ABB - Installation Products PAA400 - Aluminum Type PAA - Two Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 336.4-1/0, 1/0-6 AR ASCR 400-1/0 Str., 1/0-6 AR AL/CU, Tap: 336.4-1/0 ASCR 400-1/0 Str. ALCU
ABB - Installation Products

PAA400

UPC: 783786330058


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Overview

The ABB PAA400 Two-Bolt Aluminum Parallel Groove Clamp (SKU: PAA400) is a heavy-duty, corrosion-resistant connector engineered for parallel conductor applications in overhead transmission and distribution systems. Designed for splicing and tapping ACSR (aluminum conductor steel reinforced) and ALCU (aluminum/copper) conductors, this clamp ensures secure, long-term electrical connections with minimal resistance. The two-bolt design delivers consistent compression, distributing mechanical and electrical loads evenly to prevent conductor damage and galvanic corrosion. Constructed from high-strength, heat-treated cast aluminum alloy, the PAA400 resists moisture ingress and environmental degradation, making it ideal for utility, substation, and industrial installations. The clamp accommodates main conductor ranges from 336.4-1/0 to 1/0-6 AWG ASCR and 400-1/0 to 1/0-6 AWG ALCU, with tap conductor compatibility from 336.4-1/0 to 400-1/0 AWG ASCR/ALCU. Installation requires only a torque wrench, simplifying field deployment. The compact footprint fits tight spaces, while the parallel groove design minimizes stress on conductors. Suitable for transmission lines, distribution networks, and renewable energy projects, the PAA400 meets utility-grade standards for mechanical strength and electrical conductivity.
  • Dual-rated for ACSR and ALCU conductors (336.4-1/0 to 1/0-6 AWG main, 336.4-1/0 to 400-1/0 AWG tap)
  • High-strength, heat-treated cast aluminum alloy resists corrosion and moisture ingress
  • Two-bolt design ensures secure compression, even load distribution, and minimal resistance
  • Compact footprint fits tight spaces; parallel groove reduces conductor stress
  • Compatible with standard torque wrench installation; no specialized tools required

Specifications

Application
Securing Conductors
Conductor Range
Main: 336.4 to 1/0 ACSR , 1/0 to #6 Armored Rod ACSR , 400 kcmil to 1/0 STR , 1/0 to #6 Armored Rod AL/CU. Tap: 336.4 kcmil to 1/0 ACSR , 400 kcmil to 1/0 STR ALCU
Connection
Bolted
Connection Type
Two-bolt parallel groove clamp
Environmental Conditions
All Seasons / Conditions
Insulation
None
Material
Aluminum
Material
Aluminum Alloy
Mounting
None
Number Of Conductors
2
Size
Bolt Head 3/4 inch, Bolt Size 1/2 inch, Height 3-1/4 X Length 3-3/4 X Width 2-1/2 inch
Size
336.4-1/0 to 1/0-6 AWG (main), 336.4-1/0 to 400-1/0 AWG (tap)
Special Features
High-Strength, Heat-Treated Cast Aluminum Alloy provides Secure Connections. Galvanized Steel Carriage Bolt, Nut and Lockwasher included. Dual-Rated for use on Aluminum, ACSR and Copper Conductors
Type
Parallel-Groove Clamp
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)
1.1000 L
Package Weight (Metric)
0.4990 kg
Aluminum Type PAA - Two Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 336.4-1/0, 1/0-6 AR ASCR 400-1/0 Str., 1/0-6 AR AL/CU, Tap: 336.4-1/0 ASCR 400-1/0 Str. ALCU, Prefilled with Oxide Inhibitor.

PAA4009

Aluminum Type PAA - Two Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 336.4-1/0, 1/0-6 AR ASCR 400-1/0 Str., 1/0-6 AR AL/CU, Tap: 336.4-1/0 ASCR 400-1/0 Str. ALCU, Prefilled with Oxide Inhibitor.
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 splice, type SA, tin plated, 3/0 AWG.

SA3/0-5

Aluminum splice, type SA, tin plated, 3/0 AWG.
Aluminum Type PAA - One Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 1/0-8 ASCR 2/0 Str.-8 Sol. AL/CU, Tap: 1/0-8 ASCR 2/0 Str.-8 Sol. ALCU, Prefilled with Oxide Inhibitor.

