Siemens 3-Phase Voltage Monitoring Relay (3UG3042-1BP50)
Siemens 3-phase voltage monitoring relay with under/over voltage detection.
The Siemens 3UG3042-1BP50 is a 45mm wide monitoring relay designed for 3-phase voltage applications, including monitoring the PEN conductor. It detects both under- and over-voltage conditions, ensuring the protection of connected equipment. This relay features two changeover (C/O) contacts and operates on AC 3 x 400V at 50/60Hz, utilizing screw connections for secure wiring.
This monitoring relay is essential for safeguarding electrical systems in industrial environments, power distribution, and critical infrastructure where stable voltage is crucial. Applications include protecting motors, control circuits, and sensitive electronic equipment from damaging voltage fluctuations.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3UG3042-1BP50 monitoring relay. Secure reliable protection components for your facility from a trusted source.
| Type | Monitoring Relay |
| Width | 45mm |
| Monitoring | 3-Phase Voltage + PEN Conductor |
| Functions | Under/Over Voltage |
| Contacts | 2 Changeover (C/O) |
| Voltage | AC 3 x 400V |
| Frequency | 50/60Hz |
| Connection | Screw Terminal |