Description
🔌 EZ Solar JB‑3 Rail‑Mount or Panel‑Mount Junction Box
The JB‑3™ is a versatile outdoor-rated junction box engineered for PV installations on rails or module frames. With universal stainless steel clamps and a UV-resistant polycarbonate enclosure, it offers fast, secure, and leak-proof mounting for rooftop solar systems.Â
đź“Ś Key Features:
-
Installs directly to any rail (squared or rounded) or module frame using self-leveling stainless steel clamps.
-
UL 1741 and CSA C22.2 No. 290 certified; rated up to 1,000 V DC and 80 A continuous current.
-
109 inÂł interior volume, DIN rail and neutral bus included; cable entry permitted through three sides.
-
Durable polycarbonate enclosure with UV inhibitors, NEMA 3R rating.
-
Operating range from -35 °C to +75 °C, weight approx. 1.40 lb.
-
Backed by a 25-year manufacturer warranty.
📄 Download the official EZ Solar JB‑3 Specification Sheet (PDF)
🛠️ Download the official EZ Solar JB‑3 Installation Manual (PDF)
đź“‹ Technical Overview
| Specification | Details |
|---|---|
| Max Voltage / Current | 1,000 V DC / 80 A continuous |
| Cable Capacity | 14 AWG–6 AWG |
| Internal Volume | 109 cubic inches |
| Mounting Options | Rail or panel via universal clamps |
| Enclosure Rating | Polycarbonate, UV-resistant, NEMA 3R |
| Operating Temp. | –35 °C to +75 °C |
| Weight | ~1.40 lb |