Siemens SITOP
Siemens SITOP is a rail-mounted power supply you trust for 24 V: choose 2 A to 40 A, single or three-phase, standard or redundancy modules; wide-range input, 150 % boost for three seconds, battery or capacitor back-up, plus diagnostic relay and OK LED keep PLCs, drives and fieldbus alive even during mains dips or shorts.