| Separation amplifier Loop power isolator, 1-channel input: 4-20 mA output: 4-20 mA Width 6.2 mm screw terminal |
| Product brand name | SIRIUS |
| Product category | Signal converter |
| Product designation | Single-range converters |
| Design of the product | passive |
| Product type designation | 3RS70 |
| General technical data |
| Display version LED | No |
| Number of channels | 1 |
| Insulation voltage | |
| for overvoltage category III according to IEC 60664 | |
| — with degree of pollution 3 rated value | 50 V |
| Voltage drop at operating resource | 4.1 V |
| Surge voltage resistance rated value | 1 500 V |
| Protection class IP | IP20 |
| Shock resistance | |
| acc. to IEC 60068-2-27 | sinusoidal half-wave 15g / 11 ms |
| Reference code acc. to DIN EN 81346-2 | T |
| Reference code acc. to DIN EN 61346-2 | K |
| Precision |
| Relative metering precision | 0.1 % |
| Temperature drift per °C | 0.015 %/°C |
| Voltage ripple maximum | 5 mV |
| Settling time for 1 % deviation | 6 ms |
| Inputs/ Outputs |
| Input voltage | 30 V |
| Property of the output Short-circuit proof | No |
| Type of signal at input | 4 ... 20 mA |
| Type of signal at output | 4 ... 20 mA |
| Input impedance of current input maximum | 100 Ω |
| Outputs |
| Load | |
| at the current output maximum | 1 000 Ω |
| Influence of the load on measuring accuracy | 0.06 %/100 Ω |
| Electromagnetic compatibility |
| EMC emitted interference | |
| acc. to IEC 60947-1 | Environment B |
| EMI immunity | |
| acc. to IEC 60947-1 | corresponds to degree of severity 3 |
| Conducted interference | |
| due to burst acc. to IEC 61000-4-4 | 1 kV 5/50 ns |
| 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 | 2 paths |
| Galvanic isolation | |
| between entrance and outlet | Yes |
| between the outputs | No |
| between the inputs | No |
| between the voltage supply and other circuits | No |
| Connections/Terminals |
| Type of electrical connection | screw-type terminals |
| Type of connectable conductor cross-sections | |
| solid | 1x (0.25 ... 2.5 mm²) |
| finely stranded with core end processing | 1x (0.25 ... 1.5 mm²) |
| at AWG conductors solid | 1 x (20 ... 14) |
| Connectable conductor cross-section | |
| solid | 0.25 ... 2.5 mm² |
| finely stranded with core end processing | 0.25 ... 1.5 mm² |
| AWG number as coded connectable conductor cross section | |
| solid | 20 ... 14 |
| Tightening torque | |
| with screw-type terminals | 0.5 ... 0.6 N·m |
| Installation/ mounting/ dimensions |
| Mounting position | any |
| Mounting type | snap-on mounting |
| Height | 93 mm |
| Width | 6.2 mm |
| Depth | 71 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 |
| — downwards | 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 | -40 ... +80 °C |
| during transport | -40 ... +80 °C |
| Relative humidity | |
| during operation | 10 ... 95 % |
