| Contactor, AC-1, 160 A/690 V/40 °C, S3, 3-pole, 20-33 V AC/DC, with varistor, 1 NO+1 NC, box terminal/screw terminal |
| product brand name | SIRIUS |
| product designation | Contactor |
| product type designation | 3RT24 |
| General technical data |
| size of contactor | S3 |
| product extension | |
| ● function module for communication | No |
| ● auxiliary switch | Yes |
| power loss [W] for rated value of the current | |
| ● at AC in hot operating state | 38.4 W |
| ● at AC in hot operating state per pole | 12.8 W |
| ● without load current share typical | 2.7 W |
| insulation voltage | |
| ● of main circuit with degree of pollution 3 rated value | 1 000 V |
| ● of auxiliary circuit with degree of pollution 3 rated value | 690 V |
| surge voltage resistance | |
| ● of main circuit rated value | 8 kV |
| ● of auxiliary circuit rated value | 6 kV |
| shock resistance at rectangular impulse | |
| ● at AC | 6.7 g / 5 ms, 4.0 g / 10 ms |
| ● at DC | 6.7 g / 5 ms, 4.0 g / 10 ms |
| shock resistance with sine pulse | |
| ● at AC | 10.6 g / 5 ms, 6.3 g / 10 ms |
| ● at DC | 10.6 g / 5 ms, 6.3 g / 10 ms |
| mechanical service life (switching cycles) | |
| ● of contactor typical | 10 000 000 |
| ● of the contactor with added electronically optimized auxiliary switch block typical | 5 000 000 |
| ● of the contactor with added auxiliary switch block typical | 10 000 000 |
| reference code according to IEC 81346-2 | Q |
| Substance Prohibitance (Date) | 04/28/2017 |
| Ambient conditions |
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature | |
| ● during operation | -25 ... +60 °C |
| ● during storage | -55 ... +80 °C |
| relative humidity minimum | 10 % |
| relative humidity at 55 °C according to IEC 60068-2-30 maximum | 95 % |
| Main circuit |
| number of poles for main current circuit | 3 |
| number of NO contacts for main contacts | 3 |
| number of NC contacts for main contacts | 0 |
| type of voltage for main current circuit | AC |
| operational current | |
| ● at AC-1 | |
| — up to 690 V at ambient temperature 40 °C rated value | 160 A |
| — up to 690 V at ambient temperature 55 °C rated value | 140 A |
| — up to 690 V at ambient temperature 60 °C rated value | 140 A |
| — up to 1000 V at ambient temperature 40 °C rated value | 80 A |
| — up to 1000 V at ambient temperature 60 °C rated value | 80 A |
| ● at AC-3 | |
| — at 400 V rated value | 44 A |
| — at 690 V rated value | 44 A |
| minimum cross-section in main circuit at maximum AC-1 rated value | 70 mm² |
| no-load switching frequency | |
| ● at AC | 1 000 1/h |
| ● at DC | 1 000 1/h |
| operating frequency at AC-1 maximum | 650 1/h |
| Control circuit/ Control |
| type of voltage | AC/DC |
| type of voltage of the control supply voltage | AC/DC |
| control supply voltage at AC | |
| ● at 50 Hz rated value | 20 ... 33 V |
| ● at 60 Hz rated value | 20 ... 33 V |
| control supply voltage at DC | |
| ● rated value | 20 ... 33 V |
| operating range factor control supply voltage rated value of magnet coil at DC | |
| ● initial value | 0.8 |
| ● full-scale value | 1.1 |
| operating range factor control supply voltage rated value of magnet coil at AC | |
| ● at 50 Hz | 0.8 ... 1.1 |
| ● at 60 Hz | 0.8 ... 1.1 |
| design of the surge suppressor | with varistor |
| inrush current peak | 6.5 A |
| duration of inrush current peak | 50 µs |
| locked-rotor current mean value | 3.2 A |
| locked-rotor current peak | 6.5 A |
| duration of locked-rotor current | 150 ms |
| holding current mean value | 75 mA |
| apparent pick-up power of magnet coil at AC | |
| ● at 50 Hz | 163 VA |
| ● at 60 Hz | 163 VA |
| apparent holding power of magnet coil at AC | |
| ● at 50 Hz | 3.5 VA |
| ● at 60 Hz | 3.5 VA |
| closing power of magnet coil at DC | 76 W |
| holding power of magnet coil at DC | 2.7 W |
| closing delay | |
| ● at AC | 50 ... 70 ms |
| ● at DC | 50 ... 70 ms |
| opening delay | |
| ● at AC | 38 ... 57 ms |
| ● at DC | 38 ... 57 ms |
| arcing time | 10 ... 20 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
| Auxiliary circuit |
| number of NC contacts for auxiliary contacts | 1 |
| ● attachable | 2 |
| ● instantaneous contact | 1 |
| number of NO contacts for auxiliary contacts | 1 |
| ● attachable | 2 |
| ● instantaneous contact | 1 |
| operational current at AC-12 maximum | 10 A |
| operational current at AC-15 | |
