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The P+F Pepperl+Fuchs series products cover the fields of chemical and petrochemical, water treatment, metallurgy, pharmaceutical, electric power, cement, pulp and paper-making utilities automation. Pepperl+Fuchs safety barriers are divided into Zener barriers and isolation barriers. Pepperl+Fuchs Zener-type safety barriers and isolation barriers use fast fuses, current-limiting resistors or voltage-limiting diodes in the circuit to limit the input electrical energy, so as to ensure the energy output to the hazardous area.

P+F Pepperl+Fuchs’ main products are Zener barriers, isolation barriers, multiplexers, displays and process I/Os. It has close cooperation with DCS companies and system integrators to provide explosion-proof products for petroleum and petrochemical plants. Pepperl+Fuchs series of safety barriers are divided into isolation barriers and Zener barriers. Each type has its own unique advantages and functions. There are many P+F series products such as P+F Pepperl+Fuchs ultrasonic sensor, P+F photoelectric switch, P+F encoder, P+F power supply, Pepperl+Fuchs surge protector, etc. The intrinsically safe explosion-proof method of the P+F Pepperl+Fuchs safety barrier is to use the safety barrier technology to limit the electrical energy provided to the field instrument within a safe range that can neither generate a spark sufficient to detonate nor produce a sufficient temperature rise of the instrument surface. Thereby eliminating the explosion-proof method of the detonation source. In order to limit the surface temperature of the instrument, in addition to limiting the open circuit voltage and short circuit current of the loop, the maximum power of the loop must also be limited. P+F Pepperl+Fuchs safety barrier, as a key component of the intrinsically safe system, has attracted more and more attention. If the field instrument is not explosion-proof, then a safety barrier must be installed in the DCS, so that if the field instrument fails, it will not cause an explosion. P+F Pepperl+Fuchs series products are more suitable for industrial occasions. Each series of products has its characteristics and advantages.