PZH HDT*/A is a range of surge protection devices designed for the protection of data, communication, measuring and control lines against surge effects. These devices are recommended for use at the boundaries of LPZ 1-2-3 lightning protection zones according to EN 62305. All types provide effective protection of connected equipment against common mode and differential mode surge effects according to EN 61643-21. The rated load current of individual protected lines IL = 5 A. 1st stage is solved by using three-pole gas discharge tubes. The number of protected pairs is optional (1-2). PZH HDT*/A is produced for nominal operating voltage of 48 V.
| Mounting method | DIN rail (top hat rail) 35 mm |
| Nominal discharge surge current (8/20) | 15 kA |
| Lightning impulse current (10/350 µs) | 2,5 kA |
| Nominal load current | 5 A |
| Max. continuous voltage DC | 57,6 V |
| Voltage protection level core/core | 270 V |
| Voltage protection level core/earth | 450 V |
| Limiting frequency | 100 MHz |
| Connection 1 | Clamp |
| With remote signalling contact | False |
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