ABB - Installation Products DTW58 - Transition Washer for Connecting Aluminum/Aluminum, Aluminum/Copper and Aluminum/Copper Lugs and Bus Bar, Outer Diameter 35.6mm (1.4 Inches), Inner Diameter 17.3mm (0.68 Inch), Stud Size 5/8 Inch, Copper Alloy, Tin Plated
ABB - Installation Products

DTW58

UPC: 786210869858


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Overview

The ABB DTW58 Transition Washer is a premium, tin-plated copper alloy component engineered for high-performance electrical connections between aluminum and copper conductors. Designed for compatibility with aluminum/aluminum, aluminum/copper, and copper/copper configurations, this washer ensures reliable, corrosion-resistant joints in demanding industrial, commercial, and utility applications. With an outer diameter of 35.6mm (1.4 inches) and an inner diameter of 17.3mm (0.68 inches), the DTW58 accommodates 5/8-inch studs, providing a secure fit for transformer lugs, bus bars, and other critical connections. Key features of the ABB DTW58 include its high-strength copper alloy construction, which delivers superior electrical conductivity and mechanical stability. The tin plating enhances durability by resisting oxidation and corrosion, ensuring long-term performance even in harsh environments. This transition washer meets or exceeds ANSI C119.4 Class A standards, offering a temperature rating of 90°C and a maximum voltage of 600V, making it ideal for high-current applications. Applications for the DTW58 span a wide range of industries, including power distribution, renewable energy, and industrial manufacturing. It is particularly well-suited for use with aluminum and copper conductors, where dissimilar metal connections require a reliable, low-resistance interface. The washer's design minimizes inventory requirements by accommodating multiple conductor combinations, reducing the need for specialized hardware. ABB Installation Products, a trusted name in electrical solutions, delivers the DTW58 with the precision and reliability expected from a global leader. Whether for new installations or maintenance, this transition washer provides the performance and durability needed to ensure safe, efficient electrical connections in any application. Trust ABB for superior quality and engineering excellence in every component.
  • Tin-plated copper alloy for superior conductivity and corrosion resistance
  • Compatible with aluminum/aluminum, aluminum/copper, and copper/copper connections
  • Outer diameter: 35.6mm (1.4 inches), inner diameter: 17.3mm (0.68 inches)
  • Accommodates 5/8-inch studs for secure, high-current applications
  • Meets ANSI C119.4 Class A standards with 90°C temperature rating

Specifications

Finish
Tin Plated
Fits Bolt Sizes
5/8 IN
Inside Diameter
0.68 in
Inside Diameter
17.3 mm
Material
Copper Alloy
Material Quality
Copper Alloy
Outside Diameter
1.4 in
Outside Diameter
35.6 mm
Standard
UL E9809
Standard
UL E9809 / UL E9809
Thickness
0.035 in
Thickness
0.89 mm
Type
Transition Washer
Package Dimensions (L x W x H)
3.5 IN x 3 IN x 3 IN
Package Dimensions (L x W x H)
8.89 cm x 7.62 cm x 7.62 cm
Package Weight (Imperial)
0.060 L
Package Weight (Metric)
0.027 kg
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DTW12

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DTW516

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DTW38

Transition Washer for Connecting Aluminum/Aluminum, Aluminum/Copper and Aluminum/Copper Lugs and Bus Bar, Outer Diameter 25.4mm (1.0 Inch), Inner Diameter 10.9mm (0.43 Inch), Stud Size 3/8 Inch, Copper Alloy, Tin Plated
Transition Washer for Connecting Aluminum/Aluminum, Aluminum/Copper and Aluminum/Copper Lugs and Bus Bar,Outer Diameter 17.3mm (0.68 Inch), Inner Diameter 6.9mm (0.27 Inch), Stud Size 1/4 Inch, Copper Alloy, Tin Plated

DTW14

Transition Washer for Connecting Aluminum/Aluminum, Aluminum/Copper and Aluminum/Copper Lugs and Bus Bar,Outer Diameter 17.3mm (0.68 Inch), Inner Diameter 6.9mm (0.27 Inch), Stud Size 1/4 Inch, Copper Alloy, Tin Plated
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