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Photovoltaic Junction Box
  • Photovoltaic Junction BoxPhotovoltaic Junction Box
  • Photovoltaic Junction BoxPhotovoltaic Junction Box

Photovoltaic Junction Box

Photovoltaic Junction Box produced by Kexun in China factory is suitable for photovoltaic tandem power generation system, which undertakes the important power protection part of tandem inverter and power grid system. It adopts secondary lightning protection, and the protection level is IP65, which is used for outdoor installation to meet the requirements of waterproof, dustproof, ultraviolet protection and salt spray corrosion.
Model:KXHLX
Brand:KEXR

● KXHLX type Photovoltaic Junction Box features

The internal structure of Photovoltaic Junction Box is simple and clear, and the wiring is neat and reasonable. High reliability and simple maintenance. Outdoor wall-mounted installation can adapt to various harsh environments. Besides standard materials and sizes, it can be customized according to user's requirements.


● Technical parameters of the KXHLX type Photovoltaic Junction Box

◆ AC type Photovoltaic Junction Box

Item

KXHLX-AC4

KXHLX-AC4

KXHLX-AC8

Input lines

1~4

5~6

7~8

Max input voltage

690V

Lines input current

0~100A

Max output current

250A

400A

630A

Rated voltage

480VAC

Voltage protect level

480VAC

Nominal flow capacity (8/20μs)

20KA(Matching according to customer requirements)

Max flow capacity (8/20μs)

40KA(Matching according to customer requirements)

Response time

<25ms

Temperature and humidity

Working temperature:-40~85℃,95% ,No condensation and corrosive gas

Altitude

Less than 4000m

Cabinet material

Hot dip galvanized steel plate/stainless steel/cold rolled steel plate/engineering plastics

Cabinet IP degree

IP65

Cable connection IP degree

IP66

Cable connection dimensions:W*H*D

800*600*200 mm

800*800*200 mm

800*1000*200 mm


◆ DC type Photovoltaic Junction Box

Item


KXHLX-PV6/2

KXHLX-PV6/3

KXHLX-PV6/4



Electric parameter

Max system DC voltage

1000

1000

1000

Max each line input current

20A

20A

20A

Max input lines

6

6

8

Max output switch current

32A/40A

20A/32A

20A/32A

Inverter MPPT quantity

2

3

2

Output lines

2

3

2




Lightning protection

Test type

Secondary protection

Secondary protection

Secondary protection

Nominal discharge current

20KA

20KA

20KA

Max discharge current

40KA

40KA

40KA

Voltage protect level

3.8KV

3.8KV

3.8KV

Maximum continuous working voltage

1050V

1050V

1050V

Poles

3P

3P

3P

Structure characters

Plug-in module






Lightning protection characteristics

IP degree

IP65

Output switch

DC circuit breaker/DC rotary disconnector

SMC4 waterproof connector

standard configuration

PV DC fuse

standard configuration

PV DC surge protection device

standard configuration

Monitoring module

N

Antireflection diode

N

Box material

PVC

Install method

Wall hanging type

Working temperature

-25~55℃

Altitude

2000m

Allowed humidity

0~95% ,Non-condensation

Width *Height*Depth(mm)

400*300*160

500*400*190

500*400*190



Hot Tags: Photovoltaic Junction Box
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