SALTEK SPD type 1–3 with a “V“ in the part number are made with replaceable modules. This enables simple withdrawal
of the module from its base to test the systems insulation, without the need to disconnect the device from the circuit.
Furthermore the new modules enable simple up-down orientation of the SPD, according to the incoming cables and also it
serve for fast and easy replacement in case of failure.
The replacement modules (marked “xxx V/0”) are identical to the ones used in original product.
The voltages used cannot be mixed because of the identical voltage key on the module and the corresponding base part.