EZSOLAR JB-2 PV JUNCTION BOX

EZ Solar JB-2 PV Junction Box

The EZ Solar JB-2 is a rooftop PV junction box specifically engineered for concrete tile roofs. It solves the long-standing challenge of securely installing junction boxes on tile roofs without compromising roof integrity or creating leak points.

Key Features

• Tile Roof Integration: Designed to work with most Flat, Spanish, and W-Shaped concrete tiles. The innovative flashing and box design securely fastens directly to the roof deck.
• Leak-Proof Design: Engineered for zero leaking with a robust Type 3R rainproof enclosure and proper lid sealing.
• Flexible Wiring: Allows conduit or cable entry through up to 3 sidewalls plus floor pass-through for superior wire management.
• Easy Installation: Fast, tool-efficient setup with included flashing and hardware. Revolutionary DIN rail positioning for straightforward internal component mounting.
• Durable Construction: Made with advanced UV-resistant polymers engineered for 25+ years of outdoor PV exposure. Proudly made in the USA.

Technical Specifications

• Maximum Voltage: 1,000 Volts
• Maximum Current: 120 Amps
• Wire Range: 14 AWG – 6 AWG (copper conductors)
• Enclosure Rating: NEMA/Type 3R
• Operating Temperature: -35°C to +75°C
• Roof Slope Range: 2.5:12 to 12:12
• Certifications: UL 1741, CSA C22.2 No. 290
• Warranty: Industry-leading 25-year warranty

Applications

The JB-2 is ideal for residential and commercial solar installations on tile roofs. It serves as a centralized point for combining strings, transitioning wiring, or housing overcurrent protection and monitoring equipment in PV systems.

What’s Included

• JB-2 Junction Box Body + Lid
• JB-2 Flashing
• Neutral Bar and DIN Rail
• Mounting screws

Note: Conduit hubs, terminal blocks, wire nuts, and strain reliefs are not included (installer selects site-specific components).

The EZ Solar JB-2 delivers a professional, reliable, and installer-friendly solution for tile roof solar projects, combining durability, flexibility, and ease of use. It is available through solar distributors and EZ Solar Products.