ABB - Installation Products AC4-BB - Aluminum 3 inch Full-Tension Distribution Compression Splice for Wire Range: 4(7), Mechanical Dies: BY21, W-162, 3/8, Hydraulic Dies: B71AH, 162, 3/8. For Aluminum Conductors.
ABB - Installation Products

AC4-BB

UPC: 783786051014

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Minimum Qty: 250

Multiplier: 250

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Overview

The ABB AC4-BB is a full-tension compression splice designed for aluminum conductors sized 4(7) AWG, ensuring reliable electrical connections in distribution systems by maintaining full mechanical tension while preserving conductivity. This 3-inch splice is constructed from durable aluminum, providing resistance to corrosion and environmental stress, making it suitable for both overhead and underground distribution networks. The AC4-BB is compatible with mechanical dies (BY21, W-162, 3/8) and hydraulic dies (B71AH, 162, 3/8), offering versatility for field installations where tooling flexibility is required. Unlike split-bolt connectors, this compression splice eliminates the need for periodic torque checks, reducing long-term maintenance costs. The 3-inch length accommodates standard conductor bundling, while the full-tension design prevents slippage under load. Engineered for utility applications requiring permanent, high-reliability splices in aluminum conductor systems, the AC4-BB provides a durable and efficient solution for distribution networks. The splice is specifically designed to handle the mechanical and electrical demands of aluminum conductors, ensuring consistent performance in various environmental conditions.
  • 3-inch aluminum full-tension splice for 4(7) AWG aluminum conductors
  • Compatible with mechanical dies: BY21, W-162, 3/8
  • Compatible with hydraulic dies: B71AH, 162, 3/8
  • Designed for overhead and underground distribution applications
  • Eliminates need for periodic torque maintenance

Specifications

Application
Distribution Compression Connector
Conductor Range
4(7)
Connection
Compression
Insulation
None
Material
Aluminum
Mounting
None
Number Of Conductors
2
Size
3 Inch
Special Features
Center stop assures proper conductor positioning. External end taper provides conductor stress relief, ease of stringing and corona protection. Internal end chamfer allows easy conductor insertion and prevents sharp edge contact with conductor
Standard
ANSI C119.4 / ANSI C119.4
Type
Compression Splice
Package Dimensions (L x W x H)
4.4 IN x 3.3 IN x 2.9 IN
Package Dimensions (L x W x H)
11.176 cm x 8.382 cm x 7.366 cm
Package Weight (Imperial)
0.0300 L
Package Weight (Metric)
0.0140 kg
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Frequently Asked Questions

What conductor sizes does the AC4-BB support?

The AC4-BB supports aluminum conductors sized 4(7) AWG.

What mechanical dies are compatible with the AC4-BB?

The AC4-BB is compatible with mechanical dies BY21, W-162, and 3/8.

What hydraulic dies work with the AC4-BB?

Hydraulic dies B71AH, 162, and 3/8 are compatible with the AC4-BB.

Is the AC4-BB suitable for underground applications?

Yes, the AC4-BB is designed for both overhead and underground distribution applications.

Does the AC4-BB require periodic torque checks?

No, the full-tension design eliminates the need for periodic torque maintenance.

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