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Siemens
3UG4617-1CR20
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3UG4617-1CR20 |
| Alternative Part Number | 3UG46171CR20 |
| Manufacturer | Siemens |
| Product Type | Digital Monitoring Relay |
| Voltage Monitoring Range | 160 to 690 V AC |
| Frequency | 50 to 60 Hz AC |
| Functions | Phase monitoring, undervoltage detection, overvoltage detection, phase sequence recognition |
| Number of Poles | 3 |
| Adjustable Response Delay Time | 0.1 to 20 seconds |
| Display Type | LCD |
| Insulation Voltage | Rated value 690 V for overvoltage category III according to IEC 60664 |
| Degree of Pollution | 3 |
| Ambient Operating Temperature | -25 to +60 °C |
| Storage Temperature | -40 to +85 °C |
| Installation Altitude | Up to 2000 metres above sea level |
| Electromagnetic Compatibility | IEC 60947-1 / IEC 61000-6-2 / IEC 61000-6-4 |
| Vibration Resistance | 1 ... 6 Hz: 15 mm, 6 ... 500 Hz: 2g |
| Shock Resistance | Sinusoidal half-wave 15g / 11 ms |
| Protection Class | IP20 |
| Mounting Type | Snap-on mounting |
| Connection Type | Screw-type terminals |
| Dimensions (W x H x D) | 22.5 x 92 x 91 mm |
| Commodity Code | 853649 |
The Siemens 3UG4617-1CR20 is a state-of-the-art digital monitoring relay designed for comprehensive three-phase line voltage monitoring. This advanced relay ensures the protection and efficient operation of electrical systems by automatically correcting phase sequence and detecting phase failures. It operates within a voltage range of 160 to 690 V AC at both 50 and 60 Hz, making it versatile for a wide array of industrial applications.
Equipped with under and overvoltage detection capabilities, the 3UG4617-1CR20 can be set to trigger within a voltage hysteresis range of 1-20 V, and it features an adjustable off delay time of 0 to 20 seconds. This relay is not only robust in functionality but also precise, boasting a relative metering precision of 5% and an accuracy of digital display within +/-1 digit.
The compact design, with dimensions of 22.5 x 91 x 91.9 mm, allows for snap-on mounting, making installation straightforward in various settings. The relay's screw-type terminals provide secure and reliable connections, accommodating a range of conductor cross-sections for solid and finely stranded wires.
This monitoring relay is an essential component for industrial systems requiring vigilant monitoring and immediate response to voltage irregularities, ensuring the longevity and reliability of your electrical equipment.
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Frequently Asked Questions
What functions does this digital monitoring relay provide?
The digital monitoring relay offers several functions including phase monitoring, undervoltage and overvoltage detection, phase sequence recognition, phase failure detection, and asymmetry detection.
Can this relay automatically correct phase sequence?
Yes, the relay has an automatic phase sequence correction feature to address any issues with phase sequence in three-phase supply voltages.
What is the voltage range that this relay can monitor?
The relay is capable of monitoring three-phase line voltages from 160 to 690 V AC at a frequency of 50 to 60 Hz.
Is there an adjustable response delay time for this relay?
Yes, the relay allows for an adjustable response delay time ranging from 0.1 to 20 seconds in case of lower or upper limit violations.
What type of display does the relay have?
The relay is equipped with an LCD for display purposes, providing clear and readable output.
What are the dimensions of this relay?
The dimensions of the relay are 22.5 mm in width, 92 mm in height, and 91 mm in depth, making it compact and suitable for various installations.
How is the relay mounted?
The relay utilises a snap-on mounting method, allowing for easy and secure installation in various settings.
What is the insulation voltage rating for this relay?
The relay has an insulation voltage rating for overvoltage category III at 690 V, with a degree of pollution 3, according to IEC 60664.
What is the mechanical service life of the relay?
The relay boasts a mechanical service life of typically 10 million switching cycles, indicating its durability and longevity.
What type of electrical connections does this relay support?
The relay supports screw-type terminals for electrical connections, accommodating both solid and finely stranded conductors with specified cross-sections.
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