| Digital monitoring relay Voltage monitoring, 22.5 mm for IO-Link 10...600 V AC/DC Overvoltage and undervoltage Hysteresis 0.1 to 300 V ON-delay time Tripping delay time 1 change-over contact, screw terminal |
| Product brand name | SIRIUS |
| Product designation | Voltage monitoring relay with digital setting |
| Product type designation | 3UG4 |
| General technical data |
| Product function | Voltage monitoring relay |
| Insulation voltage | |
| for overvoltage category III according to IEC 60664 | |
| — with degree of pollution 2 rated value | 690 V |
| Degree of pollution | 2 |
| Type of voltage | |
| for monitoring | AC/DC |
| of the control supply voltage | DC |
| Surge voltage resistance rated value | 6 kV |
| maximum permissible voltage for safe isolation | |
| between control and auxiliary circuit | 690 V |
| Protection class IP | IP20 |
| Shock resistance | |
| acc. to IEC 60068-2-27 | sinusoidal half-wave 15g / 11 ms |
| Mechanical service life (switching cycles) | |
| typical | 10 000 001 |
| Electrical endurance (switching cycles) | |
| at AC-15 at 230 V typical | 100 000 |
| Thermal current of the switching element with contacts maximum | 5 A |
| Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750 | K |
| Reference code acc. to DIN EN 81346-2 | K |
| Reference code acc. to DIN EN 61346-2 | K |
| Relative repeat accuracy | 1 % |
| Product Function |
| Product function | |
| undervoltage detection | Yes |
| Overvoltage detection | Yes |
| Overvoltage detection 1 phase | Yes |
| Overvoltage detection 3 phase | No |
| Overvoltage detection DC | Yes |
| undervoltage detection 1 phase | Yes |
| undervoltage detection 3 phases | No |
| undervoltage detection DC | Yes |
| Voltage window recognition 1 phase | Yes |
| Voltage window recognition 3 phase | No |
| Voltage window recognition DC | Yes |
| Adjustable open/closed-circuit current principle | Yes |
| External reset | Yes |
| Auto-reset | Yes |
| Control circuit/ Control |
| Control supply voltage at DC | |
| rated value | 18 ... 30 V |
| Operating range factor control supply voltage rated value at DC | |
| initial value | 0.75 |
| Full-scale value | 1.25 |
| Measuring circuit |
| Measurable line frequency | 500 ... 40 Hz |
| Adjustable response delay time | |
| when starting | 0 ... 999.9 s |
| with lower or upper limit violation | 0 ... 999.9 s |
| Accuracy of digital display | +/-1 digit |
| Relative temperature-related measurement deviation | 0.1 % |
| Precision |
| Relative metering precision | 5 % |
| Communication/ Protocol |
| Protocol is supported | |
| IO-Link protocol | Yes |
| IO-Link transfer rate | COM2 (38,4 kBaud) |
| Point-to-point cycle time between master and IO-Link device minimum | 10 ms |
| Type of voltage supply via input/output link master | Yes |
| Amount of data | |
| of the address area of the inputs with cyclical transfer total | 4 byte |
| of the address area of the outputs with cyclical transfer total | 2 byte |
| Auxiliary circuit |
| Number of CO contacts | |
| delayed switching | 1 |
| Operating frequency with 3RT2 contactor maximum | 5 000 1/h |
| Main circuit |
| Number of poles for main current circuit | 1 |
| Outputs |
| Operating current at 17 V minimum | 10 mA |
| Continuous current of the DIAZED fuse link of the output relay | 4 A |
| Electromagnetic compatibility |
| Conducted interference | |
| due to burst acc. to IEC 61000-4-4 | 2 kV |
| due to conductor-earth surge acc. to IEC 61000-4-5 | 2 kV |
| due to conductor-conductor surge acc. to IEC 61000-4-5 | 1 kV |
| Field-bound parasitic coupling acc. to IEC 61000-4-3 | 10 V/m |
| Electrostatic discharge acc. to IEC 61000-4-2 | 6 kV contact discharge / 8 kV air discharge |
| Galvanic isolation |
| Design of the electrical isolation | Safe isolation |
| Galvanic isolation | |
| between entrance and outlet | Yes |
| between the voltage supply and other circuits | Yes |
| Connections/Terminals |
| Product function | |
| removable terminal for auxiliary and control circuit | Yes |
| Type of electrical connection | screw-type terminals |
| Type of connectable conductor cross-sections | |
| solid | 1x (0.5 ... 4 mm2), 2x (0.5 ... 2.5 mm2) |
| finely stranded with core end processing | 1x (0.5 ... 2.5 mm2), 2x (0.5 ... 1.5 mm2) |
| at AWG conductors solid | 2x (20 ... 14) |
| at AWG conductors stranded | 2x (20 ... 14) |
| Connectable conductor cross-section | |
| solid | 0.5 ... 4 mm² |
| finely stranded with core end processing | 0.5 ... 2.5 mm² |
| AWG number as coded connectable conductor cross section | |
| solid | 20 ... 14 |
| stranded | 20 ... 14 |
| Tightening torque | |
| with screw-type terminals | 1.2 ... 0.8 N·m |
| Installation/ mounting/ dimensions |
| Mounting position | any |
| Mounting type | snap-on mounting |
| Height | 92 mm |
| Width | 22.5 mm |
| Depth | 91 mm |
| Required spacing | |
| with side-by-side mounting | |
| — forwards | 0 mm |
| — Backwards | 0 mm |
| — upwards | 0 mm |
| — downwards | 0 mm |
| — at the side | 0 mm |
| for grounded parts | |
| — forwards | 0 mm |
| — Backwards | 0 mm |
| — upwards | 0 mm |
| — at the side | 0 mm |
| — downwards | 0 mm |
| for live parts | |
| — forwards | 0 mm |
| — Backwards | 0 mm |
| — upwards | 0 mm |
| — at the side | 0 mm |
| Ambient conditions |
| Installation altitude at height above sea level | |
| maximum | 2 000 m |
| Ambient temperature | |
| during operation | -25 ... +60 °C |
| during storage | 85 ... -40 °C |
| during transport | 85 ... -40 °C |
