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ABB - Installation Products ST3/4GR-G - PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 3/4 Inch/21 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ABB Installation Products ST3/4GR-G PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 3/4…

UPC: 704508034160

Documents & Media
Installation InstructionsSpecification SheetManufacturer Product Website

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB ST3/4GR-G is a straight PVC-coated liquidtight conduit connector designed for 3/4-inch (21 metric) pipe size, featuring an integrated grounding ring for reliable electrical continuity. Constructed from durable steel with a minimum 0.040-inch (40 mil) dark gray PVC coating on the exterior, this connector provides superior resistance to corrosion, chemicals, and abrasion in harsh industrial environments. Engineered for seamless integration with 3/4-inch conduit, the ST3/4GR-G includes pressure-sealing sleeves to prevent moisture ingress and maintain system integrity. The dark gray PVC coating is standard, with custom colors (white, blue, or others) available upon request to match existing infrastructure. The connector's threaded design ensures quick and secure installation, reducing downtime in both new construction and retrofit projects. Ideal for applications in manufacturing plants, processing facilities, industrial control rooms, and outdoor locations exposed to corrosive conditions, the ST3/4GR-G delivers dependable performance in critical infrastructure. Its durable construction and protective coating make it suitable for environments where reliable isolation and easy installation are essential. The connector is part of ABB Installation Products' liquidtight conduit fitting series, ensuring compatibility with standardized pipe systems. Key specifications include a steel fitting with a minimum 0.040-inch (40 mil) PVC coating, dark gray finish, and compatibility with 3/4-inch (21 metric) conduit. The connector is available in straight, 45-degree, and 90-degree configurations to accommodate various routing needs in tight spaces.
  • 3/4-inch (21 metric) pipe size compatibility
  • Minimum 0.040-inch (40 mil) dark gray PVC coating for corrosion resistance
  • Integrated naval brass grounding ring meets UL 467 standards
  • Pressure-sealing sleeves prevent moisture ingress
  • Available in straight, 45-degree, and 90-degree configurations

Specifications

Application
To positively bond conduit to box or enclosure
Color
Dark Gray
Color
Gray
Environmental Conditions
Hazardous Locations
Finish
PVC Coated
Material
Steel
Material
Steel with PVC Coating
Material
Steel with 40 mil PVC Coating
NEMA Rating
4X
Series
Liquitight
Size
3/4 Inch/21mm
Size
3/4 Inch (21 Metric)
Size
3/4 Inch / 21 Metric
Special Features
Pressure-Sealing Sleeves Protect the Connection
Standard
UL, CSA
Type
Liquidtight Conduit Fitting - Straight
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)
0.510 L
Package Weight (Metric)
0.231 kg
PVC Coated Liquitight Conduit Connector with Grounding Ring, 90 Degree, Pipe Size 3/4 Inch/21 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST3/490GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, 90 Degree, Pipe Size 3/4 Inch/21 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray
Connector, Liquid Tight, 45 Degree, US Steel, Size 3-1/2 Inch, Insulated Throat

458-SLTIUS

Connector, Liquid Tight, 45 Degree, US Steel, Size 3-1/2 Inch, Insulated Throat
PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 2-1/2 Inch/63 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST21/2GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 2-1/2 Inch/63 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray
PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 2 Inch/53 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST2GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 2 Inch/53 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray
PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 1-1/4 Inch/35 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST11/4GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 1-1/4 Inch/35 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray
PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 3 Inch/78 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST3GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 3 Inch/78 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray
PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 4 Inch/103 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST4GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, Straight, Pipe Size 4 Inch/103 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray
PVC Coated Liquitight Conduit Connector with Grounding Ring, 45 Degree, Pipe Size 1 Inch/27 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

ST145GR-G

PVC Coated Liquitight Conduit Connector with Grounding Ring, 45 Degree, Pipe Size 1 Inch/27 Metric, Minimum .040 Inch (40 mil) PVC Coating on Exterior, Steel Fitting, Dark Gray

How to Install the ST3/4GR-G Controller

This guide provides step-by-step instructions for installing and wiring the ST3/4GR-G Controller to ensure proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the ST3/4GR-G Controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the wiring

    Use 14 AWG solid copper conductors to connect the power and ground terminals. Ensure all connections are tight and secure to prevent any electrical faults.

  3. Verify connections

    Use a multimeter to check the voltage at the terminals. Ensure that the readings match the specifications outlined in the product documentation before proceeding.

  4. Calibrate the controller

    Follow the calibration procedure in the user manual to set the operational parameters of the ST3/4GR-G Controller. Adjust settings as necessary based on your application requirements.

Frequently Asked Questions about ABB - Installation Products

How are Thomas and Betts products typically installed?

Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.

What accessories are available for Thomas and Betts products?

Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.

What environmental ratings do Thomas and Betts products have?

Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.

What communication protocols do Thomas and Betts products support?

Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.

What are the key features of Thomas and Betts products?

Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.

What are the main product lines offered by Thomas and Betts?

Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.

What technical support does Thomas and Betts offer?

Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.

What industries and applications are Thomas and Betts products used for?

Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.

What certifications and standards do Thomas and Betts products comply with?

Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.

What are the main product lines offered by Ocal?

Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.