Consistent pluggability(even for N/PE spark gap). Own developed technology to manufacture MOV. Thermal disconnect device for each individual connector. Optical,mechanical status indication for the individual arresters. With or without floating remote indication contact. Suitable for almost all network configurations. Applied in PSD Class I (Class B) for various power supply system. Din rail mountable (35 mm²).Designed according to IEC 61643-1/GB 18802.1 Brand GEYA Manufacturer ZHEJIANG GEYA ELECTRICAL CO.,LTD Mfr Part Number GSP9-12.5KA-3P+N-275VAC