Siemens 6EP4137-3AB00-2AY0 SITOP UPS1600 40A Ethernet/PROFINET Uninterruptible Power Supply. SITOP UPS1600 40 A Ethernet/ PROFINET uninterruptible power supply with Ethernet/ PROFINET interface / OPC UA server / web server input: 24 V DC output: 24 V DC/40 A. It belongs to SITOP UPS1600 DC UPS modules. Recorded manufacturer technical characteristics include IP rating: IP20; Efficiency: 98.8 %; PC interface: Yes; ON-delay time: 60 s; Rated current: 40 A; Certifications: CE, UL, cULus-Listed; Interface design: Ethernet/PROFINET; Protection class: Class III.