Descriptors | Relays, Thermal-cycling tests, Force, Design, Electrical testing, Electric enclosures, Electric control equipment, Electrical protection equipment, Semiconductor devices, Thermal-shock tests, Circuits, Alternating current, Performance testing, Test equipment, Aircraft components, Environment (working), Remote control systems, Endurance testing, Electric terminals, Qualification approval, Power control (electric), Performance, Acceptance (approval), Electric regulators, Torque, Load regulators, Approval testing, Relay circuit-breakers, Testing conditions |