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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3UG4616-1CR20 |
| Alternative Part Number | 3UG46161CR20 |
| Manufacturer | Siemens |
| Type | Digital Monitoring Relay |
| Voltage Range | 90 to 400 V ac |
| Mounting | Snap On Mount |
| Terminal Type | Screw Terminal |
| Dimensions | 22.5 x 91 x 102 mm |
| Display | LCD |
| Phase Monitoring | Yes, with reversible phase sequence and phase failure detection |
| Voltage Detection | Overvoltage and undervoltage detection for three-phase systems |
| Hysteresis | Adjustable 1-20V |
| Delay Time Adjustment | 0-20 seconds for both Umin and Umax |
| Galvanic Isolation | Yes, between entrance, outlet, and other circuits |
| Operating Temperature Range | -25 to +60 °C during operation |
| Storage Temperature Range | -40 to +85 °C |
| Installation Altitude | Up to 2000 m above sea level |
| Electromagnetic Compatibility | IEC 60947-1, IEC 61000-6-2, IEC 61000-6-4 |
| Vibration Resistance | 1 to 6 Hz: 15 mm, 6 to 500 Hz: 2g |
| Shock Resistance | Sinusoidal half-wave 15g / 11 ms |
| Insulation Voltage | For overvoltage category III according to IEC 60664, with degree of pollution 3, Rated value 690V |
| Degree of Pollution | 3 |
| Protection Class | IP20 |
The Siemens 3UG4616-1CR20 is a sophisticated digital monitoring relay designed to ensure the stability and protection of three-phase voltage systems. This versatile device is adept at monitoring phase sequences, phase failure, and voltage levels within a range of 160 to 690V AC at frequencies of 50 to 60 Hz. It is equipped with features to detect both undervoltage and overvoltage conditions, with adjustable hysteresis from 1-20V and response delay times ranging from 0.1 to 20 seconds for precise control.
The relay's compact design, with dimensions of 22.5 x 91 x 102 mm, allows for efficient use of space in electrical cabinets, and its snap-on mounting facilitates easy installation. The screw terminal connections provide a secure and reliable means of integrating the relay into existing systems. The unit's LCD display offers clear and immediate feedback on the status of the monitored parameters, enhancing the ease of system checks and maintenance.
With a robust construction and a protective rating of IP20, the Siemens 3UG4616-1CR20 is suitable for a wide range of industrial applications where monitoring of three-phase voltages is critical. Its ability to withstand various environmental conditions, including a wide range of operating and storage temperatures, makes it a reliable choice for ensuring the continuous operation of machinery and processes.
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Frequently Asked Questions
What is the purpose of this digital monitoring relay?
The digital monitoring relay is designed for monitoring three-phase voltages with a neutral conductor. It ensures the correct phase sequence and detects phase failure, under-voltage, and over-voltage conditions within a range of 90 to 400 V AC.
Can this relay detect both under-voltage and over-voltage?
Yes, it is equipped to detect both under-voltage and over-voltage conditions, with adjustable hysteresis and delay settings for precise control.
Is there a display on the relay for monitoring or configuration?
The relay features an LCD for display purposes, which facilitates easy monitoring and configuration of the settings.
What type of terminals does this relay have for electrical connections?
This relay is equipped with screw-type terminals, which allow for secure and reliable electrical connections.
What is the mounting type for this relay?
The relay utilises a snap-on mounting design, which makes it easy to install and remove from a DIN rail without the need for additional tools.
What is the ambient temperature range in which this relay can operate?
The relay is designed to operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in various industrial environments.
Does this relay have galvanic isolation?
Yes, it features galvanic isolation between the input and output, between the outputs themselves, and between the voltage supply and other circuits, enhancing safety and equipment protection.
What certifications does this relay have?
The relay has general product approval and EMC declaration of conformity, among other certifications, ensuring compliance with industry standards.
What is the mechanical service life of this relay?
The mechanical service life of the relay is typically around 10 million switching cycles, indicating its durability and longevity.
Can this relay be used with different conductor cross-sections?
Yes, the relay's screw-type terminals can accommodate various conductor cross-sections, including solid and finely stranded wires, with or without core end processing.
