Vishay-LH1540AT-High-voltage-Solid-State-Relay-SPST-NO-Vishay-LH1540AT-This-SPST-NO-solid-state-relay-uses-an-LED-based-optoisolator-for-signal-actuation-giving-a-high-voltage-dielectrically-isolated-component-that-can-switch-up-to-350V-AC-or-DC-The-relay-employs-current-limiting-circuitry-that-meets-lightning-surge-testing-to-ANSI-TIA-968-B-&-other-regulatory-voltage-surge-requirements-Suitable-applications-include-telecomms-instrumentation-high-voltage-test-equipment-TRIAC-driver-m