SPI Series B grade surge protector for AC 50/60Hz, 380V and below TN-S, TN-CS, TT, IT and other power supply system, as the lightning equipotential bonding, the design basis in line with GB18802.1, IEC61643 -1, 35mm shell in the electrical design and installation of rail, the failure of the product built from the device, when the surge protector overheating due to over-current, breakdown failure, failure from the device can automatically remove it from the power line from the same time visual alarm indication module from green (normal) to red (fault). Kevin wiring, remote output, SPI2, SPI4 series surge protector module can be changed online.
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