The Siemens 3UG5514-1BR20 network monitor is an electronic relay that provides reliable monitoring of voltage and frequency in three-phase systems. It features adjustable thresholds for overvoltage, undervoltage, and frequency deviations, ensuring stability and protection in electrical networks. This device is typically used in industrial automation and power distribution applications to enhance system reliability and safety.
| Type |
Network monitor |
| Depth |
90mm |
| External power supply required |
false |
| Function overvoltage detection |
false |
| Function under voltage detection |
true |
| Height |
100mm |
| Max. permitted delay-on energization time |
N/A |
| Max. permitted off-delay time |
20s |
| Min. adjustable delay-on energization time |
N/A |
| Min. adjustable off-delay time |
0.1s |
| Misc Attribute |
3UG5514-1BR20 |
| Number of contacts as change-over contact |
0 |
| Number of contacts as normally closed contact |
0 |
| Number of contacts as normally open contact |
0 |
| Operating voltage AC 50 Hz |
N/A |
| Operating voltage AC 60 Hz |
N/A |
| Operating voltage DC |
N/A |
| Phase failure detection |
true |
| Phase imbalance monitoring |
true |
| Phase sequence monitoring |
true |
| Rated switch current |
N/A |
| Supply voltage AC 50 Hz |
N/A |
| Supply voltage AC 60 Hz |
N/A |
| Supply voltage DC |
N/A |
| Type of electric connection |
Screw connection |
| Voltage measuring range |
160 - 760V |
| Voltage type (operating voltage) |
N/A |
| Voltage type (supply voltage) |
AC |
| Voltage type for actuating |
AC |
| Width |
22.5 |
| With detachable clamps |
true |
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