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Distribution Arresters

Excessive voltages produced by lightning, switching, or equipment failures can occur at any time. Our Zforce™ Arresters safeguard and protect your system from voltage surges.

Zforce™ arresters have been updated to feature a silicone direct molded body that seals the arrester component assemblies to provide optimal environmental protection and have been tested to the latest IEEE C62.11 standard. 

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The Zforce™ Advantage

Moisture ingress is the number one reason for conventional arrester failure, which significantly increases maintenance costs.

Our Zero Air Interface polymer housing is molded directly on the composite reinforced core under high pressure for the ultimate seal against moisture.

Zforce™ arresters now feature the same HTV silicone that has been trusted on MPS transmission insulators for over 40 years. This brings the pedigree of our best-in-class aging, contamination and electrical performance to the Zforce arrester line.

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Optimized Design Inside and Out

Each component of our Z-force™ arresters has been engineered for optimal surge protection performance.

Inside the water-tight outer shell made of MacLean’s proprietary silicone formulation resides a reliable configuration of Metal Oxide Varistor (MOV) blocks designed to meet your specified electric surge protection range. The MOV blocks are encased in a carefully woven protective fiberglass cage to ensure optimal performance and longevity for each arrester.

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Arrester 2021 Web Image Cutaway
 
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Top Stud / Hot Stud

MacLean offers a variety of connector options to suit any application

 
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One Piece Polymer Housing

Our proprietary silicone housing prevents moisture ingress and provides all the excellent UV resistance and contamination performance of MacLean’s transmission insulators.

 
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Composite Reinforced Core

A specialty wound fiberglass weave enshrouds Metal Oxide Varistor (MOV) blocks inside each arrester

 
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Molded Nameplate

MacLean Power Systems is molded into the arrester housing for identification that will last the life of the product

 
Primed and Bonded End Plug

Both the upper fitting and lower end fitting are primed and bonded with the outer polymer housing to create a single fused protective component

 
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Epoxy Sealed Integrated GLD

The Ground Lead Disconnect (GLD) enables the arrester to remove itself from the circuit at end of life to prevent a short

 
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Insulating Bracket

The robust polymer insulating bracket allows the arrester to be mounted securely in place for normal operation

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Manufactured with Pride in the USA

Our Z-force™ arresters are manufactured in York, South Carolina with domestic inventory ready to ship. The factory maintains an integrated management system combining quality, safety and environmental standards in all business aspects via ISO 9001, 45001 & 14001.

More Arrester Products:

Maclean Power Systems offers a variety of Distribution, Substation, and Transmission Line Arrester products. Contact us for more details on products to meet your needs.

Custom Solutions. Complete Solutions.

Excessive voltages produced by lightning, switching, or equipment failures can occur at any time. 

Contact us to provide an optimal solution to safeguard and protect your system.

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