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 In8/20µs 

30KA

20KA

10KA

Maximum discharging current Imax8/20µs

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



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