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

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EX explosion proof lightning protection box

Interior arrangement of this product adopts fireproofing ethoxyline resin full seal, which has totally no discharge of electric arc.

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

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