3UG4631-1AW30

The 3UG4631-1AW30 is a Siemens SIRIUS low-voltage monitoring relay with a measurement range of AC/DC 0.1~60V. It is suitable for monitoring low-voltage signals or battery circuits, and has a wide power supply range of AC/DC 24~240V. The hysteresis value is adjustable from 0.1 to 30V, and it has one set of switching contact outputs.

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Siemens SIRIUS 3UG4631-1AW30 Low Voltage Monitoring Station Product Image

Product Positioning

The 3UG4631-1AW30 is a low-voltage monitoring relay from the Siemens SIRIUS series. It measures AC/DC voltages from 0.1 to 60 volts and is suitable for monitoring over- and under-voltage signals, batteries, or control circuits. It also supports wide-range control power supply.

Core Product Advantages and Features

Low voltage precision monitoring

Designed for low voltage ranges from 0.1 to 60 volts AC/DC, suitable for signal loop or battery power monitoring applications.

Wide-range control power supply

The power supply range covers AC/DC 24 to 240 volts, and can be directly adapted to various field control power supplies without the need for an additional transformer.

Adjustable hysteresis value

The hysteresis value can be set between 0.1 and 30 volts, effectively reducing frequent actions caused by signal noise.

Noise filtering delay

The action delay is adjustable from 0.1 to 20 seconds, and it has a built-in noise pulse filtering function to improve monitoring stability.

project	Specification
model	3UG4631-1AW30
Function	Single-phase low voltage monitoring (overvoltage/undervoltage)
Voltage measurement range	AC/DC 0.1~60 V
Contact type	One set of switching contacts (1CO)
Lag value	0.1~30 V (adjustable)
Delay time	0.1~20 seconds
Power supply voltage	AC/DC 24~240 V, 50/60Hz
Wiring method	Screw terminals
width	22.5 mm
Protection level	IP20

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