Phoenix Contact Circuit Breakers
Phoenix Contact circuit breakers are designed to provide reliable protection and accurate tripping in the event of electrical stresses. The most common types of circuit breakers used today fall into two basic categories: thermomagnetic and electronic.
Thermomagnetic circuit breakers, such as those in the UT 6-TMC series from Phoenix Contact, use a combination of thermal and magnetic trip elements to initiate overload conditions and short-circuit protection. In applications where more dependable service is required, or for situations subjecting circuits to unusual stresses (e.g., high ambient temperatures), Phoenix Contact now offers electronic circuit-breaker models that reliably detect even the slightest changes in current that might signal an impending fault.
The advanced electronic trip units in Phoenix Contact's electronic circuit breakers, like the CBMC series, allow for very precise and customizable protection settings. These breakers are intended for a variety of applications—a single protection channel in a simple situation or multiple protection channels in a sophisticated system. The breakers provide some nice benefits, such as adjustable trip curves, remote monitoring (in some models), and easy integration with modern digital communication systems—enhancing the flexibility and "smartness" of contemporary electrical installations.
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