Photovoltaic Panel
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This page explains how Junction Box is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A protective enclosure that houses electrical connections for photovoltaic panels.
Technical details and manufacturing context for Junction Box
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Voltage | 1000 V DC | Maximum system voltage for PV applicationsIEC 62790 |
| Rated Current | 15–30 A | Depends on connector and cable sizeIEC 62790 |
| Ingress Protection | IP65–IP68 | Dust-tight and protected against water jetsIEC 60529 |
| Operating Temperature | -40–85 °C | Continuous operation; peak up to 105°CIEC 62790 |
| Cable Diameter | 4–6 mm | Compatible with standard PV cables |
| Number of Terminals | 2–4 | Typically 2 for series connection, up to 4 for parallel |
| Terminal Cross-Section | 2.5–6 mm² | Suitable for copper conductorsIEC 62790 |
| Material | PPO/PC | Flame retardant, UV resistantUL 94 |
| Dimensions (L×W×H) | 100×80×30 mm | Typical size; varies by model |
| Weight | 80–150 g | Without cable and connectors |
| Tolerance on Dimensions | ±0.5 mm | General tolerance for injection molded partsISO 2768 |
| Dielectric Strength | 6 kV | Withstand voltage for 1 minuteIEC 62790 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
| pressure: | Atmospheric (non-pressurized) |
| other spec: | IP67/IP68 ingress protection, UV-resistant housing |
| temperature: | -40°C to +85°C |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
A practical evidence checklist for RFQ preparation and supplier evaluation.
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12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
The official YCX8-R page lists material, cover and size options for sealed plastic enclosures; knockouts and mounting plates must be specified separately. The protection rating in the text differs from the data table, so request documents for the chosen model and final drilling; the enclosure is not a pre-assembled combiner with protective devices.
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It houses and protects electrical connections, contains bypass diodes to mitigate hot spots, and provides terminals for connecting the panel to the electrical system.
Rated voltage can be up to 1000 V DC, and rated current typically ranges from 15 to 30 A, per IEC 62790. Confirm for your specific model.
Common ratings are IP65 to IP68, indicating dust-tightness and protection against water jets. Verify the exact rating for your application.
Relevant standards include IEC 62790 for junction boxes and IEC 60529 for IP ratings. Always verify compliance with the manufacturer.
This component is essential for the following industrial systems and equipment:
Commonly used trade names and technical identifiers for Junction Box.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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