Unparalleled Fault Current System Protection

Our commutating current limiters provide fault current protection for systems rated 15.5 through 38kV and for applications that include power transformer protection, system upgrades, reactor bypass, cogeneration and closing bus ties. Limiters are available for a wide range of overcurrent interrupting and current limitation requirements.

Current Limiting System Protection Types

Explore our current limiting system protection solutions by type to find those best suited to your needs.

CLiP® Current Limiting Protectors

Our CLiP Current Limiting Protectors has the unique ability to provide high continuous current ratings with current limitation and ultra high-speed operation. Its single-phase and three-phase protection with remote enable/disable works in systems rated 2.8–38 kV with continuous current up to 5000A.

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CLiP®-LV Current Limiting Protectors

CLiP-LV Current Limiting Protector is a unique over-current protection device that interrupts potentially damaging fault current. It works with voltages up to 750V and continuous currents up to 4000A. CLiP-LV Current Limiting Protector UL rating offers added certainty of its testing and safe operation in a variety of applications.

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Encapsulated Current Limiting Fuses

Encapsulated current limiting fuses deliver an extremely durable system through a rugged design that uses epoxy technology. Their economical, one-piece epoxy encapsulated fuses are easy to install and remove.

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High Current Limiters

High current limiters feature interrupt ratings to 120 kA. Their backup fuses are designed for application in series with lower rated interrupters.

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Power Assisted Fuses

Power assisted fuses are designed for systems rated 2.8–38 kV and continuous currents up to 600A. They can operate as part of indoor and outdoor applications and are easy to install and maintain.

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