Power failures, extreme voltage fluctuations or a faulty load can paralyze system operations and cause considerable costs.
The SITOP add-on modules from Siemens individually protect your production from various sources of danger and increase your system availability with a complete, all-round protection.
The SITOP SEL1200 and SEL1400 selectivity modules are an ideal addition to all 24 V power supplies for distributing and monitoring the load current across several power branches.
For additional reliability, two power supplies can be connected via the SITOP redundancy module, RED1200. If one unit fails, the other automatically takes over the power supply. This ensures a high degree of power security even under difficult conditions.