1. 3SU1401-1BC20-3AA0 is a relay from Siemens, part of the 3SU series. It is a single-contact, small-dimension, and plug-in-style relay, with a power contact of 5A and a minimum contact resistance of 30 milliohms.
2. The 3SU1401-1BC20-3AA0 relay has a contact capacity of 2NO+2NC and an insulation voltage of 500V AC or with a maximum switching current of 7A. It has a coil voltage of 48V DC with a release voltage of 44V DC to 52V DC.
3. This relay has a coil power of 3.2 watts, with a response time of 0.05ms and a mechanical life expectancy of 10 Million operations. It is also shock and vibration resistant, with a temperature range of -20°C to +70°C. It also has UL, CSA and VDE approvals.