ABB - Installation Products UT 750-21 R - Flood Seal Aluminum Transformer Mechanical Connector for 1 Inch Stud 1-14 UNS-2B Left Hand Thread, 2 Towers with 2-Holes each (1/0-750 MCM) with Rockets, also includes (1) Adapter, (1) Black Cap, (1) 1-14 Steel Jam Nut, (2) Insulating Rockets, (1) EPDM Stud Cover, (4) Screws, Grease and Instuction Sheet. 5.5 inch wide x 6.275 inch tall. Gray PVC Coating. Stud Connector Section Welded to Towers.
ABB - Installation Products

UT 750-21 R

UPC: 783786755936


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Overview

The ABB UT 750-21 R Flood Seal Aluminum Transformer Mechanical Connector is designed for secure and reliable electrical connections in transformer applications. This connector features a robust aluminum construction with a gray PVC coating for enhanced durability and environmental resistance. It is engineered to accommodate a 1-inch stud with a 1-14 UNS-2B left-hand thread, ensuring precise fitment. The connector includes two towers, each equipped with two holes, capable of handling conductor sizes from 1/0 to 750 MCM. The design incorporates insulating rockets for secure conductor termination and includes essential accessories for installation: one adapter, one black cap, one 1-14 steel jam nut, two insulating rockets, one EPDM stud cover, four screws, grease, and an instruction sheet. The stud connector section is welded to the towers for structural integrity. With dimensions of 5.5 inches wide by 6.275 inches tall, this connector offers a substantial build for demanding electrical infrastructure. Its primary function is to provide a mechanically sound and electrically efficient interface between transformer windings and external conductors, ensuring safe and stable power transmission. The Flood Seal design offers protection against environmental ingress. This component is critical for maintaining the operational integrity of electrical transformers.
  • Aluminum construction with gray PVC coating
  • Accommodates 1-inch stud with 1-14 UNS-2B left-hand thread
  • Two towers with 2-holes each, for 1/0-750 MCM conductors
  • Includes insulating rockets, adapter, jam nut, stud cover, and hardware
  • Welded stud connector section to towers for enhanced strength

Specifications

Conductor Range
1/0 to 750 kcmil
Connection
Mechanical
Finish
Bare
Insulation
True
Material
Aluminum
Size
5.5 inch wide x 6.275 inch tall
Type
Transformer Connector
Width
5.5 in
Width
139.7 mm
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
4.7500 L
Package Weight (Metric)
2.1550 kg
Submersible Transformer Connector, Aluminum Bus connector, 1/0 - 750 kcmil, Aluminum and Copper, Stud Size 1 inch, Eight Connector, Insulating Rockets.

FTUH 750-44-1 AWR

Submersible Transformer Connector, Aluminum Bus connector, 1/0 - 750 kcmil, Aluminum and Copper, Stud Size 1 inch, Eight Connector, Insulating Rockets.

Frequently Asked Questions about ABB - Installation Products

What technical support does ABB - Installation Products offer?

ABB - Installation Products offers comprehensive technical support through a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services include emergency services, on-site support, remote diagnostics, installation assistance, equipment assessments, and repair coordination. Customers can also access technical resources via email at [email protected].

What are the main product lines offered by ABB - Installation Products?

ABB - Installation Products offers a comprehensive range of electrical distribution and protection solutions, including panelboards like ReliaGear® and ProLine, circuit monitoring systems, softstarters, and modular bus bar systems. Key product lines cover low voltage applications with specialized offerings such as the SMISSLINE TP flexible power distribution bus system, Ekip UP protection and metering relays, and enclosed/open softstarters for industrial and commercial sectors.

What are the key features of ABB - Installation Products products?

ABB - Installation Products feature advanced, user-friendly design elements optimized for industrial applications. Key features include 2-in-1 Push-in Spring connection technology allowing ferruled and rigid cable connections, tool-free mounting, robust vibration and shock-proof design, and front-accessible terminals. The products deliver high connection capacities up to 18.5 kW, support motor starting solutions, provide short-circuit fuseless protection to 100 kA, and enable faster, more intuitive installation with one-hand mounting and automated wiring capabilities.

What environmental ratings do ABB - Installation Products products have?

ABB - Installation Products offer robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure superior protection against dust, water, and corrosion for both indoor and outdoor industrial applications, with certifications that meet stringent environmental performance requirements.

What accessories are available for ABB - Installation Products products?

ABB - Installation Products offers a comprehensive range of accessories designed to enhance functionality and connectivity across industrial control systems. Key accessories include auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, terminal blocks, and connection accessories. These accessories are compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems, allowing for easy installation and configuration of manual motor starters, circuit breakers, and other electrical components.

What is ABB - Installation Products's warranty policy?

ABB - Installation Products offers a standard 1-year factory warranty for most installation products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies product application and provides additional coverage for manufacturing defects and factory-mounted accessories.

What industries and applications are ABB - Installation Products products used for?

ABB - Installation Products serve critical electrical infrastructure needs across diverse industries including Energy, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their products cover essential applications such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems, engineered for high-reliability environments with a strong emphasis on safety, efficiency, and sustainability.

What communication protocols do ABB - Installation Products products support?

ABB - Installation Products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with high-speed data transmission capabilities up to 100 Mbps and support for various network topologies.

How are ABB - Installation Products products typically installed?

ABB - Installation Products are installed through a professional, systematic process emphasizing fast, intuitive wiring and tool-free mounting. Typical installation involves precise equipment verification, secure electrical connections, and comprehensive testing, including foundation frame assessment, busbar and cable connections, earthing system establishment, and thorough pre-commissioning functional tests to ensure optimal performance and reliability.

What certifications and standards do ABB - Installation Products products comply with?

ABB - Installation Products products meet rigorous international certifications including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products comply with critical standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, ensuring high performance and reliability across industrial installation applications.