7KM3133 0BA00 3AA0 programmable logic controller allen bradley rockwell plc programming micro plc controllers

The Siemens Sirius 3R monitoring relay with the part number 7KM3133-0BA00-3AA0 is a compact multifunctional device designed to monitor and protect electrical machines and systems against phase loss, phase imbalance, phase sequence, under-/overvoltage, and phase unbalance caused by asymmetric loading. Some of its key features and specifications are:

Nominal control supply voltage: 24 V AC/DC
Measuring range for phase loss: 0.1 to 10 s
Measuring range for under-/overvoltage: 0.1 to 30 s
Measuring range for phase imbalance: 2 to 20% adjustable
Measuring range for phase sequence: 0.05 to 5 s
Measuring range for phase unbalance: 2 to 20% adjustable
Operating temperature range: -20°C to +60°C (-4°F to +140°F)
Compact design with a width of only 22.5 mm
LED status indication for power supply, fault, and relay status
Two separate changeover contacts for alarm and trip functions
This monitoring relay is suitable for use in a wide range of applications, including industrial pumps, fans, compressors, and conveyor systems, where it can help to improve system reliability and reduce downtime.

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