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Siemens 3UG4513-1BR20 SIRIUS 3UG4 Phase Monitoring Relay, 3 x 160 to 690 V AC, 2 CO Contacts
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$240.00 USD
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The Siemens 3UG4513-1BR20 is a SIRIUS 3UG4 network monitoring relay for three-phase phase failure, phase sequence, undervoltage, and asymmetry monitoring in industrial control panels. It supports adjustable undervoltage monitoring from 3 x 160 to 690 V AC and provides two changeover relay contacts for integration into protection, interlock, and machine control circuits.
| Product ID (MPN) | 3UG4513-1BR20 |
| Brand / Product Family | Siemens SIRIUS 3UG4 |
| Product Category | Network monitoring relay with analog setting |
| Product Function | Phase monitoring relay |
| Monitoring Functions | Undervoltage detection, phase sequence recognition, phase failure detection, asymmetry detection |
| Measurable Voltage | 160 ... 690 V AC |
| Control Supply Voltage | 160 ... 690 V AC at 50/60 Hz |
| Asymmetry Threshold | 20% fixed |
| Hysteresis | 5% fixed |
| Delay Time | 0 ... 20 s |
| Response Time | 450 ms maximum |
| Relative Metering Precision | 5% |
| Relative Repeat Accuracy | 1% |
| Contact Configuration | 2 changeover contacts |
| 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 | Screw terminal, removable terminal for auxiliary and control circuit |
| Conductor Cross-Section | Solid: 0.5 ... 4 mm²; finely stranded with core end processing: 0.5 ... 2.5 mm²; AWG 20 ... 14 |
| Terminal Tightening Torque | 0.8 ... 1.2 N·m |
| Mounting Method | Snap-on mounting; mounting position any |
| Dimensions | 22.5 mm W x 92 mm H x 91 mm D |
| Ambient Operating Temperature | -25 ... +60 °C |
| Installation Altitude | 2,000 m maximum above sea level |
| Approvals / Certifications | CE, UKCA, CCC, UL, EAC, RCM, KC, DNV, Lloyd's Register, railway and environmental confirmations |
| Product Status Note | Product phase-out; preferred successor type 3UG5514-1BR20 |
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