Description

The EZ Solar JB-3 is a universal rail-mounted junction box for making rooftop wiring connections far easier. With flexible stainless steel clamps, you can mount to any rail, whether rounded or squared.

JB-3 Rooftop Junction Box Features

• Self-leveling
• Securely connects to rail
• Fast and easy installation
• No leaking
• Includes DIN rail and rail mounting strapping

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JB-3 Specifications and Ratings

• Maximum Voltage: 1,000 Volts
• Maximum Current: 80 Amps
• Allowable Wire: 14 AWG – 6 AWG
• Spacing: Please maintain a spacing of at least ½” between uninsulated live parts and fittings for conduit, armored cable, and uninsulated live parts of opposite polarity.
• Enclosure Rating: Type 3R
• Roof Slope Range: 2.5 – 12:12
• Max Side Wall Fitting Size: 1”
• Max Floor Pass-Through Fitting Size: 1”
• Ambient Operating Conditions: (-35°C) – (+75°C)
• Compliance:
  • JB-3: UL1741, CSA C22.2 No. 290
  • Approved wire connectors: must conform to UL1741
• System Marking: Interek Symbol and File #5025824
• Periodic Re-inspections: If re-inspections yield loose components, loose fasteners, or any corrosion between components, components that are found to be affected are to be replaced immediately.

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JB-3 Document Downloads