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Overview
- More reliable than using wire nuts, U-joints, or wire taps
- Mountable beneath the PV array
- Works with most microinverter brands
- Works with string inverters and optimizers.
- Twenty year usable outdoor life
- Reduces overall cable and wire BOS costs
- Simplifies installation and commissioning while reducing labor costs
- Terminal Wire Size Range (One Conductor) : (1) #6-#24
- Wire Size Range (Two Conductors): (2) #20-#12
- For RU-2 and RU-2-LP, (4) 2-Prong Jumpers
Specifications
Application | Power Distribution; Corrosive Environments; Power Connections; Controls and Drives |
Color | Light Gray |
Color Code | RAL 7035 |
Connector Type | Screw Clamp |
Depth | 80 mm |
Depth | 3.13 in |
Finish | Smooth Matte |
Height | 178 mm |
Height | 7.01 IN |
Material | Polycarbonate |
Material | Polyester |
Material | Other |
Max Current | 57 A |
Mounting Type | Under-array or adjacent mounting |
Nominal Voltage | 600 V |
Nominal Voltage Type | AC/DC |
Protection Rating | NEMA Type 3 |
Series | RU Solar |
Size | 7.01x7.01x3.13 in |
Terminal Block | Yes |
Thickness | 3.3 mm |
Thickness | 0.13 in |
Type | Fiberglass and Thermoplastic Industrial Terminal and Junction Boxes |
Type | Fiberglass and Thermoplastic Terminal and Junction Boxes |
Weight | 1.37 lb |
Weight | 1.4 lb |
Width | 7.01 |
Width | 178.054 |
Width | 178 mm |
3MB-P
Three Gang Masonry Box, 71.0 Cubic Inches, 3-3/4 Inches Long x 5-1/2 Inches Wide x 3-1/2 Inches Deep, 1/2 Inch and 3/4 Inch Concentric Knockouts, Galvanized Steel, Welded Construction, with #12 AWG Solid Ground Wire Pigtail, For use with Conduit
How to Install the RU-2-LP Solar Transition Box
This guide provides step-by-step instructions for installing and configuring the RU-2-LP Solar Transition Box for efficient DC string management.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors
- Mount the transition box
Secure the RU-2-LP transition box beneath the PV array using the optional box bracket accessory or adjacent to the array using racking system accessories. Ensure it is level and firmly attached.
- Connect the DC strings
Using the screw clamp connectors, connect the DC strings to the appropriate terminals inside the transition box. Ensure that the wire sizes are within the specified range and securely fastened.
- Verify electrical connections
Use a multimeter to check the voltage and continuity of the connections to ensure they are properly established. Confirm that the maximum voltage does not exceed 600V AC/DC.
Frequently Asked Questions about nVent
What industries and applications are nVent products used for?
nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.
What environmental ratings do nVent products have?
nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.
What accessories are available for nVent products?
nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.
What certifications and standards do nVent products comply with?
nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.
What is nVent's warranty policy?
nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.
What technical support does nVent offer?
nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.