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Siemens 3UG4615-2CR20 SIRIUS 3UG4 Digital Phase Monitoring Relay, 160 to 690 V AC, Spring Terminals
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$400.00 USD
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The Siemens 3UG4615-2CR20 is a SIRIUS 3UG4 digital network monitoring relay for three-phase supply voltage supervision in industrial control panels. It monitors phase sequence, phase failure, undervoltage, overvoltage, asymmetry, and voltage window conditions across 160 to 690 V AC systems, with LCD indication and spring-loaded terminals for cabinet wiring.
| Product ID (MPN) | 3UG4615-2CR20 |
| Brand / Product Family | Siemens SIRIUS 3UG4 |
| Product Category | Network monitoring relay with digital setting |
| Product Function | Phase monitoring relay |
| Design of Product | 5 functions |
| Monitoring Functions | Undervoltage, overvoltage, phase sequence, phase failure, asymmetry, 3-phase voltage window recognition |
| Measurable Voltage | 160 ... 690 V AC |
| Control Supply Voltage | 160 ... 690 V AC at 50/60 Hz |
| Adjustable Response Delay Time | 0.1 ... 20 s with lower or upper limit violation |
| Hysteresis | 1 ... 20 V |
| Display | LCD display; digital display accuracy ±1 digit |
| Relative Metering Precision | 5% |
| Relative Repeat Accuracy | 1% |
| Contact Configuration | 2 changeover contacts; 1 CO for Umin and 1 CO for Umax |
| Thermal Current of Switching Element | 5 A maximum |
| Output Relay Rating at AC-15 | 3 A at 250 V AC; 3 A at 400 V AC |
| Output Relay Rating at DC-13 | 1 A at 24 V DC; 0.2 A at 125 V DC; 0.1 A at 250 V DC |
| Operational Current | 5 mA minimum at 17 V |
| Insulation Voltage | 690 V, overvoltage category III, pollution degree 3 |
| Surge Voltage Resistance | 6 kV rated value |
| Protection Rating | IP20 |
| Electrical Connection | Spring-loaded terminals; removable terminal for auxiliary and control circuit |
| Conductor Cross-Section | Solid: 0.25 ... 1.5 mm²; finely stranded with or without core end processing: 0.25 ... 1.5 mm²; AWG 24 ... 16 |
| Mounting Method | Snap-on mounting; mounting position any |
| Dimensions | 22.5 mm W x 94 mm H x 91 mm D |
| Ambient Operating Temperature | -25 ... +60 °C |
| Installation Altitude | 2,000 m maximum above sea level |
| Approvals / Certifications | CCC, UL, EAC, RCM, CE, UKCA, Lloyd's Register, DNV GL, railway vibration and shock confirmation |
| Product Status Note | Product phase-out; preferred successor type 3UG5616-2CR20 |
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