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ABB - Installation Products WR399 - Aluminum Wide Range H-Type Compression Connector, Main: 4/0 - 3/0 ACSR, 4/0 - 3/0 Str. Tap: 2/0 - 1 ACSR, 2/0 - 1/0 Str. 3/0 - 2/0 Sol. 2-3/16 inch
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ABB Installation Products WR399 Aluminum Wide Range H-Type Compression Connector, Main: 4/0 - 3/0 ACSR, 4/0 - 3/0 Str.…

UPC: 783786100101

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Overview

The ABB WR399 is a high-strength aluminum H-type compression connector engineered for reliable electrical connections in overhead distribution systems. Designed specifically for ACSR (Aluminum Conductor Steel Reinforced) conductors, this wide-range connector accommodates main conductor sizes from 4/0 to 3/0 AWG and tap conductor sizes from 2/0 to 1 AWG, with additional compatibility for stranded and solid conductors in the ranges of 3/0 to 2/0 AWG. The connector measures 2-3/16 inches in length, ensuring secure compression and long-term mechanical integrity, which reduces the risk of loosening under vibration or thermal cycling. Manufactured by ABB Installation Products, a leader in electrical connection solutions, the WR399 is ideal for utility, industrial, and commercial applications where durable, low-resistance connections are critical. The compression design eliminates the need for soldering or complex tooling, streamlining installation while maintaining compliance with industry standards for electrical performance and mechanical strength. This connector is part of ABB’s WR series, known for its versatility and reliability in overhead distribution systems.
  • Compatible with 4/0–3/0 ACSR main conductors and 2/0–1 ACSR tap conductors
  • Supports stranded and solid conductors in specified ranges
  • 2-3/16 inch length for secure compression and mechanical stability
  • Aluminum construction for corrosion resistance and conductivity
  • Designed for overhead distribution and industrial applications

Specifications

Application
For Combinations of Aluminum to Aluminum and Aluminum to Copper Conductors
Connection
Compression
Environmental Conditions
All Seasons / Conditions
Housing Material
Aluminum
Housing Material
Aluminium
Insulation
None
Mounting
None
Number Of Conductors
2
Size
Length 2-3/16 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: 4/0 to 3/0 ACSR or 4/0 to 3/0 STR AWG , Tap: 2/0 to #1 ACSR or 2/0 to 1/0 STR or 3/0 to 2/0 SOL AWG
Package Dimensions (L x W x H)
2.75 IN x 5.62 IN x 13.12 IN
Package Dimensions (L x W x H)
6.985 cm x 14.2748 cm x 33.3248 cm
Package Weight (Imperial)
0.1700 L
Package Weight (Metric)
0.0770 kg
Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.

AS-K1-H6

Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.
Aluminum Reducing Splice Connector for Copper Wire Size 400 kcmil, Aluminum Wire Size 600 kcmil, Tin Plated, Die Code 106H, Die Color Code Black

60975

Aluminum Reducing Splice Connector for Copper Wire Size 400 kcmil, Aluminum Wire Size 600 kcmil, Tin Plated, Die Code 106H, Die Color Code Black
Aluminum splice, type SA, tin plated, 3/0 AWG.

SA3/0-5

Aluminum splice, type SA, tin plated, 3/0 AWG.
Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, End B: 10 Stranded, 8 Solid, Brown, Die: 5/8. For AL-AL or AL-CU Conductors.

CS65

Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, End B: 10 Stranded, 8 Solid, Brown, Die: 5/8. For AL-AL or AL-CU Conductors.
Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, End B: 6 6/1 ASCR, 6 Stranded, 4 Solid, Blue, Die: 5/8. For AL-AL or AL-CU Conductors.

CS67

Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, End B: 6 6/1 ASCR, 6 Stranded, 4 Solid, Blue, Die: 5/8. For AL-AL or AL-CU Conductors.
Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, End B: 8 Stranded, 6 Solid, Green, Die: 5/8. For AL-AL or AL-CU Conductors.

CS66

Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, End B: 8 Stranded, 6 Solid, Green, Die: 5/8. For AL-AL or AL-CU Conductors.
Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 2 6/1,7/1 ASCR, 1-2 Stranded, Red, End B: 6 6/1 ASCR, 6 Stranded, 4 Solid, Blue, Die: 5/8. For AL-AL or AL-CU Conductors.

CS71

Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 2 6/1,7/1 ASCR, 1-2 Stranded, Red, End B: 6 6/1 ASCR, 6 Stranded, 4 Solid, Blue, Die: 5/8. For AL-AL or AL-CU Conductors.
Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 2 6/1,7/1 ASCR, 1-2 Stranded, Red, End B: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, Die: 5/8. For AL-AL or AL-CU Conductors.

CS72

Aluminum 2 Inch Service Entrance Compression Splice for Wire Range - End A: 2 6/1,7/1 ASCR, 1-2 Stranded, Red, End B: 4 6/1,7/1 ASCR, 3-4 Stranded, 2 Solid, Orange, Die: 5/8. For AL-AL or AL-CU Conductors.

Frequently Asked Questions

What conductor sizes does the WR399 support?

The WR399 supports main conductors from 4/0 to 3/0 ACSR and tap conductors from 2/0 to 1 ACSR, including stranded and solid variants within those ranges.

What is the length of the WR399 connector?

The WR399 has a length of 2-3/16 inches, ensuring adequate coverage for compression and mechanical stability.

Is the WR399 suitable for solid conductors?

Yes, the WR399 accommodates solid conductors in the 3/0 to 2/0 range as specified in the catalog.

What material is the WR399 made from?

The WR399 is made from aluminum, providing corrosion resistance and good electrical conductivity.

Can the WR399 be used for overhead distribution?

Yes, the WR399 is designed for overhead distribution systems where reliable, low-resistance connections are required.

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