Contact for Pricing
Overview
- Grounding provisions
- Hub opening at top with cover
- Provisions for padlocking or seal
- Distribution lugs installed (see table for sizes)
- Knockouts on bottom of enclosure
- Removable cover
- Drip-shield top and seam-free sides, front and back
- Terminal Boxes are finished with paint over plated surfaces
Specifications
Amps | 100 A |
Application | Power Distribution |
Bar Quantity | 4 |
Color | Gray |
Color Code | ANSI 61 |
Connection Type | Screw Terminal |
Current | 100-100 A |
Current Rating | 100 A |
Depth | 4.5 |
Depth | 114 |
Depth | 13 IN |
Finish | Galvanized |
Height | 44 IN |
Height | 18 |
Height | 457 |
IP Rating | IP32 |
Material | Steel |
Material | Mild Steel |
Material | Mild Steel;Steel |
Modification Services | Yes |
Mounting Type | Wall Mount |
NEMA Rating | Type 3R |
NEMA Rating | 3R Weather-resistant, except dust |
NEMA Rating | 3r |
Number of Phases | 3 Ph |
Phase | 3Ø Ph |
Poles | 3-Phase |
Protection Rating | NEMA Type 3R |
Series | nVent 3R Steel Terminal Box |
Size | 18.00x8.00x4.50 in |
Thickness | 1.52 mm |
Thickness | 16 ga |
Thickness | 51.40mm (2.024") |
Type | Utility Cabinets |
Type | Utility / Canadian Cabinets and Splitters |
Type Number | Type 3R |
Voltage AC | 600 V |
Voltage Rating | 600 V |
Weight | 15.8 lb |
Width | 8 |
Width | 203 |
Width | 23 IN |
Wire Range | (6) #14-2/0 kcmil |
Wire Size | (6) #14 - 2/0 |
Package Dimensions (L x W x H) | 18.9 IN x 12.6 IN x 7 IN |
Package Dimensions (L x W x H) | 48.006 cm x 32.004 cm x 17.78 cm |
Package Weight (Imperial) | 15.800 L |
Package Weight (Metric) | 7.167 kg |
How to Install the TB3R103 Terminal Box
This guide provides step-by-step instructions for installing and configuring the TB3R103 Terminal Box for outdoor commercial and industrial applications.
Estimated time: 45m
Tools needed:
Screwdriver, Wire strippers, Multimeter
Supplies needed:
Mounting screws, Terminal connectors
- Mount the terminal box
Secure the TB3R103 terminal box to the designated mounting surface using the provided mounting screws. Ensure the box is level and firmly attached.
- Connect the wiring
Open the terminal box cover and connect the incoming feeder wires to the distribution lugs inside the box. Use terminal connectors as necessary to ensure secure connections.
- Verify electrical connections
Use a multimeter to check the voltage at the distribution lugs to ensure proper electrical connections. Confirm that the voltage matches the specifications for the TB3R103.
- Seal and secure the cover
Once all connections are verified, replace the terminal box cover and ensure it is securely fastened. Consider using a padlock or seal for added security.
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.