| Coupling relays in industrial enclosure 2 change-over contacts Wide voltage range 24 V to 240 V AC/DC screw terminal |
| Product brand name | SIRIUS |
| Product designation | Coupling relay in industrial enclosure |
| Product type designation | 3RQ2 |
| General technical data |
| Consumed active power | 4.5 W |
| Insulation voltage | |
| for overvoltage category III according to IEC 60664 | |
| — with degree of pollution 3 rated value | 300 V |
| Degree of pollution | 3 |
| Surge voltage resistance rated value | 4 kV |
| maximum permissible voltage for safe isolation | |
| between auxiliary and auxiliary circuit | 300 V |
| between control and auxiliary circuit acc. to IEC 60947-1 | 300 V |
| Protection class IP | IP20 |
| Shock resistance | |
| acc. to IEC 60068-2-27 | 11g / 15 ms |
| for railway applications acc. to DIN EN 61373 | Category 1, Class B |
| Switching behavior | monostable |
| Mechanical service life (switching cycles) | |
| typical | 10 000 000 |
| 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 |
| Control circuit/ Control |
| Control supply voltage 1 at AC | |
| at 50 Hz | 24 ... 240 V |
| at 60 Hz | 24 ... 240 V |
| Control supply voltage 1 | |
| at DC | 24 ... 240 V |
| Operating range factor control supply voltage rated value at DC | |
| initial value | 0.7 |
| Full-scale value | 1.1 |
| Operating range factor control supply voltage rated value at AC at 50 Hz | |
| initial value | 0.7 |
| Full-scale value | 1.1 |
| Operating range factor control supply voltage rated value at AC at 60 Hz | |
| initial value | 0.7 |
| Full-scale value | 1.1 |
| Switch-on delay time | |
| at AC maximum | 10 ms |
| at DC maximum | 10 ms |
| Off-delay time | 100 ms |
| Design of the relay operating mechanism | poled |
| Product component Plug-in socket | No |
| Short-circuit protection |
| Design of the fuse link | |
| for short-circuit protection of the auxiliary switch required | fuse gL/gG: 6 A |
| Auxiliary circuit |
| Material of switching contacts | AgSnO2 |
| Number of NC contacts for auxiliary contacts | 0 |
| Number of NO contacts for auxiliary contacts | 0 |
| Number of CO contacts | |
| for auxiliary contacts | 2 |
| Contact reliability of auxiliary contacts | one incorrect switching operation of 100 million switching operations (17 V, 5 mA) |
| Type of voltage | AC/DC |
| Outputs |
| Ampacity of the output relay at AC-15 | |
| at 24 V at 50/60 Hz | 3 A |
| at 110 V at 50/60 Hz | 3 A |
| at 250 V at 50/60 Hz | 3 A |
| Ampacity of the output relay at DC-13 | |
| at 24 V | 1 A |
| at 125 V | 0.2 A |
| at 250 V | 0.1 A |
| Electromagnetic compatibility |
| EMC emitted interference | |
| acc. to IEC 60947-1 | ambience A (industrial sector) |
| EMI immunity | |
| acc. to IEC 60947-1 | corresponds to degree of severity 3 |
| 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 (line to ground) |
| due to conductor-conductor surge acc. to IEC 61000-4-5 | 1 kV (line to line) |
| Field-bound parasitic coupling acc. to IEC 61000-4-3 | 10 V/m |
| Electrostatic discharge acc. to IEC 61000-4-2 | 4 kV contact discharge / 8 kV air discharge |
| Safety related data |
| Electromagnetic compatibility | IEC 60947-1 / IEC 61000-6-2 / IEC 61000-6-4 |
| 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 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²) |
| finely stranded with core end processing | 1x (0.5 ... 4 mm²), 2x (0.5 ... 1.5 mm²) |
| at AWG conductors solid | 1x (20 ... 12), 2x (20 ... 14) |
| Connectable conductor cross-section | |
| solid | 0.5 ... 4 mm² |
| finely stranded with core end processing | 4 mm² |
| finely stranded without core end processing | 0.5 mm² |
| AWG number as coded connectable conductor cross section | |
| solid | 12 ... 20 |
| stranded | 12 ... 20 |
| Tightening torque | |
| with screw-type terminals | 0.6 ... 0.8 N·m |
| Wire stripping length of the cable | |
| for auxiliary and control contacts | 10 mm |
| Installation/ mounting/ dimensions |
| Mounting position | any |
| Mounting type | screw and snap-on mounting onto 35 mm standard mounting rail |
| Height | 100 mm |
| Width | 22.5 mm |
| Depth | 90 mm |
| Ambient conditions |
| Installation altitude at height above sea level | |
| maximum | 2 000 m |
| Ambient temperature | |
| during operation | -40 ... +60 °C |
| during storage | -40 ... +80 °C |
| during transport | -40 ... +80 °C |
| Relative humidity | |
| during operation | 10 ... 95 % |
