The sensor does have some limits. It can only detect motion up to about 16.5 feet away. And while Philips will give you the option of reducing that — that is, only turning on lights when motion ...

A new Hiall-generator current sensor has been developed for application in low-voltage circuit breakers with a solid- state, static tripping device in the 225A -4000A class [1]. Composed of a Hall ...

At present, the state evaluation of the vacuum circuit breaker mostly relies on a single sensor. For a complex circuit breaker, the characteristic quantity of the single cannot fully stand for the ...