| Load feeder fuseless, Direct-on-line starting 400 V AC, Size S2 32...40 A 230 V AC, 50 Hz screw terminal for installation on standard mounting rail (also fulfills type of coordination 1) Type of coordination 2, Iq = 100 kA 1 NO+1 NC (contactor) |
| Product brand name | SIRIUS |
| Product designation | Direct (on-line) starter |
| Design of the product | for standard rail or screw mounting |
| Product type designation | 3RA21 |
| Manufacturer's article number | |
| of the supplied contactor | |
| of the supplied circuit-breakers | |
| of the supplied link module | |
| General technical data |
| Size of the circuit-breaker | S2 |
| Size of load feeder | S2 |
| Insulation voltage | |
| with degree of pollution 3 rated value | 690 V |
| Surge voltage resistance rated value | 6 kV |
| Protection class IP | |
| on the front | IP20 |
| of the terminal | IP00 |
| Shock resistance | |
| acc. to IEC 60068-2-27 | 6g / 11 ms |
| Mechanical service life (switching cycles) | |
| of contactor typical | 10 000 000 |
| Type of assignment | 2 |
| Protection against electrical shock | finger-safe when touched vertically from front acc. to IEC 60529 |
| Ambient conditions |
| Temperature compensation | -20 ... +60 °C |
| Relative humidity during operation | 10 ... 95 % |
| Main circuit |
| Number of poles for main current circuit | 3 |
| Design of the switching contact | electromechanical |
| Adjustable pick-up value current of the current-dependent overload release | 32 ... 40 A |
| Operating voltage | |
| rated value | 690 V |
| at AC-3 rated value maximum | 690 V |
| Operating frequency rated value | 50 ... 60 Hz |
| Operating current | |
| at AC-3 | |
| — at 400 V rated value | 35 A |
| Operating power | |
| at AC-3 | |
| — at 230 V rated value | 11 000 W |
| — at 400 V rated value | 18 500 W |
| Control circuit/ Control |
| Type of voltage of the control supply voltage | AC |
| Control supply voltage at AC | |
| at 50 Hz rated value | 230 V |
| Apparent holding power of magnet coil at AC | 16 V·A |
| Inductive power factor with the holding power of the coil | 0.37 |
| Auxiliary circuit |
| Product extension Auxiliary switch | Yes |
| Protective and monitoring functions |
| Trip class | CLASS 10 |
| Design of the overload release | thermal (bimetallic) |
| Response value current | |
| of instantaneous short-circuit trip unit | 585 A |
| Short-circuit protection |
| Product function Short circuit protection | Yes |
| Design of the short-circuit trip | magnetic |
| Conditional short-circuit current (Iq) | |
| at 400 V acc. to IEC 60947-4-1 rated value | 100 000 A |
| Installation/ mounting/ dimensions |
| Mounting position | vertical, horizontal |
| |
| (mounting type) | Screw-fixing and snap-on mounting to two 35 mm standard mounting rails |
| Height | 274 mm |
| Width | 55 mm |
| Depth | 150 mm |
| Required spacing | |
| for grounded parts | |
| — forwards | 32 mm |
| — Backwards | 0 mm |
| — upwards | 50 mm |
| — at the side | 10 mm |
| — downwards | 10 mm |
| for live parts | |
| — forwards | 32 mm |
| — Backwards | 0 mm |
| — upwards | 50 mm |
| — downwards | 10 mm |
| — at the side | 10 mm |
| Connections/Terminals |
| Type of electrical connection | |
| for main current circuit | screw-type terminals |
