Arc - an electrical discharge between mating relay contacts when an energized circuit is interrupted. Contact bounce is intermittent unwanted opening of closed contacts or closing of open contacts. Gap - opening closed contacts to interrupt the electrical circuit. Breakdown… Read More »High voltage vacuum relays. Basic terms and definitions.
RF \ HF \ microwave equipment. Vacuum relays play a vital role when high power and low RF losses are required. Vapor phase deposition for wafer processing Antenna transmitter/receiver switches Pulse shaping networks Ion implant Sources… Read More »High voltage vacuum relays. Areas of use.
Vacuum relays are widely used in airborne (aviation), mobile and marine communications equipment. Typical applications include antenna coupling, tap switching on radio frequency (RF) coils, transmit/receive switching to an antenna, switching in pulse shaping networks, and… Read More »High voltage vacuum relays. General information. Part 1
-30kV High Voltage Vacuum Relays - SPST (Single Base Single Throw) - There are two versions available: a) MGV20A (SPST-NO, Normally Open) b) MGV20B (SPST-NC, Normally Closed) -High voltage switching - screw connection. - Relay fastening - through, under a carving.
High voltage vacuum relays can be applied in various fields such as radar systems, ESD pulse generating equipment, high voltage test equipment, high voltage power supplies, airfield lighting systems.
As everyone knows, high-voltage relays are called relays that switch circuits with voltages over 500 V and high currents. Precisely because of the ability to steer gigantic powers, relays are used in aerospace RF applications. This equipment requires compact relays that have low RF overhead, have unsurpassed dielectric properties at high voltages, and are capable of operating at high altitudes under harsh weather conditions. Other than that, extensive use of relays has been found in medical equipment and all sorts of commercial applications.
For increased electronic insulation strength, high-voltage relays are made vacuum or gas-filled, for example, as the dielectric strength of vacuum, sulfur hexafluoride or an inert gas is higher than air. Even in a vacuum or in an insulating gas environment, no oxidation of the contacts occurs, which in fact makes it possible to use copper or rhodium contacts capable of withstanding gigantic currents. To be able to be used in applications where space is "hot-switched" at low currents, we have come up with vacuum relays with contacts made of durable materials such as tungsten... Read More »inside the relay
MEGAVAC is: -15 years of experience in the production of high voltage vacuum relays and capacitors -Production upgrade in 2016. -More than 100 major OEM contracts -6 categories and over 200 product types. Quality 1. 100% quality control. 2. Unique… Read More »MEGAVAC = reliability!
The scheme of designations used in the relay.1. Designation of relay contacts.COM - common contact of the relay, which is movable. Often referred to as BASE or COMMON. The common contact is also called a pole, and those with which it connects are called directions. NC (Normal Close) - ... Read More »Scheme of symbols used in the relay.