This product is mainly used in household distributed grid-connected photovoltaic power generation system and small industrial and commercial photovoltaic power generation system, which is connected in series between grid-connected inverter and power grid. The product has a series of protections, such as islanding protection, voltage failure and tripping of power grid, over-voltage of power grid, input lightning protection, system over-current, power grid isolation, etc. Accurate electric energy metering, transmission and intelligent operation control are essential parts of household grid-connected power generation system, and the product has passed the industry standard CCC certification and IS9001 quality management system certification.
| product model | HHBWX(monophase) | HHBWX(three-phase ) |
| Installation power | 1KW-20kW | 3KW-200kW |
| Number of inverter input paths | 1-way /2-way /3-way /4-way (junction box is recommended above) |
| Number of output paths | 1 road |
| Grid connection requirements | Single-phase/three-phase grid connection |
| Grid-connected voltage | AC:220V AC:380V |
| Switching capacity | 20A-100A | 32A-400A |
| defencive function |
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| Short circuit protection | have |
| overpower protection | have |
| Lightning protection | Yes (nominal current: In:20KA,max:4 0KA,Up≤ 4kV). |
| Isolation protection | Yes (breaker/hand disconnector) |
| Overvoltage and undervoltage protection | have |
| auto reclosing | have |
| Grid-connected switch |
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Self-assembled overvoltage and undervoltage protector (optional) 40A~125A | 1. Automatic disconnection (internal disconnection) when the power grid is cut off or the bias voltage is greater than 20%; 2, when the power grid returns to normal, automatic pull-in (internal connection); |
Small reclosing circuit breaker for volt (optional) 20A~100A | 1. When the power grid is cut off or the bias voltage is greater than 20%, the brake will be automatically opened (operating handle action); 2. When the power grid returns to normal, it will automatically switch on (operating the handle); 3. Manual operation and automatic operation can be switched;
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Shell reclosing (optional) 40A~400A | 1. When the power grid is cut off or the bias voltage is greater than 20%, the brake will be automatically opened (operating handle action); 2. When the power grid returns to normal, it will automatically switch on; 3. Manual operation and automatic operation can be switched; 4, lack of phase protection, zero protection 5, check the pressure switch. |
| Environmental applicability |
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| Temperature and humidity | Working temperature: -25 to +60℃ Storage temperature: -40 to +70℃ Humidity: 0-90% without frost; Places without corrosive gas (if any, please specify) |
| Use altitude | <3000M |
| Salt spray resistance | Standard salt spray test for 336 hours. |
| Conventional parameters |
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| Box material | Cold-rolled sheet spray, stainless steel spray, stainless steel, glass fiber reinforced plastic (SMC), transparent plastic box. |
| the protection grades | Outdoor IP45/IP55/IP65 |
| Box type | Two doors with meters (power distribution bin and metering bin) and one door without metering bin (optional) |
| Installation mode | Indoor and outdoor wall-mounted |
| Box size, depth, width and height | 180X400X600 180X500X750(Customizable size) |
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