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HS-3/1 PV Combiner Box
PV combiner box 3 in 1 out 1000VDC, optimized for single-string solar protection.
Integrated gPV fuses, SPD, and DC switch disconnector ensure reliable safety.
Applicable for residential rooftops, ESS storage, and EV solar carports.
Overview
The Kuangya HS-3/1 is a pv combiner box 3 in 1 out designed for 1000VDC solar systems.
It consolidates three DC input strings into a single protected output, reducing wiring complexity and enhancing circuit safety.
Pre-wired components simplify installation and improve reliability for long-term PV operation.
Main Features
- Configuration: 3 input 1 output pv combiner box, supporting multiple PV strings.
- Protective devices: gPV fuses, Type II SPD, and switch disconnector.
- Enclosure: IP65 waterproof housing with UV resistance for outdoor use.
- Compatible with residential solar rooftops, ESS projects, and EV solar charging setups.
- Standards compliance: IEC 60947-3, IEC 61643-31, CE.
Specifications
| Model | HS-3/1 |
| Input / Output | 3 in 1 out |
| Rated Voltage | 1000VDC (also compatible with 600VDC) |
| Fuse | gPV, 15–30A per string |
| Surge Protection | Type II SPD, Uc 1000VDC |
| Switch Disconnector | 32A, 1000VDC |
| Enclosure | PC+ABS, IP65 |
| Standards | IEC 60947-3 / IEC 61643-31 / CE |
Applications
The single string pv combiner box HS-3/1 is widely used in
residential PV rooftops,
energy storage systems (ESS), and
EV solar carports.
It provides a safe connection point for three DC strings, ensuring compliance with global PV standards.
Wiring Diagram
FAQ
Q1: What is the function of the HS-3/1 combiner box?
A1: It merges three PV strings into one protected output, reducing wiring and improving safety.
Q2: Can this box be applied in ESS or EV projects?
A2: Yes, this pv combiner box 3 in 1 out is frequently used in ESS battery storage and EV solar charging applications.
Q3: What surge protection is included?
A3: The HS-3/1 integrates a Type II SPD rated for 1000VDC, protecting the PV system against transient surges.
Q4: Is the enclosure suitable for outdoor installation?
A4: Yes, the IP65 waterproof case provides weather resistance for rooftop and carport use.
Request a Quote
Contact the Kuangya sales team for datasheets, prices, and OEM/ODM customization.
📘 Further Reading & Compliance
Related resources:
🔗 PV combiner box overview
🔗 DC gPV fuses
🔗 DC surge protection devices
🔗 DC switch disconnectors
International compliance:
🌍 IEC standards
🌍 CE certification
🌍 UL safety
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