Pepperl+Fuchs has released the new KFU8-SR-EX universal powered switch amplifier, which can be used in intrinsically safe applications and functional safety up to SIL 2. The new KFU8 can be supplied with 19 Vdc to 30 Vdc or 90 Vac to 253 Vac. The switch amplifiers transmit discrete signals from NAMUR sensors or mechanical contacts in the hazardous area to the safe area. All modules feature line fault detection. The devices are designed for use in environments from -40°C to +60°C and have all major international approvals such as ATEX, IECEx and UL. In addition, the products are certified by TÜV Rheinland for applications up to SIL 2 Edition 2 according to IEC 61508/IEC 61511.The devices are available as 1- and 2-channel versions; the 1-channel version is available with an optional additional fault relay contact output.