| ● at 230 V rated value | 6 A |
| ● at 400 V rated value | 3 A |
| ● at 500 V rated value | 2 A |
| ● at 690 V rated value | 1 A |
| operational current at DC-13 | |
| ● at 24 V rated value | 10 A |
| ● at 48 V rated value | 2 A |
| ● at 60 V rated value | 2 A |
| ● at 110 V rated value | 1 A |
| ● at 125 V rated value | 0.9 A |
| ● at 220 V rated value | 0.3 A |
| ● at 600 V rated value | 0.1 A |
| design of the miniature circuit breaker for short-circuit protection of the auxiliary switch required | gG: 10 A (230 V, 400 A) |
| contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) |
| Short-circuit protection |
| product function short circuit protection | No |
| design of the fuse link | |
| ● for short-circuit protection of the main circuit | |
| — with type of coordination 1 required | gG: 250 A (690 V,100 kA) |
| — with type of assignment 2 required | gR: 250 A (690 V, 100 kA) |
| ● for short-circuit protection of the auxiliary switch required | gG: 10 A (500 V, 1 kA) |
| Installation/ mounting/ dimensions |
| mounting position | +/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface |
| fastening method | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| ● side-by-side mounting | Yes |
| height | 140 mm |
| width | 70 mm |
| depth | 152 mm |
| required spacing | |
| ● with side-by-side mounting | |
| — forwards | 20 mm |
| — upwards | 10 mm |
| — downwards | 10 mm |
| — at the side | 0 mm |
| ● for grounded parts | |
| — forwards | 20 mm |
| — upwards | 10 mm |
| — at the side | 10 mm |
| — downwards | 10 mm |
| ● for live parts | |
| — forwards | 20 mm |
| — upwards | 10 mm |
| — downwards | 10 mm |
| — at the side | 10 mm |
| Connections/ Terminals |
| type of electrical connection | |
| ● for main current circuit | box terminal |
| ● for auxiliary and control circuit | screw-type terminals |
| ● at contactor for auxiliary contacts | Screw-type terminals |
| ● of magnet coil | Screw-type terminals |
| type of connectable conductor cross-sections | |
| ● for main contacts | |
| — solid | 2x (2.5 ... 16 mm²) |
| — stranded | 2x (2,5 ... 16 mm²), 2x (10 ... 50 mm²), 1x (10 ... 70 mm²) |
| — solid or stranded | 2x (2.5 ... 16 mm²), 2x (10 ... 50 mm²), 1x (10 ... 70 mm²) |
| — finely stranded with core end processing | 2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
| ● at AWG cables for main contacts | 2x (10 ... 1/0), 1x (10 ... 2) |
| connectable conductor cross-section for main contacts | |
| ● solid | 2.5 ... 16 mm² |
| ● solid or stranded | 4 ... 70 mm² |
| ● stranded | 6 ... 70 mm² |
| ● finely stranded with core end processing | 2.5 ... 50 mm² |
| connectable conductor cross-section for auxiliary contacts | |
| ● solid or stranded | 0.5 ... 2.5 mm² |
| ● finely stranded with core end processing | 0.5 ... 2.5 mm² |
| type of connectable conductor cross-sections | |
| ● for auxiliary contacts | |
| — solid | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| — solid or stranded | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| — finely stranded with core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| ● at AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14) |
| Safety related data |
| product function | |
| ● mirror contact according to IEC 60947-4-1 | Yes |
| ● positively driven operation according to IEC 60947-5-1 | No |
| proportion of dangerous failures | |
| ● with low demand rate according to SN 31920 | 40 % |
| ● with high demand rate according to SN 31920 | 73 % |
| protection class IP on the front according to IEC 60529 | IP20 |
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
| Certificates/ approvals |
Downloads and manuals |
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| Further information |
Information- and Downloadcenter (Catalogs, Brochures,…) |
Industry Mall (Online ordering system) |
Cax online generator |
Service&Support (Manuals, Certificates, Characteristics, FAQs,...) |
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) |
Characteristic: Tripping characteristics, I²t, Let-through current |
Further characteristics (e.g. electrical endurance, switching frequency) |
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| last modified: | 3/15/2022 |
Date
5/10/2022 | Subject to change without notice
© Copyright Siemens 2022 |
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