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ABB - Installation Products KL56-1 - Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 3/0 ASCR, 4/0 Str. Compact, Yellow, End B: 1/0 ASCR, 1/0 Str., 2/0 Str. Compact, Yellow, Die: 840. For AL to AL and AL to CU Conductors.

ABB Installation Products KL56-1 Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 3/0…

UPC: 783786050079

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Overview

The ABB KL56-1 is a 3-1/2-inch aluminum service entrance compression splice engineered for reliable connections between aluminum (AL) and copper (CU) conductors in residential and commercial electrical installations. This splice accommodates a wire range from End A: 3/0 ASCR, 4/0 Str. Compact, Yellow to End B: 1/0 ASCR, 1/0 Str., 2/0 Str. Compact, Yellow, using Die 840. The yellow color coding simplifies identification in service entrance applications, ensuring quick and accurate installation. Constructed from high-conductivity aluminum, the KL56-1 features a solid center barrier and large chamfers for easy cable insertion. The tough stabilized-nylon sleeve resists tool pressure while providing reliable 600V insulation. Prefilled with oxide inhibitor, it prevents oxidation and moisture ingress, maintaining long-term performance. The splice complies with ANSI C119.4 when properly installed on aluminum-to-aluminum or aluminum-to-copper conductors. Designed for heavy-duty overhead services, the KL56-1 is ideal for splicing large conductors required in commercial service applications. It serves as a low-cost reducing sleeve, offering versatility for utility and electrical contractors. The splice is compatible with standard mechanical and hydraulic compression tools, ensuring efficient installation in the field. Each unit is color-coded and marked with strip lengths, installation die codes, and compression locations for easy identification and correct setup. Key applications include service entrance wiring, overhead conductor splicing, and reducing transitions between conductor sizes. The KL56-1 is part of the KL series, known for its durability and reliability in demanding electrical environments. With a 3-1/2-inch length, it provides a secure, low-resistance connection critical for long-term performance in medium to large gauge conductor applications.
  • 3-1/2-inch aluminum service entrance compression splice
  • Supports AL-to-AL and AL-to-CU conductor combinations
  • Wire range: End A (3/0 ASCR, 4/0 Str. Compact) to End B (1/0 ASCR, 1/0 Str., 2/0 Str. Compact)
  • Yellow color coding for easy identification
  • Prefilled with oxide inhibitor to prevent oxidation and moisture ingress

Specifications

Application
For Combinations of Aluminum-to-Aluminum and Aluminum-to-Copper Conductors
Color
Yellow
Conductor Range
End A: 3/0 ACSR , 3/0 STR , 4/0 COMPT. End B: 1/0 ACSR , 1/0 STR , 2/0 COMPT
Connection
Compression
Connection Type
Compression Splice
Environmental Conditions
All Seasons / Conditions
Insulation
None
Material
Aluminum
Mounting
None
Number Of Conductors
2
Size
3-1/2 Inch
Special Features
Splices large conductors required for commercial service, use as low cost reducing sleeve. All sizes can be installed with popular mechanical and hydraulic tools. Center stop assures proper conductor positioning. Quick identifications with color-coded foil caps
Standard
Passes the requirements of ANSI C119.4
Type
Compression Splice Service Entrance
Package Dimensions (L x W x H)
6.75 IN x 5.25 IN x 3.7 IN
Package Dimensions (L x W x H)
17.145 cm x 13.335 cm x 9.398 cm
Package Weight (Imperial)
0.1500 L
Package Weight (Metric)
0.0680 kg
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PTO-750

Offset Pin Terminal 750 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The pin is offset for use in tight spaces and for ease of installation in side-by-side terminations. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.
Aluminum 5-1/2 inch Service Entrance Compression Splice for Wire Range, End A: 1/0 ACSR, 2/0 Stranded, 1/0 Stranded Compact, Yellow, End B: 1/0 ACSR, 1/0 Stranded, 2/0 Stranded Compact, Yellow, Die: 840. For AL to AL or AL to CU Conductors.

X 1 N 1010

Aluminum 5-1/2 inch Service Entrance Compression Splice for Wire Range, End A: 1/0 ACSR, 2/0 Stranded, 1/0 Stranded Compact, Yellow, End B: 1/0 ACSR, 1/0 Stranded, 2/0 Stranded Compact, Yellow, Die: 840. For AL to AL or AL to CU Conductors.
Copper butt splice, standard barrel, 250 kcmil cable.

SCS250-X

Copper butt splice, standard barrel, 250 kcmil cable.
Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 3/0 ASCR, 4/0 Str. Compact, Gray, End B: 2/0 ASCR, 2/0 Str., 3/0 Str. Compact, Gray, Die: 840. For AL to AL and AL to CU Conductors.

KL57-1

Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 3/0 ASCR, 4/0 Str. Compact, Gray, End B: 2/0 ASCR, 2/0 Str., 3/0 Str. Compact, Gray, Die: 840. For AL to AL and AL to CU Conductors.
Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 3/0 ASCR, 4/0 Str. Compact, Black, End B: 3/0 ASCR, 3/0 Str., 4/0 Str. Compact, Black, Die: 840. For AL to AL and AL to CU Conductors.

KL58-1

Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 3/0 ASCR, 4/0 Str. Compact, Black, End B: 3/0 ASCR, 3/0 Str., 4/0 Str. Compact, Black, Die: 840. For AL to AL and AL to CU Conductors.
Compression Service Sleeve, Contax filled, Conductor Range Main 3/0 STR, 4/0 Comp, 4/0 Sol, TAP 3/0 STR, 4/0 COMP, 4/0 SOL, Color Main - Orange, TAP - Orange, Dies 840, W - K840, U249.. For AL to AL and AL to CU Conductors.

KL5811

Compression Service Sleeve, Contax filled, Conductor Range Main 3/0 STR, 4/0 Comp, 4/0 Sol, TAP 3/0 STR, 4/0 COMP, 4/0 SOL, Color Main - Orange, TAP - Orange, Dies 840, W - K840, U249.. For AL to AL and AL to CU Conductors.
Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 4/0 ASCR, 4/0 Str., Orange, End B: 4 ASCR, 3-4 Str., 2 Sol., Orange, Die: 840. For AL to AL and AL to CU Conductors.

KL64-1

Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 4/0 ASCR, 4/0 Str., Orange, End B: 4 ASCR, 3-4 Str., 2 Sol., Orange, Die: 840. For AL to AL and AL to CU Conductors.
Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 4/0 ASCR, 4/0 Str., Black, End B: 4/0 ASCR, 4/0 Str., Black, Die: 840. For AL to AL and AL to CU Conductors.

KL69-1

Aluminum 3-1/2 Inch Service Entrance Compression Splice for Wire Range - End A: 4/0 ASCR, 4/0 Str., Black, End B: 4/0 ASCR, 4/0 Str., Black, Die: 840. For AL to AL and AL to CU Conductors.

Frequently Asked Questions

Can the KL56-1 connect aluminum to copper conductors?

Yes, the KL56-1 is designed for both AL-to-AL and AL-to-CU conductor connections.

What conductor sizes does the KL56-1 support?

The KL56-1 supports End A: 3/0 ASCR, 4/0 Str. Compact, Yellow and End B: 1/0 ASCR, 1/0 Str., 2/0 Str. Compact, Yellow.

What die size is required for the KL56-1?

The KL56-1 requires Die 840 for proper compression.

What is the color coding for the KL56-1?

The KL56-1 is yellow color-coded for easy identification in service entrance applications.

Is the KL56-1 suitable for residential use?

Yes, the KL56-1 is designed for service entrance applications in residential and commercial settings.

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