CE TUV 150V 250V 315A 1000V 1500V PV System Outdoor Safety Isolator Disconnect Switch

The produced energy can be used to power a local load (off-grid systems) or it can be fed into the public power-grid (grid-connected systems). As the PV generator output is direct DC and most loads and public grids generally accept only AC, PV inverters are used to perform the necessary DC-AC conversion.

As the current and voltage output of a PV generator are not constant, the inverter must also adjust to the changes at its input circuit so that the maximum possible power is drawn from the generator. The international standard IEC 60364-7-712 requires a means for disconnecting the inverter from both sides, specifically demanding a switch disconnector to be provided on the DC side of the PV inverter. This allows the disconnection and reliable isolation of the inverter from all DC sources.

A glass fibre reinforced polyester break chamber with an arc extinguishing system provides a patented safety disconnection system offering rapid extinguishing of the electric arc up to 1500 VDC and current interruption up to 800 A.

These units are intended for use in photovoltaic installations and solar inverters. They can be remotely controlled via volt-free contacts, from either an external automatic controller or a switch.

In addition to its motorised operation, the device also includes a manual operation facility, enabling the switch position to be changed directly on the device if required.