Reed switches - Generic specification Ingestion-build-141043 1 Introduction

1   Introduction

Some guidance with respect to such eye protectors is given in ISO/TR 22463

abrasive chemicals and weathering

BS EN 12193 specifies lighting for those indoor and outdoor sports events most practised in Europe

Reed switches - Generic specification Ingestion-build-141043 1 IntroductionWhat is BS EN 62246 1 Reed switch standards about? The reed switch is an electrical switch operated by an applied magnetic field. The contacts are usually normally open, closing when a magnetic field is present, or they may be normally closed and open when a magnetic field is applied. The switch may be actuated by an electromagnetic coil, making a reed relay, or by bringing a permanent magnet near it. When the magnetic field is removed, the contacts