EX explosion proof lightning protection box HD-D380（220）C-EX

With certification of EX explosion proof function, it's more protective. It's applicable to Grade 3 lightning protection of general 

supply in building, machine room, plant, enterprise and some other operating environment, which can restrain the overvoltage 

on the power line effectively and make sure the safe operation of electronic equipment and other utilization equipment.
 

	Technical Parameter List: 



	 



	
	

		
		

			
			

				
				

					
					

						Model
					

				

				

					
					

						HD-D380(220)C-EX60
					

				

				

					
					

						HD-D380(220)C-EX40
					

				

				

					
					

						HD-D380(220)C-EX20
					

				

			

			

				
				

					
Nominal working voltage Un
				
				

					

						380V/220V
					
				
				

					

						380V/220V
					
				
				

					

						380V/220V
					
				
			
			

				

Maximum continuous working voltage Uc
				
				

					

						385V/275V
					
				
				

					

						385V/275V
					
				
				

					

						385V/275V
					
				
			
			

				

Nominal discharge current In（8/20μs） 
				
				

					

						30KA
					
				
				

					

						20KA
					
				
				

					

						10KA
					
				
			
			

				

Maximum discharging current Imax（8/20μs）
				
				

					

						60KA
					
				
				

					

						40KA
					
				
				

					

						20KA
					
				
			
			

				

Voltage protection level Up
				
				

					

						2KA
					
				
				

					

						1.6KV
					
				
				

					

						1.2KV
					
				
			
			

				

Prepositive overflowing protection
				
				

					

						63A
					
				
				

					

						32A
					
				
				

					

						15A
					
				
			
			

				

Dimension
				
				

					

						260×180×120mm
					
				
			
			

				

Response time Ta
				
				

					

						≤25ns
					
				
			
			

				

Operating temperature range Tup 
				
				

					

						-40℃至+70℃
					
				
			
			

				

Section of minimum installed conductor 
				
				

					

						6mm2multi-folded wire
					
				
			
			

				

Explosion proof function 
				
				

					

						Yes
					
				
			
			

				

Protection grade 
				
				

					

						IP67
					
				
			
			

				

Sheathing material
				
				

					

						Aluminum alloy
					
				
			
			

				

Mode of connection 
				
				

					

						Parallel
					
				
			
			

				

Protection mode 
				
				

					

						4+0/3+1/1+1/2+0