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AC Combiner Box 3in1
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AC Combiner Box 3in1





For large PV power generation system,In order to reduce the grid connection between the grid-connected inverter and the cabinet, it is convenient to maintain and improve the reliability.It is necessary to add a DC bus between the PV grid-connected inverter and the cabinet.PV AC lightning protection combiner box series products of the company is specially designed to meet this requirement,Can be composed of PV inverter products matching with complete PV system solutions.Using Ac combiner box,the user can according to the AC power cabinet rated input current and voltage, the output of a certain number of grid connected inverter by lightning protection device and circuit breaker for confluence, convenient access level power cabinet.

Technical data

NumberParameter nameValue
2Rated input voltage:(V)480V ac
3Rated insulation voltage:(V)690V ac
4Rated frequency(Hz)50
5Busbar rated current:(A)400A

Rated short-time withstand current

effective value Icw(1 sec)(kA)

Horizontal bus30

Rated short-time withstand current

maximum value  Ipk(kA)

Horizontal bus30
8Power frequency withstand voltage for 1 minutes(V)2500VAC

Temperature rise:Conforms to IEC 947-1 for temperature rise,and the temperature rise

does not exceed the corresponding standard

requirements of the component.

Terminals for external insulated conductors:

Not more than 70K

Busbar connection(Copper - Copper):

Not more than 70k

Handle the surface of the insulation

is not greater than 25K

Contactable shell and sheathing, metal

surface is not greater than 30K

10Input switch3ways.100A/3P.MCCB
11Output switch1way.400A/3P.MCCB
13Protection levelIP65,outdoor class B,IP20 After opening
14Lightning protection levelClass C lighting         protection
16Fire-proof levelUL790 - Class C
17Environmental requirementssatisfied
18InstallationWall type/Rack mounted
19Way of entry and exitDown in  and out
20Maintenance mode

Positive maintenance, and the circuit breaker

has a protective panel

Photovoltaic Lighting-Proof Combiner Box

Product Inquiry
Add: Xinguang Road 170, Liushi Town, Yueqing City, Wenzhou, Zhejiang, China
Phone: +86-577-27853896
Tel: +86-13567765657

Fax: +86-577-27873967




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