PZH R3 HSAD16/*VDC is a surge arrester designed for DC power supply systems. PZH R3 HSAD16/*VDC contains an improved thermal fuse which ensures timely disconnection of the device from the power grid during overheating and thus prevents damage to the PZH R3 HSAD16/*VDC. Activation of the thermal fuse is signalled by an integral indicator light with the option to utilize its switching contact for remote fault signalling (S). The PZH R3 HSAD16/*VDC is a type T3 two-port surge arrester and has been tested according to standards EN 61643-11 (IEC 61643-11:2011). According to standard EN 62305 (IEC 62305:2010), it is installed in the boundary between zones LPZ 2 - LPZ 3, where it limits induced overvoltage and residual overvoltage in power lines. PZH R3 HSAD16/*VDC are designed to be mounted on a 35 mm DIN rail using a metal clip. Manufacturer’s recommendation: Install the PZH R3 HSAD16/*VDC as close to the device to be protected as possible (no further than 5 m). There must be HERMI’s lightning and surge arrester T1 and T2 installed before the PZH HSAD16/*VDC.
| Mounting method | DIN rail (top hat rail) 35 mm |
| Max. conductor cross section flexible (fine-strand) | 4 mm² |
| Max. conductor cross section solid (solid, stranded) | 6 mm² |
| Nominal voltage DC | 60 V |
| Nominal load current | 16 A |
| Max. continuous voltage DC | 72 V |
| Nominal discharge surge current (8/20) (L-N) | 2 kA |
| Total discharge current (8/20) (L+N-PE) | 4 kA |
| Voltage protection level | 0,35 kV |
| Voltage protection level L-N | 0,35 kV |
| Voltage protection level L-PE/N-PE | 0,6 kV |
| With remote signalling contact | False |
| Signalling at the device | Optical |
| Category type 3 | True |
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