| Solid-state contactor 3-phase 3RF2 AC 51 / 20 A / 40 °C 48-600 V / 4-30 V DC 2-phase controlled Spring-type terminal Blocking voltage 1200 V |
| General technical data |
| Product brand name | | SIRIUS |
| Product designation | | solid-state contactor |
| Product function | | zero-point switching |
| Number of poles for main current circuit | | 3 |
| Protection class IP | | IP20 |
| Product designation _2 of the accessories that can be ordered | | converter |
| Manufacturer's article number _2 of the accessories that can be ordered | | |
| Ambient temperature | | |
| during operation | °C | -25 ... +60 |
| during storage | °C | -55 ... +80 |
| Installation altitude at height above sea level maximum | m | 1 000 |
| Vibration resistance acc. to IEC 60068-2-6 | | 2g |
| Shock resistance acc. to IEC 60068-2-27 | | 15g / 11 ms |
| Reference code acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750 | | K |
| Reference code acc. to DIN EN 61346-2 | | Q |
| Number of NC contacts for auxiliary contacts | | 0 |
| Number of NO contacts for auxiliary contacts | | 0 |
| Number of CO contacts for auxiliary contacts | | 0 |
| Main circuit |
| Number of NO contacts for main contacts | | 2 |
| Number of NC contacts for main contacts | | 0 |
| Operating current | | |
| minimum | mA | 500 |
| at AC-51 rated value | A | 22 |
| at AC-51 acc. to IEC 60947-4-3 | A | 15 |
| Derating temperature | °C | 40 |
| Power loss [W] total typical | W | 44 |
| Reverse current of the thyristor | mA | 10 |
| Surge current resistance rated value | A | 600 |
| I2t value maximum | A²·s | 1 800 |
| Operating voltage at AC | | |
| at 50 Hz rated value | V | 48 ... 600 |
| at 60 Hz rated value | V | 48 ... 600 |
| Operating range relative to the operating voltage at AC | | |
| at 50 Hz | V | 40 ... 660 |
| at 60 Hz | V | 40 ... 660 |
| Operating frequency rated value | Hz | 50 ... 60 |
| Relative symmetrical tolerance of the operating frequency | % | 10 |
| Insulation voltage rated value | V | 600 |
| Rate of voltage rise at the thyristor for main contacts maximum permissible | V/µs | 1 000 |
| Blocking voltage at the thyristor for main contacts maximum permissible | V | 1 200 |
| Short-circuit protection, design of the fuse link | | |
| Control circuit/ Control |
| Type of voltage of the control supply voltage | | DC |
| Control supply voltage 1 | | |
| at DC | V | 4 ... 30 |
| Control supply voltage | | |
| at DC initial value for signal <1> detection | V | 4 |
| at DC Full-scale value for signal<0> recognition | V | 1 |
| Symmetrical line frequency tolerance | Hz | 5 |
| Control current | | |
| at minimum control supply voltage | | |
| — at DC | mA | 22 |
| at DC rated value | mA | 30 |
| Installation/ mounting/ dimensions |
| Mounting type | | screw and snap-on mounting onto 35 mm standard mounting rail |
| Mounting type Side-by-side mounting | | Yes |
| Design of the thread of the screw for securing the equipment | | M4 |
| Tightening torque of the screw for securing the equipment | N·m | 1.5 |
| Width | mm | 67.5 |
| Height | mm | 100 |
| Depth | mm | 112.5 |
| Connections/Terminals |
| Type of electrical connection for main current circuit | | spring-loaded terminals |
| Type of connectable conductor cross-sections | | |
| for main contacts | | |
| — solid | | 2x (0.5 ... 2.5 mm²) |
| — finely stranded | | |
| — with core end processing | | 2x (0.5 ... 1.5 mm²) |
| — without core end processing | | 2x (0.5 ... 2.5 mm²) |
| at AWG conductors | | |
| — for main contacts | | 2x (18 ... 14) |
| — for auxiliary and control contacts | | 1x (AWG 20 ... 12) |
| for auxiliary and control contacts | | |
| — solid | | 0.5 ... 1.5 mm² |
| — finely stranded | | |
| — with core end processing | | 0.5 ... 2.5 mm² |
| — without core end processing | | 0.5 ... 2.5 mm² |
| Connectable conductor cross-section | | |
| for main contacts | | |
| — single or multi-stranded | mm² | 0.5 ... 2.5 |
| — finely stranded | | |
| — with core end processing | mm² | 0.5 ... 1.5 |
| — without core end processing | mm² | 0.5 ... 2.5 |
| for auxiliary and control contacts | | |
| — solid | mm² | 0.5 ... 1.5 |
| — finely stranded | | |
| — with core end processing | mm² | 0.5 ... 2.5 |
| — without core end processing | mm² | 0.5 ... 2.5 |
| AWG number as coded connectable conductor cross section | | |
| for main contacts | | 14 ... 10 |
| for auxiliary and control contacts | | 20 ... 12 |
| Type of electrical connection for auxiliary and control current circuit | | spring-loaded terminals |
| Wire stripping length of the cable | | |
| for main contacts | mm | 10 |
| for auxiliary and control contacts | mm | 10 |
