SF4B-A28C

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Light curtains play a critical role in promoting workplace safety. Also known as optical or diffuse screens, these sensors are designed to detect the presence of a person or an object within the area designated for protection. SF4B-A28C is a type of light curtain with many applications in the commercial and industrial sectors.

The SF4B-A28C is an optical safety device designed to protect from hazardous machines and processes. It is certified for safety related applications according to IEC 61496-1 and IEC 61496-2. It is composed of a Transmitter and Receiver unit, which forms a single barrier unit. Both of the sender and receiver contain a series of visible light beams connected in a matrix form. When a person or an object passes through the area of the transmitter and receiver, the interruption of the light beams will trigger the output signal, making it suitable for applications like the presence or replacement detection in automation machines.

This device features an exceptionally long 118mm sensitivity distance and can be connected in series and operated up to a maximum of 19 receivers in parallel. It is also effective even under humidity, dust or air. In addition, it is equipped with a multi-function test indicator, a monitor output signal for alarm and a threshold adjustment potentiometer for precision settings.

Since the SF4B-A28C light curtain is a highly accurate safety device, it is well suited for many applications. Typical applications are automatic door systems, photovoltaic cell ins

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