Optocouplers are electronic devices which are designed to transfer electrical signals by using light waves. They have a range of uses in both domestic and industrial applications – often used on building sites.
The purpose of an optocoupler is to stop rapidly changing voltages or high voltages on one side of a circuit from manipulating transmissions or damaging components on the other side of the circuit.
Optocouplers work by transferring energy from one circuit to another circuit via an optical transmission path, while providing electrical isolation.
The light emitter device can come in the form of an LED that produces IR or visible light, or a laser diode.
The light emitter receives the input and converts it into a light signal. The light detector senses the light emitter and converts back into an electrical signal.
Optocouplers are often used in high-voltage applications to block the high voltages and variations in voltage. This ensures that, if there is a spike in one part of a circuit, it will not affect other parts. Therefore, they are ideal for applications which may experience variations in voltage.
Siemens range of 3RQ3 Optocouplers have benefits such as …
All versions are available with screw or spring-type terminals (push-in technology)
Low space requirements in the control cabinet
Clearly visible functional state of the coupling relay by green LED
Reduced inventory due to low variance
Uniform accessories throughout the entire 3RQ3 series
Integrated jumper option using connecting comb for all terminals
Galvanic isolation plate for isolating different voltages for neighbouring units
Clip-on labels available as plotter matte paper for individual printing
DBI Control have regularly used the Siemens 3RQ3055-1SM30 Optocouplers within various control systems and spares packages, due to their reliability and versatility.
With a width of just 6.2mm and low overall depth/height, they are ideal for narrow tier spacing or in flat switchboxes. They are available with either relay or semiconductor output.
If you are interested in finding out about the Siemens 3RQ3 Optocouplers, or any other Siemens products, please get in touch today on 01244 288138 or email@example.com for more details.