Surge protection, consisting of protective plug and base element, with integrated multi-stage status indicator on the module, for two 2-wire floating signal circuits. Indirect grounding via gas discharge tube, HART-compatible. Can be used in safety-related circuits up to SIL 3.
Surge protection, consisting of protective plug and base element, with integrated multi-stage status indicator on the module, for two 2-wire floating signal circuits. Indirect grounding via gas discharge tube, HART-compatible. Can be used in safety-related circuits up to SIL 3.
| Direction of action | Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground |
| Maximum continuous voltage UC | 30 V DC |
| 21 V AC | |
| Rated current | 700 mA (50 °C) |
| Operating effective current IC at UC | ≤ 1 mA (in the signal circuit) |
| Residual current IPE | ≤ 1 µA |
| Nominal discharge current In (8/20) µs (line-line) | 10 kA |
| Nominal discharge current In (8/20) µs (line-ground) | 10 kA |
| Nominal discharge current In (8/20) µs (line-signal ground) | 10 kA |
| Pulse discharge current Iimp (10/350) µs (line-earth) | 2.5 kA |
| Total discharge current Itotal (8/20) µs | 20 kA |
| Voltage protection level Up (line-line) | ≤ 80 V (C1 - 1 kV / 500 A) |
| ≤ 130 V (C2 - 10 kV / 5 kA) | |
| ≤ 55 V (C3 - 25 A) | |
| ≤ 60 V (C3 - 100 A) | |
| Voltage protection level Up (line-earth) | ≤ 900 V (C1 - 1 kV / 500 A) |
| ≤ 1300 V (C2 - 10 kV / 5 kA) | |
| ≤ 1000 V (C3 - 25 A) | |
| ≤ 1300 V (C3 - 100 A) | |
| Voltage protection level Up (line-signalground) | ≤ 600 V (C1 - 1 kV / 500 A) |
| ≤ 750 V (C2 - 10 kV / 5 kA) | |
| ≤ 700 V (C3 - 25 A) | |
| ≤ 800 V (C3 - 100 A) | |
| Voltage protection level Up static (line-line) | ≤ 65 V (C1 - 1 kV / 500 A) |
| Voltage protection level Up static (line-earth) | ≤ 130 V (C2 - 10 kV / 5 kA) |
| Voltage protection level Up static (line-signalground) | ≤ 60 V (C2 - 10 kV / 5 kA) |
| ≤ 40 V (C3 - 25 A) | |
| Response time tA (line-line) | ≤ 1 ns |
| Response time tA (line-earth) | ≤ 100 ns |
| Response time tA (line-signalground) | ≤ 100 ns |
| Input attenuation aE, sym. | typ. 0.3 dB (≤ 270 kHz/150 Ω) |
| Cut-off frequency fg (3 dB), sym. in 150 Ω system | typ. 1.1 MHz |
| Capacity (Core-Core) | typ. 2 nF |
| Resistance per path | 1.2 Ω ±5 % |
| Surge protection fault message | Optical, multi-stage |
| Max. required back-up fuse | 800 mA (FF) |
| Impulse durability (line-line) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C2 - 10 kA | |
| C3 - 100 A | |
| Impulse durability (line-earth) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C2 - 10 kA | |
| C3 - 100 A | |
| D1 - 2.5 kA | |
| Impulse durability (line-signalground) | C1 - 1 kV / 500 A |
| C2 - 10 kV / 5 kA | |
| C2 - 10 kA | |
| C3 - 25 A | |
| Pulse reset time (line-line) | ≤ 4000 ms |
| Pulse reset time (line-earth) | ≤ 30 ms |
| Pulse reset time (line-signalground) | ≤ 2600 ms |
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