharge current Iimp(10/350) µs | 2.5 kA |
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| Total discharge current Itotal(8/20) µs | 20 kA |
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| Max. discharge current Imax(8/20) µs maximum (line-line) | 10 kA |
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| Max. discharge current Imax(8/20) µs maximum (line-earth) | 10 kA |
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| Nominal pulse current Ian (10/1000) µs (line-line) | 25 A |
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| Output voltage limitation at 1 kV/µs (line-line) spike | ≤ 45 V |
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| Output voltage limitation at 1 kV/µs (line-earth) spike | ≤ 450 V (with PT 2X2-BE) |
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| ≤ 1 kV (with PT 2X2+F-BE) |
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| Output voltage limitation at 1 kV/µs (line-line) static | ≤ 40 V |
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| Output voltage limitation at 1 kV/µs (line-earth) static | ≤ 25 V (with PT 2X2-BE) |
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| ≤ 50 V (with PT 2X2+F-BE) |
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| Residual voltage at In(line-line) | ≤ 40 V |
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| Residual voltage at In(line-signalground) | ≤ 450 V |
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| Residual voltage with Ian (10/1000) µs (line-line) | ≤ 50 V |
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| Voltage protection level Up(line-line) | ≤ 70 V (C1 - 1 kV/500 A) |
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| ≤ 60 V (C2 - 6 kV / 3 kA) |
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| ≤ 70 V (C2 - 10 kV / 5 kA) |
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| ≤ 50 V (C3 - 25 A) |
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| Voltage protection level Up(line-earth) | ≤ 450 V (C1 - 1 kV / 500 A with PT 2X2-BE) |
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| ≤ 500 V (C2 - 6 kV / 3 kA with PT 2X2-BE) |
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| ≤ 550 V (C2 - 10 kV / 5 kA with PT 2X2-BE) |
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| ≤ 1000 V (C2 - 10 kV / 5 kA with PT 2X2+F-BE) |
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| Voltage protection level Upstatic (line-line) | ≤ 40 V (C2 - 10 kV / 5 kA) |
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| Voltage protection level Upstatic (line-earth) | ≤ 50 V (C2 - 10 kV / 5 kA with PT 2X2-BE) |
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| ≤ 100 V (C2 - 10 kV / 5 kA with PT 2X2+F-BE) |
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| Response time tA(line-line) | ≤ 1 ns |
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| Response time tA(line-earth) | ≤ 100 ns |
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| Input attenuation aE, sym. | typ. 0.5 dB (≤ 1 MHz / 50 Ω) |
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| typ. 0.3 dB (≤ 400 kHz / 150 Ω) |
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| typ. 0.1 dB (≤ 70 kHz / 600 Ω) |
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| Cut-off frequency fg (3 dB), sym. in 50 Ohm system | typ. 4.5 MHz |
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| Cut-off frequency fg (3 dB), sym. in 150 Ohm system | typ. 1.5 MHz |
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| Cut-off frequency fg (3 dB), sym. in 600 Ohm system | typ. 600 kHz |
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| Capacity (line-line) | typ. 1.4 nF |
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| Capacity (line-earth) | typ. 8 pF (with PT 2X2-BE) |
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| typ. 2 pF (with PT 2X2+F-BE) |
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| Resistance in series | 2.2 Ω ±10 % |
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| Surge protection fault message | none |
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| Max. required back-up fuse | 500 mA (T) |
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| Impulse durability (line-line) | C1 - 1 kV/500 A |
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| C2 - 6 kV/3 kA |
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| C2 - 10 kV/5 kA |
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| C3 - 25 A |
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| Impulse durability (line-earth) | C1 - 1 kV/500 A |
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| C2 - 6 kV/3 kA |
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| C2 - 10 kV/5 kA |
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| D1 - 2.5 kA |
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