Assertion: vacuum relay | /r/CapableOf | permit handling radio-frequency voltages
Facets:
value: between contacts
type: LOCATION
value: without flashover
type: OTHER
Source sentences:
text: A vacuum relay is a sensitive relay having its contacts mounted in an evacuated glass housing, to permit handling radio-frequency voltages as high as 20,000 volts without flashover between contacts even though contact spacing is as low as a few hundredths of an inch when open.