EZ Solar JB2 PV Junction Box

The EZ Solar 860002753263 JB2 is a rooftop PV junction box designed for combining and disconnecting solar circuits at the array. Built to a NEMA Type 3R enclosure rating, it handles up to 1000 VDC and 120 A while accepting 14 AWG to 6 AWG conductors. Certified to CSA C22.2 No. 290 and UL 1741, it suits installers needing a durable, weather-resistant balance-of-system solution for roof-mounted photovoltaic installations across a wide temperature range.

Key Features:

• PV junction box for combiners and disconnects
• Voltage rated 1000 VDC, 120 A
• NEMA Type 3R weatherproof enclosure
• Allowable wire 14 AWG to 6 AWG
• Operating range -31°F to 167°F
• Dimensions 9″ x 9″ x 7″, weight 3.6 LB
• Roof slope range 2.5 to 12:12
• Max fitting size 1 inch, side wall and floor
• Certified CSA C22.2 No. 290 and UL 1741
• Made in the USA

Ideal for residential and commercial rooftop solar arrays needing weatherproof combining and pass-through connections, the JB2 integrates with standard PV wiring from 14 AWG to 6 AWG and 1-inch conduit fittings, giving installers a code-compliant junction point across steep and shallow roof slopes. Order the 860002753263 from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.