PAA69

Aluminum Type PAA - One Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 1/0-8 ASCR 2/0 Str.-8 Sol. AL/CU, Tap: 1/0-8 ASCR 2/0 Str.-8 Sol. ALCU, Prefilled with Oxide Inhibitor.
Aluminum Type PAC - Aluminum Parallel Groove Clamp with Cast Copper Liner for Wire Range Main: 1/0-8 ASCR 1/0 Str.-8 Sol. AL/CU, Tap: ASCR 1/0 Str.-8 Sol. ALCU

PAC345

Aluminum Type PAC - Aluminum Parallel Groove Clamp with Cast Copper Liner for Wire Range Main: 1/0-8 ASCR 1/0 Str.-8 Sol. AL/CU, Tap: ASCR 1/0 Str.-8 Sol. ALCU
Aluminum Type PAA - One Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 1/0-8 ASCR 1/0 Str.-8 Sol. AL/CU, Tap: 1/0-8 ASCR 1/0 Str.-8 Sol. ALCU, Prefilled with Oxide Inhibitor.

PAA59

Aluminum Type PAA - One Bolt Aluminum Parallel Groove Clamp for Wire Range Main: 1/0-8 ASCR 1/0 Str.-8 Sol. AL/CU, Tap: 1/0-8 ASCR 1/0 Str.-8 Sol. ALCU, Prefilled with Oxide Inhibitor.
Aluminum Type PAC - Aluminum Parallel Groove Clamp with Cast Copper Liner for Wire Range Main: 1/0-8 ASCR 1/0 Str.-8 Sol. AL/CU, Tap: ASCR 1/0 Str.-8 Sol. ALCU, Prefilled with Oxide Inhibitor.

PAC3459

Aluminum Type PAC - Aluminum Parallel Groove Clamp with Cast Copper Liner for Wire Range Main: 1/0-8 ASCR 1/0 Str.-8 Sol. AL/CU, Tap: ASCR 1/0 Str.-8 Sol. ALCU, Prefilled with Oxide Inhibitor.
Parallel Groove Clamp, Hex Head Bolt, Contax Filled, Aluminum and Copper, Conductor Range Main 1/0 - 8 ACSR, 1/0 STR - 8 Solid Aluminum, TAP 1/0 STR - 8 Solid Copper

PAC34539

Parallel Groove Clamp, Hex Head Bolt, Contax Filled, Aluminum and Copper, Conductor Range Main 1/0 - 8 ACSR, 1/0 STR - 8 Solid Aluminum, TAP 1/0 STR - 8 Solid Copper

Frequently Asked Questions

How many bolts does the PAA400 clamp use?

The PAA400 and PAA4009 are two-bolt clamps.

Is the PAA400 clamp available with an oxide inhibitor?

Yes, the PAA4009 catalog number is prefilled with an oxide inhibitor to prevent oxidation on copper-to-aluminum connections.

What is the bolt size for the PAA400 clamp?

The bolt size for the PAA400 clamp is 1/2 inch.

What are the dimensions of the PAA400 clamp?

The dimensions are F: 3/4 in, H: 31/4 in, L: 33/4 in, and W: 21/2 in.

What are the maximum and minimum tap conductor diameters for PAA400?

The maximum tap conductor diameter is .741 inches, and the minimum is .368 inches.

What are the maximum and minimum main conductor diameters for PAA400?

The maximum main conductor diameter is .741 inches, and the minimum is .368 inches.

What is the tap conductor range for the PAA400?

For ACSR, the tap conductor range is 336.4–1/0. For AL/CU, it is 400–1/0 str.

What is the main conductor range for the PAA400?

For ACSR, the main conductor range is 336.4–1/0 or 1/0–#6 AR. For AL/CU, it is 400–1/0 str. or 1/0–#6 AR.

What type of conductors is the PAA400 clamp compatible with?

The PAA400 clamp is dual-rated for use on aluminum, ACSR, and copper conductors.

What is the main conductor range for the PAA400?

For ACSR, the main conductor range is 336.4–1/0 or 1/0–#6 AR. For AL/CU, it is 400–1/0 str. or 1/0–#6 AR.

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