Magnetic Reed Switch Symbol

The reed switch contacts overlap so that when they close they make contact with each other.

Magnetic reed switch symbol.

By adding an additional nonmagnetic contact that is electrically closed with no magnetic field present a single pole double throw switch can be made. The basic reed switch is a single pole single throw normally open switch also known as a spst no or form a switch. The reed switch is an electrical switch operated by an applied magnetic field it was invented at bell telephone laboratories in 1936 by walter b. Floor and fine adjustment switches positive break door contacts position switches magnetic reed switches remote alarm systems as well as the usp ultrasonic elevator positioning system.

Relay symbols and electromagnets. Symbols of electronic sensors transducers detectors. The basis of any reed relay is the reed switch itself this is the core element of the reed relay. A reed switch consists two reed contacts typically made from nickel iron and then plated with materials to ensure the maximum life to the device.

Actuating distance up to 55 mm depending on actuating magnet and version. The contacts are usually normally open closing when a magnetic field is present or they may be. Standard electrical iec symbols also known as iec 60617 british standard bs 3939 used to represent various devices including pilot lights relays timers and switches for usage in electrical schematic diagrams. In its simplest and most common form it consists of a pair of ferromagnetic flexible metal contacts in a hermetically sealed glass envelope.

Most of the time a small voltage or current is used to switch other voltages or higher currents that may be electromechanical or fully electronic type. Currently only available as pdf catalogue. Littelfuse offers the widest selection of magnetically operated reed switches. Options for customization such as lead cutting and forming are available.

The transducers sensors and electrical and electronic detectors are elements activated by the energy delivered by a system and that in turn deliver another type of energy to another different system the transformed energy may be of physical chemical or biological origin. Reed switches are available in bare glass or overmolded packages with a variety of mechanical electrical and magnetic characteristics. 85 mm x 26 mm x 24 mm. The relay are switching devices activated by signals.