Relays and Contactors

Different types of relays are used extensively in RF and high frequency systems. AMS Technologies provides a comprehensive range of unique relays to cover most high frequency applications, whether fast switching RF relays for portable communication systems, or high power relays for switching high power RF on and off.

As a worldwide unique product, the reed relays from AMS Technologies are available in many configurations to suit customer needs. Our reed relays utilise a special hermetically vacuum-sealed reed switch that has been optimised for the 3 to 32 MHz frequency range used in RF communications. With voltage isolation of up to 15 kV, a switching capability of up to 50 VA and a carry current of 3 to 5 A, the RF reed relays can be used as part of an antenna matching unit for manpack communication systems or within a portable system for use on ships or vehicles.

Vacuum relays are electro-mechanical relays optimised for use where high voltage needs to be switched on and off at high frequency. They commonly form the main switching element in medical MRI scanners, vapour etch deposition systems and RF broadcast transmitters, where SPST and also SPDT relays for up to 33 kV are available. With a maximum carry current of 110 A, these relays are also fully ›Mil Spec‹ rated.

Using vacuum as the dielectric in switches is a very effective way to inhibit breakdowns across the contacts. With excellent relationships with suppliers using vacuum in differing switching technologies, AMS Technologies can provide its customers with a compact switching device suitable for high voltages and currents.

Reed relays utilize two reed switch blades of a ferrous nickel construction and encapsulate them in an evacuated glass capsule, thus allowing for the remote control, via a coil which generates a magnetic field to close or open the reed switch. With up to 15 kV of isolation at 3 amperes of current, these are very compact and efficient devices – even the smaller ‘S’ sized packages can provide 5 to 10 kV of isolation. Reed relays are often used in HV test systems, ATE, cable testers and medical defibrillators, amongst others.

Vacuum is generally used as the best dielectric for isolation of high voltages. In order to cope with the effects of capacitive discharges, gas filled relays are preferred due to their arc-quenching capabilities. AMS Technologies supplies both vacuum and gas filled relays to cover the full spectrum of high voltage applications. With isolation voltage from 10 to 70 kV for currents of up to 70 A (depending on type), these relays are a good solution where size, weight and electrical safety are of importance. Typical applications may include capacitor discharge in defibrillators or high power isolation in portable communication systems.

In many utility and safety applications, hermetically sealed, vacuum switches are required in explosive as well as normal environments. The contactors and interrupters from AMS fulfil all these requirements and also provide a cost-effective solution for all DC and AC switching applications where high voltage and high power need to be controlled.

Different types of relays are used extensively in RF and high frequency systems. AMS Technologies provides a comprehensive range of unique relays to cover most high frequency applications, whether... read more »
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Relays and Contactors

Different types of relays are used extensively in RF and high frequency systems. AMS Technologies provides a comprehensive range of unique relays to cover most high frequency applications, whether fast switching RF relays for portable communication systems, or high power relays for switching high power RF on and off.

As a worldwide unique product, the reed relays from AMS Technologies are available in many configurations to suit customer needs. Our reed relays utilise a special hermetically vacuum-sealed reed switch that has been optimised for the 3 to 32 MHz frequency range used in RF communications. With voltage isolation of up to 15 kV, a switching capability of up to 50 VA and a carry current of 3 to 5 A, the RF reed relays can be used as part of an antenna matching unit for manpack communication systems or within a portable system for use on ships or vehicles.

Vacuum relays are electro-mechanical relays optimised for use where high voltage needs to be switched on and off at high frequency. They commonly form the main switching element in medical MRI scanners, vapour etch deposition systems and RF broadcast transmitters, where SPST and also SPDT relays for up to 33 kV are available. With a maximum carry current of 110 A, these relays are also fully ›Mil Spec‹ rated.

Using vacuum as the dielectric in switches is a very effective way to inhibit breakdowns across the contacts. With excellent relationships with suppliers using vacuum in differing switching technologies, AMS Technologies can provide its customers with a compact switching device suitable for high voltages and currents.

Reed relays utilize two reed switch blades of a ferrous nickel construction and encapsulate them in an evacuated glass capsule, thus allowing for the remote control, via a coil which generates a magnetic field to close or open the reed switch. With up to 15 kV of isolation at 3 amperes of current, these are very compact and efficient devices – even the smaller ‘S’ sized packages can provide 5 to 10 kV of isolation. Reed relays are often used in HV test systems, ATE, cable testers and medical defibrillators, amongst others.

Vacuum is generally used as the best dielectric for isolation of high voltages. In order to cope with the effects of capacitive discharges, gas filled relays are preferred due to their arc-quenching capabilities. AMS Technologies supplies both vacuum and gas filled relays to cover the full spectrum of high voltage applications. With isolation voltage from 10 to 70 kV for currents of up to 70 A (depending on type), these relays are a good solution where size, weight and electrical safety are of importance. Typical applications may include capacitor discharge in defibrillators or high power isolation in portable communication systems.

In many utility and safety applications, hermetically sealed, vacuum switches are required in explosive as well as normal environments. The contactors and interrupters from AMS fulfil all these requirements and also provide a cost-effective solution for all DC and AC switching applications where high voltage and high power need to be controlled.

Manufacturer Series
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