·It used in preventing the consumers from being damaged by lightning induced over-voltage or operating over-voltage.
·The protection module and the base are designed into removable style,which can guarantee that the damaged ones get changed in time.
·A heat tripping/deterioration device is placed inside the protection module so that the device inside can separate the protected parts from the power when protected parts get stricken by over frequency or extreme surge.
·Module design,convenient installation,with easy electric maintains operation.
·Built-in over current and over heat,temperature control open circuit technology.
·Adopt independent intelligence property right and high performance sensitivity resistance plates.
·With remote connection,can realize remote control.
·Indicate alarm display,white (normal),red (malfunction).
·LND3-B30 with B protection grade are installed in the low voltage inlet main switch cabinet of the buildings.
·LND3-C20 with C protection grade are almost applicable for the lightning surge protection of power supply system of building,floors or indoor distribution box,branch cabinet of low voltage switch cabinet.
·LND3-D10 with D protection grade satisfy protection requirement about end of electric equipment.