nVent TBHUB12 - Interchangeable Bolt-on Hub, Fits Conduit Size 1.25, Anodized, Aluminum
nVent

TBHUB12

UPC: 783510155568


Documents & Media
Installation Instructions

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Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The nVent TBHUB12 Interchangeable Bolt-on Hub is a high-performance conduit entry solution designed for secure and adaptable installations in industrial and commercial environments. Engineered to fit 1.25-inch conduit sizes, this anodized aluminum hub provides a durable, corrosion-resistant interface for routing cables into terminal boxes, enclosures, and control panels while maintaining critical environmental ratings. As part of nVent’s trusted portfolio of electrical infrastructure solutions, the TBHUB12 delivers uncompromising reliability, ease of installation, and long-term performance—ideal for professionals who demand precision and compliance in demanding applications. Key Features and Benefits: - **Interchangeable Design**: The TBHUB12 features a modular bolt-on configuration, allowing for quick adaptation to varying conduit sizes within its supported range (1 to 2.5 inches). This flexibility eliminates the need for multiple hub types, reducing inventory complexity and streamlining procurement for facilities and contractors. - **Premium Anodized Aluminum Construction**: Constructed from high-grade aluminum and finished with an anodized coating, the TBHUB12 offers superior resistance to corrosion, oxidation, and harsh environmental conditions. This ensures consistent performance in outdoor installations, chemical plants, marine environments, and other corrosive settings. - **Environmental Rating Integrity**: Designed to maintain IP (Ingress Protection) ratings when properly installed, the TBHUB12 safeguards against dust, moisture, and other contaminants. This makes it suitable for use in NEMA-rated enclosures, hazardous locations, and applications requiring compliance with IEC, UL, or CSA standards. - **Secure Bolt-On Installation**: The hub features a robust bolt-on mechanism that ensures a tight, vibration-resistant seal between the conduit and terminal box. This prevents cable pull-out, reduces the risk of ingress, and enhances overall system integrity—critical in high-vibration environments such as manufacturing floors or transportation hubs. - **Compatibility and Versatility**: Compatible with a wide range of terminal boxes and enclosures, the TBHUB12 supports efficient cable management and organization. It is ideal for use in power distribution panels, motor control centers, telecommunications shelters, and renewable energy installations where organized conduit routing is essential. Typical Applications: The nVent TBHUB12 is widely used across multiple industries where reliable conduit entry and environmental protection are paramount. In manufacturing plants, it facilitates clean, organized cable entry into control panels and junction boxes, reducing clutter and improving maintenance access. In commercial buildings, it supports structured cabling systems for lighting, HVAC, and security systems, ensuring compliance with building codes and fire safety standards. In renewable energy projects—such as solar farms and wind turbines—the TBHUB12 provides durable, weatherproof conduit entry points that withstand prolonged exposure to UV radiation and temperature extremes. Why Choose nVent? nVent is a global leader in electrical and thermal management solutions, known for innovation, quality, and reliability. With decades of experience in the electrical infrastructure market, nVent designs products that meet the rigorous demands of engineers, contractors, and facility managers. The TBHUB12 reflects this commitment, offering a combination of performance, durability, and ease of use that reduces installation time and minimizes long-term maintenance costs. Backed by comprehensive technical support and adherence to international standards, nVent products like the TBHUB12 are trusted in mission-critical applications worldwide. Installation and Selection Considerations: When selecting a conduit hub, professionals should consider conduit size compatibility, environmental exposure, and enclosure type. The TBHUB12’s 1.25-inch fit makes it ideal for mid-sized conduit runs, while its anodized finish ensures longevity in corrosive environments. For optimal performance, ensure proper torque during installation to maintain seal integrity and verify compatibility with local electrical codes. Always consult the terminal box manufacturer’s specifications to confirm dimensional fit and environmental rating compliance. In summary, the nVent TBHUB12 Interchangeable Bolt-on Hub is more than just a conduit entry point—it’s a critical component in building resilient, compliant, and maintainable electrical systems. Whether upgrading existing infrastructure or designing new installations, this hub delivers the performance and peace of mind that professionals demand.
  • Interchangeable Bolt-on Hub is used for easy and secure entry through the top of on terminal boxes and accommodate conduits sizes 1 to 2.5 inches, while maintaining environmental rating
  • Anodized aluminum construction for superior corrosion resistance
  • Maintains environmental ratings for dust, moisture, and contaminants
  • Secure bolt-on installation prevents cable pull-out and vibration issues
  • Compatible with NEMA-rated enclosures and hazardous locations

Specifications

Application
Power Distribution
Cable Entry
Fits 1.25" conduit
Color
Unpainted
Color
Anodized Aluminum
Finish
Anodized
Fits Conduit Size
1 in
Fits Conduit Size
1.25 in
Ip Rating
IP66/IP67
Material
Anodized Aluminum
Material
Aluminum
Modification Services
Yes
Mounting Type
Bolt-On
NEMA Rating
3R Weather-resistant, except dust
NEMA Rating
3r
Protection Rating
NEMA Type 3R
Series
TBHUB
Size
1.25 inches
Type
General Accessories
Type
Commercial Accessories
Weight
0.3 lb
Works With
NEMA
Package Dimensions (L x W x H)
7 IN x 5 IN x 1.25 IN
Package Dimensions (L x W x H)
17.78 cm x 12.7 cm x 3.175 cm
Package Weight (Imperial)
0.300 L
Package Weight (Metric)
0.136 kg
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TBHUB25

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TBL100

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TBL200

Lug Assembly, Wire Range (6) #6-350 MCM, Tinned, Aluminum
Lug Assembly, Wire Range (6) #4-600 MCM, Tinned, Aluminum

TBL400

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Terminal box, 64x98x36, no MP, aluminium, IP66

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Terminal box, 160x160x90, no MP, aluminium, IP66

HALP161609GE

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Terminal box, 80x250x57, no MP, aluminium, IP66

HALP082506GE

Terminal box, 80x250x57, no MP, aluminium, IP66
Terminal box, 64x58x36, no MP, aluminium, IP66

HALP060604GE

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How to Install the TBL200 Terminal Box

This guide provides step-by-step instructions for installing and wiring the TBL200 Terminal Box for commercial and industrial applications.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the terminal box

    Secure the TBL200 Terminal Box to a suitable surface using the provided mounting screws. Ensure it is level and firmly attached.

  2. Connect the grounding wire

    Attach the grounding wire to the grounding provision inside the terminal box to ensure proper grounding. Use a multimeter to verify the connection.

  3. Wire the branch circuits

    Connect the feeder wires to the distribution lugs inside the terminal box. Ensure that the wire connections are tight and secure.

  4. Install the removable cover

    Place the removable cover back onto the terminal box and secure it properly to protect the internal components.

  5. Verify the installation

    Use a multimeter to check the voltage at the output terminals to ensure proper installation and functionality.

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.