Product Description
Siemens 3UG4632-1AW30 Voltage Monitoring Relay
The Siemens 3UG4632-1AW30 is a versatile digital voltage monitoring relay from the reliable SIRIUS series, designed to protect single-phase AC systems from overvoltage and undervoltage conditions. With a wide measuring range of 10 to 600V AC and a flexible control supply voltage of 24 to 240V AC/DC, this relay is suitable for a broad spectrum of industrial applications. It features adjustable delay times for Umin and Umax, a selectable memory function for fault logging, and a single change-over contact for signaling or control. The screw-type terminals ensure secure and straightforward installation in control cabinets, providing essential protection for sensitive machinery and equipment against harmful voltage fluctuations.
Technical Specifications:
- Model: 3UG4632-1AW30
- Brand: Siemens
- Series: SIRIUS
- Function: Single-Phase AC Voltage Monitoring (Overvoltage/Undervoltage)
- Measuring Range: 10 – 600V AC
- Control Supply Voltage (Us): 24 – 240V AC/DC
- Output Contacts: 1 x Change-over (CO) Contact
- Connection Type: Screw Terminals

Siemens 3UG4632-1AW30 Voltage Monitoring Relay
Protect your equipment with the Siemens 3UG4632-1AW30 SIRIUS voltage monitoring relay. This device reliably monitors 10-600V AC systems for overvoltage and undervoltage, featuring a wide-range 24-240V AC/DC supply, adjustable delays, and one change-over contact for industrial control applications.






