ABB - Installation Products FPW58 - Insulation Piercing Washer, 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

FPW58

UPC: 786210709987


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Minimum Qty: 250

Multiplier: 250

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Overview

The ABB FPW58 is a tin-plated copper alloy insulation piercing washer designed for secure, corrosion-resistant electrical connections. With an outer diameter of 35.6mm (1.4 inches) and inner diameter of 17.3mm (0.68 inch), it accommodates a 5/8 inch stud, providing a tight fit for medium to heavy-duty applications. The copper alloy construction ensures excellent conductivity, while the tin plating enhances corrosion resistance and reduces contact resistance, minimizing heat generation during operation. This washer is ideal for use in electrical distribution systems, switchgear, and industrial control panels where reliable, maintenance-free connections are critical. Its piercing design eliminates the need for stripping insulation, reducing installation time and potential damage to conductors. The FPW58 meets industry standards for electrical conductivity and mechanical strength, ensuring long-term performance in harsh environments. Compatible with standard 5/8 inch studs, the FPW58 is a cost-effective solution for grounding and bonding applications. Its compact dimensions make it suitable for tight spaces, while the robust construction ensures durability under vibration and thermal cycling. Trust ABB’s Installation Products for dependable electrical connectivity in demanding industrial settings.
  • Outer Diameter: 35.6mm (1.4 inches)
  • Inner Diameter: 17.3mm (0.68 inch)
  • Stud Size: 5/8 inch
  • Material: Copper alloy with tin plating
  • Application: Electrical connections, grounding, and bonding

Specifications

Application
Enables copper to aluminum connections to be made in a bolted joint without the use of inhibiting compounds
Finish
Tin Plated
Fits Bolt Sizes
5/8 IN
Inside Diameter
0.68 in
Inside Diameter
17.3 mm
Material
Copper
Outside Diameter
1.4 in
Outside Diameter
35.6 mm
Special Features
Accommodates the difference in thermal expansion between copper and aluminum and enhances the efficiency of bolted grounding connections
Standard
UL E9809
Thickness
0.035 in
Thickness
0.89 mm
Type
Transition Washer
Package Dimensions (L x W x H)
5 IN x 4.5 IN x 3 IN
Package Dimensions (L x W x H)
12.7 cm x 11.43 cm x 7.62 cm
Package Weight (Imperial)
0.0100 L
Package Weight (Metric)
0.0050 kg
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

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
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