Authorized ABB Distributor (Installation Products)
ABB - Installation Products TWB8359D58 - Transformer Connectors-TWB 350 series, bare TWB bars, quick disconnect, cable range 12-350, height 2.6 inch, 66 mm, width 2.6 inch, 66 mm, length 4.1 inch, 105 mm, stud size 5/8 inch, ports 8

ABB Installation Products TWB8359D58 Transformer Connectors-TWB 350 series, bare TWB bars, quick disconnect, cable range…

UPC: 783786436767

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Minimum Qty: 12

Multiplier: 12

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Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB TWB 350 Series bare transformer connector (SKU: TWB8359D58) is a quick-disconnect solution designed for transformer installations requiring high-current cable connections. This connector supports cable ranges from 12 AWG to 350 MCM, making it suitable for medium to heavy-duty applications in industrial, utility, and commercial power distribution systems. With a compact footprint measuring 2.6" (66 mm) in height and width, and 4.1" (105 mm) in length, the TWB8359D58 is optimized for space-constrained installations while maintaining robust electrical performance. The unit features an 8-port configuration with a 5/8" stud size, ensuring compatibility with standard transformer bushings and bus bars. The quick-disconnect design allows for rapid installation and maintenance, reducing downtime during servicing or upgrades. The bare copper construction provides excellent conductivity and corrosion resistance, while the modular design simplifies inventory management by accommodating a wide range of cable sizes without requiring multiple connector variants.
  • Quick-disconnect design for fast installation and maintenance
  • Supports cable range from 12 AWG to 350 MCM
  • Compact dimensions: 2.6" x 2.6" x 4.1" (66 x 66 x 105 mm)
  • 8-port configuration with 5/8" stud size for compatibility
  • Bare copper construction for high conductivity and corrosion resistance

Specifications

Application
Stud-Mount Transformer Connector, Quick Disconnect
Conductor Range
#12 to 350 kcmil
Height
2.6 in
Height
66.04 mm
Material
Aluminum
Size
height 2.6 inch, 66 mm, width 2.6 inch, 66 mm, length 4.1 inch, 105 mm
Special Features
High-Strength Aluminum Alloy Maintains Constant Bolting Pressure on Conductors. Dual-Rated to Accept Aluminum or Copper Conductors. Prefilled with Oxide Inhibitor to Seal out Moisture after Installation. Compact Design Doubles Cable Capacity and Halves Cantilever Stress
Standard
ANSI C119.4
Type
Transformer Connector - TWB Series
Width
2.6 in
Width
66.04 mm
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)
1.0000 L
Package Weight (Metric)
0.4540 kg
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Frequently Asked Questions

How many ports does the TWB8359D58 have?

The TWB8359D58 features an 8-port configuration.

What is the stud size for the TWB8359D58?

The stud size is 5/8 inch.

Is the TWB8359D58 a quick-disconnect connector?

Yes, the TWB8359D58 features a quick-disconnect design.

What cable sizes does the TWB8359D58 support?

The connector supports cable ranges from 12 AWG to 350 MCM.

What are the dimensions of the TWB8359D58?

The connector measures 2.6 inches in height and width, and 4.1 inches in length.

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