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PV Combiner Box 4 in 2 out 1000VDC | HS Series with Fuse, SPD & Switch
(1) PV combiner box 4 in 2 out for 1000VDC solar PV systems.
(2) Integrated 4× DC fuses + Type 2 SPD + DC switch disconnector for string safety, surge suppression, and isolation.
(3) Weatherproof IP65 / IK09 polycarbonate housing, wall-mounted, with PG cable glands 2.5–16 mm².
HS Series — PV Combiner Box 4 in 2 out 1000VDC
The HS Series pv combiner box 4 in 2 out is designed for PV systems combining four DC inputs into two independent outputs. It integrates
DC fuses, a Type 2 SPD, and a DC switch disconnector, ensuring overcurrent protection, surge suppression, and safe isolation during maintenance.
Explore more models on the PV Combiner Box landing page, and discover our OEM services on the manufacturer page. For breaker-based variants, see DC Breaker models. Contact us for quotations via the contact page.
Key Features
- Topology: 4 in 2 out (four PV string inputs, two outputs)
- System Voltage: 1000V DC
- Protection Devices: 4 × 10×38 mm DC fuses (16 A), Type 2 SPD (40 kA), DC switch disconnector
- Enclosure: Polycarbonate, IP65 ingress & IK09 impact protection
- Wiring: PG09 inputs & PG21 outputs, conductor range 2.5–16 mm²
- Standards: SPD tested to
IEC/EN 61643-31; compliant with
CE and
UL (where applicable).
Technical Specifications
| Specification | Value |
|---|---|
| Series | HS |
| Input / Output | 4 in / 2 out (independent outputs) |
| Max System Voltage | 1000V DC |
| Max Input Current | 16 A per string |
| Max Output Current | 2 × 32 A |
| Surge Protective Device | Type 2 SPD, 40 kA |
| Fuse | 4 × 10×38 mm DC fuses, typ. 16 A |
| Switch Disconnector | DC switch disconnector, 32–63 A |
| Enclosure | PC, IP65 |
| Impact Resistance | IK09 |
| Dimensions | ~300 × 260 × 120 mm |
| Cable Entries | PG09 inputs, PG21 outputs |
| Conductor Size | 2.5–16 mm² |
| Operating Temperature | −20 ℃ ~ +60 ℃ |
| Humidity | ≤ 99% |
| Altitude | ≤ 2000 m |
| Installation | Wall-mounted |
Wiring Diagram
Applications
- Residential & small commercial PV systems with 4 strings
- Medium rooftop arrays requiring dual protected outputs
- Outdoor solar projects with IP65/IK09 requirements
See also: DC Fuses, Surge Protective Devices, DC Switch Disconnectors, DC Breakers.
FAQ
What is a pv combiner box 4 in 2 out?
A combiner box for four PV string inputs and two outputs, with fuses, SPD, and a switch disconnector for protection and isolation.
Does it offer surge protection?
Yes, it includes a Type 2 SPD rated 40 kA, tested to IEC/EN 61643-31 standards.
Is it suitable for outdoor use?
Yes, the enclosure is polycarbonate, IP65 ingress and IK09 impact resistant.
How many outputs does it provide?
Two independent outputs, each protected by fuses and connected via the disconnector.
Request a Quote
Provide your PV string configuration and we will propose the right HS combiner box. Request a quote →
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