Products

Photovoltaic grid-connected box

Photovoltaic grid-connected box picture display overview This product is mainly used in household photovoltaic distributed grid-connected power generation systems and small industrial and commercial photovoltaic power generation systems. It is connected in series between grid-connected inverters and power grids. The product has a series of protections such as anti-island protection, voltage detection, closing and voltage loss trip, power grid low voltage, power grid overvoltage, input lightning protection, system overcurrent, power grid isolation, etc, precise energy metering, transmission and intelligent operation control are essential parts of the household grid-connected power generation system, and the products have passed the industry standard CCC certification and CE certification. The main features of product details are to reserve the installation location of metering meters and collectors. Metering meters can be sealed with windows and lead (anti-theft); The integrated design concept of the product, the power distribution part is completely isolated from the metering part, reducing electromagnetic interference; A variety of self-compound over-under-voltage protectors and photovoltaic special reclosing circuit breakers are optional to meet the use requirements and acceptance standards of different regions. The box cover needs a professional key to be opened to realize professional management; plastic spray box and stainless steel box optional; outdoor installation, the use of more secure; support for special requirements and functional customization. Technical Parameters Product Model BWX (Single Phase) BWX (Three Phase) Installation Power 3KW-20kW3KW-200KW Inverter Input Number 1/2/3/4 (Conjunction Box Suggested Above) Grid-connected Output Number 1 Grid-connected Requirement Single Phase/Three Phase Grid-connected Voltage AC:220 AC:380 Switching Capacity 20A-100A32A-400A Protection Function Short Circuit Protection Overload Protection Lightning Protection (Nominal, Imax Current: In: In:20: 4 0KA,Up≤ 4kv) isolation protection (visual breakpoint) includes (knife switch/hand-pulled isolation switch) over and under voltage protection, automatic reclosing, grid-connected switch self-compound over and under voltage protector (optional) 40A ~ 125A1, automatic disconnection (internal disconnection) when power grid is cut off or bias> 20%; 2, when the power grid returns to normal, automatic suction (internal connection); photovoltaic special small reclosing circuit breaker (optional) 20A-100A1, automatic opening (operation handle action) when the power grid is cut off or bias voltage is> 20%; 2. Automatic closing (operation handle action) when the power grid returns to normal; 3. Manual operation and automatic operation can be switched; 4: when 40A-400A1, power grid power failure or bias> 20% are detected, automatic tripping (delay tripping time 0~10S adjustable>;2, when the power grid returns to normal, automatic closing; 3, manual operation and automatic operation can be switched; 4: phase loss protection, zero break protection 5: check the pressure closing environment applicable temperature, humidity working temperature:-25 to +60 ℃ storage temperature:-40 to +70 ℃: humidity: 0-90% no frost condensation; non-corrosive gas places (if any, please specify) use regular parameters with altitude ≤ 2000M box material stainless steel, cold rolled plate plastic spraying, stainless steel plastic spraying, glass fiber reinforced plastic (SMC), transparent plastic box protection grade outdoor IP45/IP55/IP65 box type double door with epitope (power distribution warehouse, metering warehouse) single door without metering warehouse (optional) installation method wall-mounted box size (length * width * height) customized according to requirements

Category:

PV New Energy Grid Cabinet

Tel:

+86-370-2020101

E-mail:

1074477171@qq.com

Inquiry

Introduction

Photovoltaic grid-connected box

Picture show

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Overview

The product is mainly used in household photovoltaic distributed grid-connected power generation system and small industrial and commercial photovoltaic power generation system. It is connected in series between grid-connected inverter and power grid. The product has a series of protections such as anti-island protection, voltage failure trip, power grid low voltage, power grid overvoltage, input lightning protection, system overcurrent, power grid isolation, etc. Accurate power metering, transmission and intelligent operation control are essential parts of household grid-connected power generation system, products through the industry standard CCC certification, CE certification.

Product Details

Main features

Reserved installation position of metering meter and collector;

Metering meters can be sealed with windows and lead (electricity theft prevention); The integrated design concept of the product, the power distribution part is completely isolated from the metering part, reducing electromagnetic interference; A variety of self-compound over-under-voltage protectors and photovoltaic special reclosing circuit breakers are optional to meet the use requirements and acceptance standards of different regions. The box cover needs a professional key to open to realize professional management;

Spray box and stainless steel box optional; outdoor installation, the use of more secure;

Support special requirements and function customization.

Technical parameters

Product Model	BWX (single phase)	BWX (three-phase)
Installation power	3KW-20kW	3KW-200KW
Number of inverter input	1 way/2 way/3 way/4 way (the above recommended junction box)
Number of grid-connected output circuits	1 road
Grid connection requirements	Single-phase/three-phase grid connection
Grid-connected voltage	AC:220 AC:380
Switching capacity	20A-100A	32A-400A
Protection function
Short circuit protection	Yes
Overload protection	Yes
Lightning protection	Yes (nominal current: In:20KA,Imax: 40KA, Up≤ 4kv)
Isolation protection (visual breakpoint)	(knife switch/hand-pull isolating switch)
Over and under voltage protection	Yes
automatic reclosing	Yes
Grid-connected switch
Self-compound over-under-voltage protector (optional) 40A~125A	1. When the power grid is cut off or the bias voltage is> 20%, it will be automatically disconnected (internally disconnected); 2. When the power grid returns to normal, it will automatically suck (internally connected);
Photovoltaic special small reclosing circuit breaker (optional) 20A-100A	1. When the power grid is cut off or the bias voltage is more than 20%, the brake will be automatically opened (operation handle action); 2, when the power grid returns to normal, automatic closing (operating handle action); 3. Manual operation and automatic operation can be switched; 4: Check pressure closing
Plastic case reclosing (optional) 40A-400A	1. when the power grid is cut off or the bias voltage is> 20%, it will automatically trip (the delay trip time is adjustable from 0 to 10S>; 2. Automatic closing when the power grid returns to normal; 3. Manual operation and automatic operation can be switched; 4: phase loss protection, zero break protection 5: Check pressure closing
Environment applicable
Temperature and humidity	Operating temperature:-25 to +60 ℃ Storage temperature:-40 to +70 ℃: Humidity: 0-90% without frost condensation; No corrosive gas place (if any, please specify)
Use Altitude	≤ 2000M
regular parameters
Box material	Stainless steel, cold rolled plate plastic spraying, stainless steel plastic spraying, glass fiber reinforced plastic (SMC), transparent plastic box
Protection level	Outdoor IP45/IP55/IP65
Type of box	Double door with epitope (distribution warehouse, metering warehouse) Single door without metering warehouse (optional)
Installation method	Wall-mounted
Box size (length * width * height)	Customize on demand