A surge protective device ( SPD ) is a protective device for limiting transient voltages by diverting or limiting surge current and is capable of repeating these functions as specified. SPDs were previously known as Transient Voltage Surge Suppressors ( TVSS ) or secondary surge arrestors (SSA). Specifications: Type Type 2 Phase Three Phase No.of Poles 2P Highest Voltage Protection 275V AC Brand TENSE Max Discharge Current 40kA Certification CE,RoHS Breaking Capacity 40kA Application Solar And Other Electrical industries Package Includes: 1 x Surge Protective Device