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Free Shipping Available On Many Items. Check Out Top Brands On eBay. What are the functions of relay and contactor? What is the difference between a relay and a contactor? A contactor is a large relay , usually used to switch current to an electric motor or another high-power load.
Large electric motors can be protected from overcurrent damage through the use of overload heaters and overload contacts. A mercury relay , sometimes called a mercury displacement relay , or, mercury contactor , is a relay that uses the liquid metal mercury in an insulated sealed container as the switching element.
Contactors and Protection Relays As the largest selling line of contactors in the worl TeSys range offers high reliability with long mechanical and electric life with the full complete line of accessories for motor and load control. Operation of Relays and Contactors A Contactor is used for switching of motors, capacitors, lights etc, that drains very high current. It has at least a single pair of three-phase input and output contacts. Panasonic manufactures a broad portfolio of Relays and Contactors.
TE Connectivity (TE) is a world manufacturing leader of relays , offering innovative relay products of consistently high quality and system solutions. We offer the broadest range of relays and contactors in the world. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Relays are found in many industries, including automotive industries, industrial applications and the telecommunications industry. Open or close your circuits to protect your electrical systems with our selection of electrical relays.
Relays – Contactors (Electromechanical) are in stock at DigiKey. The contactor contains a coil which, when energize pulls in the contacts, which will send output voltage to the desired device. Solid state relays from Grainger are switching devices that have no moving parts or arcing contacts to wear out. DC relays consist of wire wound on a bobbin, which is placed over a ferromagnetic core.
A hinged contact assembly is positioned over the core (Photo 1). When current is applied to the coil, flux is induced in the ferromagnetic core, causing the contacts to close. Omron’s dependable relays set the ultimate standard for reliability, ease of testing and compatibility with momentary voltage drops.
Browse our diverse portfolio to find an electromechanical relay that suits your exact requirements. The switch is magnetize or attached to a small magnet. On either side of that magnet are small coils of wire called solenoids.
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