Relay (electric relay)

The 3UG4632-1AW30 is a Siemens SIRIUS single-phase voltage monitoring relay with a measurement range of AC/DC 10~600V, covering a higher voltage level than general models. The hysteresis value is adjustable from 0.1 to 300V, and the power supply is designed for a wide range of AC/DC 24~240V, making it suitable for high-voltage power supply monitoring.

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.

The 3UG4631-1AA30 is a Siemens SIRIUS low-voltage monitoring relay with a measurement range of AC/DC 0.1~60V. It adopts a fixed AC/DC 24V power supply design, and the hysteresis value is adjustable from 0.1 to 30V. It has one set of switching contacts and screw terminal wiring, making it suitable for low-voltage signal circuit protection applications.

The 3UG4625-2CW30 is a Siemens SIRIUS leakage current (ground fault) monitoring relay. It needs to be used with a 3UL23 current transformer. The measurement range is 0.03~40A. It is equipped with 2 sets of switching contacts and spring terminals. It is powered by AC 24~240V and is suitable for monitoring equipment ground faults.

The 3UG4625-1CW30 is a Siemens SIRIUS three-phase leakage current monitoring relay, which comes with a 3UL23 current transformer with a setting range of 0.03~40A and can measure currents from 10mA to 43A. It provides two-stage hysteresis settings for warning and tripping, two sets of switching contacts, and screw terminal wiring design.

The Siemens SIRIUS 3UG4624-1CS20 digital monitoring relay can detect fault (leakage) currents from 30mA to 40A, control power supplies from 90 to 690V AC, and provide two sets of delayed switching contacts, making it suitable for ground fault monitoring applications.

The Siemens SIRIUS 3UG4622-2AW30 current monitoring relay uses spring terminals, measures current from 0.05 to 15A, is a universal 24 to 240V AC/DC control power supply, and has adjustable hysteresis from 0.01 to 5A. It is suitable for over and undercurrent protection of motors and loads.

The Siemens SIRIUS 3UG4622-1AW30 single-phase current monitoring relay measures 0.05 to 10A. It features SPDT contacts rated at 3A/400V AC and screw terminals for DIN rail mounting, facilitating maintenance and wiring.

The Siemens SIRIUS 3UG4622-1AA30 features a fixed 24V AC/DC power supply, an LCD digital current monitoring relay with a measurement range of 0.05 to 15A, adjustable hysteresis from 0.01 to 5A, IP20 protection rating, and a compact size of only 22.5mm.

The Siemens SIRIUS 3UG4621-1AW30 microcurrent monitoring relay can monitor minute currents from AC 3 to 600mA or DC 0.003 to 0.6A, and is compatible with 24 to 240V AC/DC power supplies. Its maximum response time is only 450ms.

The Siemens SIRIUS 3UG4618-1CR20 is a three-phase voltage monitoring relay that supports neutral connection and features automatic phase sequence correction. It has a voltage range of 3x160 to 690V AC (90 to 400V for neutral) and dual CO delayed output contacts.

The Siemens SIRIUS 3UG4617-1CR20 three-phase power supply voltage monitoring relay features automatic phase sequence correction, phase loss detection, and over/under voltage monitoring. It has a voltage range of 3x160 to 690V AC and is certified by multiple countries including UL and CCC.

The Siemens SIRIUS 3UG4616-2CR20 three-phase voltage monitoring relay supports neutral line connection, reversible phase sequence unaffected by wiring order, independent Umin/Umax output contacts, and spring-loaded terminals for convenient and quick wiring.

The Siemens SIRIUS 3UG4616-1CR20 three-phase voltage monitoring relay supports neutral line connection and reversible phase sequence unaffected by wiring order. It features screw terminals with two sets of conversion contacts and is suitable for replacing the older 3UG3042-1BP50 model.

The Siemens SIRIUS 3UG4615-1CR20 three-phase voltage monitoring relay can detect phase sequence abnormalities, phase loss, and over/under voltage. The voltage range is 3x160 to 690V AC, with a measurement accuracy of ±5%. The screw terminals are suitable for DIN rail mounting.