ABB - Installation Products WR779 - Aluminum Wide Range H-Type Compression Connector Main: 397 18/1-266 ACSR, 400-250 Str., Tap: 397 18/1-266 ACSR, 400-250 Str., 397-477 Sol. 3 inch.
ABB - Installation Products

WR779

UPC: 783786100293


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Overview

The ABB WR779 is a Wide Range H-Type Compression Connector, constructed from durable aluminum for reliable electrical connections in demanding utility and industrial applications. This connector is designed for a broad spectrum of conductor sizes, accommodating main conductors ranging from 397 kcmil 18/1 ACSR to 266 kcmil ACSR, and 400 kcmil to 250 kcmil stranded conductors. The tap side offers similar versatility, accepting 397 kcmil 18/1 ACSR to 266 kcmil ACSR, and 400 kcmil to 250 kcmil stranded conductors. Additionally, it is compatible with 397 kcmil to 477 kcmil solid conductors. With a 3-inch overall size, the WR779 facilitates secure and efficient compression terminations. Its H-Type design ensures a robust connection, critical for maintaining power flow and minimizing electrical resistance. The aluminum construction provides excellent conductivity and corrosion resistance, essential for long-term performance in overhead and underground power distribution systems. This connector is a key component for utility crews and electrical contractors requiring dependable splices and taps for ACSR and stranded aluminum conductors. Refer to manufacturer specifications for detailed installation procedures and torque values to ensure optimal performance and safety. SKU: WR779. Manufacturer: ABB - Installation Products. UNSPSC Code: 39121409.
  • Aluminum construction for conductivity and corrosion resistance
  • Wide Range H-Type Compression Connector design
  • Accommodates main conductors: 397 18/1-266 ACSR, 400-250 Str.
  • Tap conductors: 397 18/1-266 ACSR, 400-250 Str., 397-477 Sol.
  • 3 inch overall size for secure compression terminations

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
Size
3 Inch
Size
Length 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
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)
0.5500 L
Package Weight (Metric)
0.2500 kg
The Polaris IPLMD350-6 Multi-Tap Mountable Dual-Sided Entry Connector features 6 ports sized for 350 MCM - 6 AWG wires. Mounting holes on either side of the connector allow for direct mounting to troughs, panels or wireways with 1/4†bolts. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.

IPLMD350-6

The Polaris IPLMD350-6 Multi-Tap Mountable Dual-Sided Entry Connector features 6 ports sized for 350 MCM - 6 AWG wires. Mounting holes on either side of the connector allow for direct mounting to troughs, panels or wireways with 1/4†bolts. The body is made from aluminum alloy wrapped in a layer of plastisol insulation. Each dual-sided port is pre-loaded with an oxide inhibitor, with removable access plugs over the hex screws used to tighten the connections. Installs with a hex key and torque wrench, without any tape or additional supplies. Designed for use in a wide range of splicing applications, including installation in cable trays, panel boards, ducts, raceways or troughs.
Connector, Two-Way, 2/0 Aluminum to 1/0 Copper

269-31499-10

Connector, Two-Way, 2/0 Aluminum to 1/0 Copper
Aluminum Wide Range H-Type Compression Connector Main: 477 18/1-336 ACSR, 556-336 Str., Tap: 2/0-3 ACSR, 2/0-2 Str., 3/0-1 Sol., Die: N. 2 inch.

WR819

Aluminum Wide Range H-Type Compression Connector Main: 477 18/1-336 ACSR, 556-336 Str., Tap: 2/0-3 ACSR, 2/0-2 Str., 3/0-1 Sol., Die: N. 2 inch.
Aluminum Wide Range H-Type Compression Connector Main: 397 18/1-266 ACSR, 400-250 Str., Tap: 4/0-1/0 ACSR, 4/0-2/0 Str. 4/0 Sol., Die: N. 2 inch.

WR739

Aluminum Wide Range H-Type Compression Connector Main: 397 18/1-266 ACSR, 400-250 Str., Tap: 4/0-1/0 ACSR, 4/0-2/0 Str. 4/0 Sol., Die: N. 2 inch.
Aluminum Wide Range H-Type Compression Connector Main: 477 18/0-4/0 ACSR, 556-250 Str., Tap: 4/0-1/0 ACSR, 4/0-1/0 Str., 4/0-2/0 Sol. 2 inch.

WR835

Aluminum Wide Range H-Type Compression Connector Main: 477 18/0-4/0 ACSR, 556-250 Str., Tap: 4/0-1/0 ACSR, 4/0-1/0 Str., 4/0-2/0 Sol. 2 inch.
Aluminum Wide Range H-Type Compression Connector Main: 477 18/1-336 ACSR, 556-336 Str., Tap: 4/0-2/0 ACSR, 4/0-3/0 Str. 4/0 Sol., Die: N. 2 inch.

WR839

Aluminum Wide Range H-Type Compression Connector Main: 477 18/1-336 ACSR, 556-336 Str., Tap: 4/0-2/0 ACSR, 4/0-3/0 Str. 4/0 Sol., Die: N. 2 inch.
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.

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.
Aluminum Wide Range H-Type Compression Connector Main: 3-6 ACSR, 2-6 Str., 1-4 Sol.,Tap: 8-14 Str., 8-14 Sol., Die: 5/8 OR BG. 13/16 inch.

WR9

Aluminum Wide Range H-Type Compression Connector Main: 3-6 ACSR, 2-6 Str., 1-4 Sol.,Tap: 8-14 Str., 8-14 Sol., Die: 5/8 OR BG. 13/16 inch.

Frequently Asked Questions

What are the maximum and minimum tap conductor diameters for WR779?

The maximum tap conductor diameter for WR779 is 0.743 inches, and the minimum is 0.570 inches.

What are the maximum and minimum main conductor diameters for WR779?

The maximum main conductor diameter for WR779 is 0.743 inches, and the minimum is 0.570 inches.

What tools are required to install WR779?

The WR779 connector requires a hydraulic tool of 10-ton or greater, using three indents. Compatible tools include Blackburn JB12A, JB12B, WH2, PH2, 12A, and Y-35.

What is the length of the WR779 connector?

The WR779 connector has a length of 3 inches.

What is the length of the WR779 connector?

The WR779 connector has a length of 3 inches.

What tools are required to install WR779?

The WR779 connector requires a hydraulic tool of 10-ton or greater, using three indents. Compatible tools include Blackburn JB12A, JB12B, WH2, PH2, 12A, and Y-35.

What are the maximum and minimum tap conductor diameters for WR779?

The maximum tap conductor diameter for WR779 is 0.743 inches, and the minimum is 0.570 inches.

What are the maximum and minimum main conductor diameters for WR779?

The maximum main conductor diameter for WR779 is 0.743 inches, and the minimum is 0.570 inches.

What are the maximum and minimum tap conductor diameters for WR779?

The maximum tap conductor diameter for WR779 is 0.743 inches, and the minimum is 0.570 inches.

What are the maximum and minimum main conductor diameters for WR779?

The maximum main conductor diameter for WR779 is 0.743 inches, and the minimum is 0.570 inches.

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