ABB - Installation Products WR875 - Aluminum Wide Range H-Type Compression Connector Main: 477 18/1-4/0 ACSR, 556-250 Str., Tap: 336 18/1-266 ACSR, 350-250 Str., 336-397 Sol. 3 inch.
ABB - Installation Products

WR875

UPC: 783786100248


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Overview

The ABB WR875 is an aluminum wide-range H-type compression connector designed for reliable electrical connections in overhead distribution systems. This connector accommodates main conductors ranging from 477 to 556 kcmil (18/1-4/0 ACSR) and tap conductors from 336 to 397 kcmil (18/1-266 ACSR, 350-250 stranding). The 3-inch design ensures compatibility with standard utility hardware and provides a secure, low-resistance joint for long-term service. Manufactured by ABB Installation Products, the WR875 is optimized for ACSR conductors with 250-strand configurations, offering consistent performance in harsh outdoor environments. The compression design eliminates the need for multiple connector sizes, reducing inventory requirements while maintaining electrical integrity. Typical applications include utility pole connections, transformer taps, and branch circuits where reliable, maintenance-free joints are critical. The aluminum construction resists corrosion and provides excellent conductivity, ensuring stable performance over the connector's service life.
  • Main conductor range: 477-556 kcmil (18/1-4/0 ACSR)
  • Tap conductor range: 336-397 kcmil (18/1-266 ACSR, 350-250 stranding)
  • 3-inch design for standard utility hardware compatibility
  • Aluminum construction for corrosion resistance and conductivity
  • Wide-range design reduces inventory needs for multiple connector sizes

Specifications

Application
For Combinations of Aluminum to Aluminum and Aluminum to Copper Conductors
Connection
Compression
Connection Type
Compression
Environmental Conditions
All Seasons / Conditions
Housing Material
Aluminum
Housing Material
Aluminium
Insulation
None
Material
Aluminum
Mounting
None
Number Of Conductors
2
Series
Wide Range H-Type
Size
Length 3 inch
Size
3 Inch
Special Features
Made of 1350 Aluminum Alloy for high strength and high conductivity. Standard Compression tools and dies install all sizes - no special tools needed. Field-proven ribbed design enables excellent connector/conductor contact without distorting the conductor's shape. Fold-in tabs provide tab interlock as tool closes. Prefilled with oxide inhibitor held captive in the rib/connection area
Standard
RUS Accepted. Complies with ANSI C119.4 Specifications
Temperature Rating, Maximum
194 F
Temperature Rating, Maximum
90 C
Temperature Rating, Minimum
194 F
Temperature Rating, Minimum
90 C
Type
H-Type Compression Tap Connector
Wire Size
Main: 477 (18/1) to 4/0 ACSR or 556 to 250 STR kcmil , Tap: 336 (18/1) to 266 ACSR or 350 to 250 STR or 336 to 397 SOL kcmil
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)
2.1300 L
Package Weight (Metric)
0.9660 kg

Frequently Asked Questions

What conductor sizes does the WR875 support?

The WR875 supports main conductors from 477 to 556 kcmil and tap conductors from 336 to 397 kcmil, all in ACSR configurations.

Is the WR875 compatible with 250-strand conductors?

Yes, the WR875 is designed for ACSR conductors with 250-strand configurations in both main and tap ranges.

What is the physical size of the WR875 connector?

The WR875 has a 3-inch design, ensuring compatibility with standard utility hardware and mounting configurations.

What material is the WR875 connector made from?

The WR875 is made from aluminum, providing corrosion resistance and excellent electrical conductivity.

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.