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HT-18 Waterproof Distribution Box
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18-way waterproof distribution box with side-opening hinged cover for larger distribution needs.
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ABS base + PC transparent cover, reinforced lock buckle, rated IP65 for outdoor/indoor reliability.
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Suitable for residential, commercial, and PV combiner applications with fuse, SPD, disconnector, or breaker.
Overview
The HT-18 waterproof distribution box provides 18 circuits in a robust single-row enclosure,
featuring a side-opening hinged cover for convenient access during wiring and inspection.
Built with an ABS base and PC transparent cover, it combines toughness, impact resistance,
and long service life. Rated IP65, it ensures reliable waterproof and dustproof protection for both indoor
and outdoor applications. Structural features include a reinforced lock buckle, multi-ring knockouts, and a copper terminal
assembly tested to 960 °C hot wire standards. For additional models, see the
Waterproof Distribution Box Series.
The HT-18 waterproof distribution box can be integrated with
DC Fuse, Surge Protective Device (SPD),
Switch Disconnector, or
DC Circuit Breaker, making it a strong choice for medium-scale distribution
and PV combiner applications.
HT-18 Waterproof Distribution Box Specification
| Parameter | Value |
|---|---|
| Model | HT-18 |
| Number of circuits | 18 way (Single row) |
| Overall dimensions (L×W×H) | 335 × 225 × 110 mm |
| Zero / Ground row holes | Zero row: 12 holes / Ground row: 12 holes |
| Protection rating | IP65 — see IP Code / IEC 60529 |
| Material | ABS base & frame; PC transparent cover |
| Outer box size (L×W×H) | 620 × 470 × 600 mm |
| Gross weight (entire box) | 24.0 kg |
| Packing quantity | 12 pcs |
| Opening type | Side opening (hinged cover >115°) |
| Structural features | Lock buckle structure; hinge cover; copper terminal assembly; circuit baffle; multi-ring knockouts |
| Standards | GB/T 17466.1; GB/T 17466.24; IEC 60529 (IP65) |
Diagram
Below is the installation diagram of the HT-18 waterproof distribution box (front / side / back).
FAQ
What are the overall dimensions of the HT-18 waterproof distribution box?
335 × 225 × 110 mm (L×W×H).
How many circuits does the HT-18 support?
HT-18 supports 18 circuits in a single-row layout. Zero row: 12 holes; Ground row: 12 holes.
Is the HT-18 suitable for outdoor applications?
Can HT-18 be configured as a PV combiner box?
Yes. When equipped with DC Fuse,
Surge Protective Device (SPD), and a
DC Switch Disconnector or
DC Circuit Breaker, HT-18 can be applied as a PV combiner solution.
Surge Protective Device (SPD), and a
DC Switch Disconnector or
DC Circuit Breaker, HT-18 can be applied as a PV combiner solution.
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