| Circuit breaker size S3 for motor protection CLASS 10 with overload relay function A-release 45...63 A N-release 819 A screw terminal Increased switching capacity 100 kA |
| product brand name | SIRIUS |
| product designation | Circuit breaker |
| design of the product | For motor protection with overload relay function |
| product type designation | 3RV2 |
| General technical data |
| size of the circuit-breaker | S3 |
| size of contactor can be combined company-specific | S3 |
| product extension auxiliary switch | Yes |
| power loss [W] for rated value of the current | |
| ● at AC in hot operating state | 34 W |
| ● at AC in hot operating state per pole | 11.3 W |
| insulation voltage with degree of pollution 3 at AC rated value | 1 000 V |
| surge voltage resistance rated value | 8 kV |
| maximum permissible voltage for safe isolation in networks with grounded star point | |
| ● between main and auxiliary circuit | 400 V |
| ● between main and auxiliary circuit | 400 V |
| shock resistance according to IEC 60068-2-27 | 25g / 11 ms Sinus |
| mechanical service life (switching cycles) | |
| ● of the main contacts typical | 25 000 |
| ● of auxiliary contacts typical | 25 000 |
| electrical endurance (switching cycles) typical | 25 000 |
| reference code according to IEC 81346-2 | Q |
| Substance Prohibitance (Date) | 03/01/2017 |
| Ambient conditions |
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature | |
| ● during operation | -20 ... +60 °C |
| ● during storage | -50 ... +80 °C |
| ● during transport | -50 ... +80 °C |
| temperature compensation | -20 ... +60 °C |
| relative humidity during operation | 10 ... 95 % |
| Main circuit |
| number of poles for main current circuit | 3 |
| adjustable current response value current of the current-dependent overload release | 45 ... 63 A |
| operating voltage | |
| ● rated value | 690 V |
| ● rated value | 20 ... 690 V |
| ● at AC-3 rated value maximum | 690 V |
| operating frequency rated value | 50 ... 60 Hz |
| operational current rated value | 63 A |
| operational current | |
| ● at AC-3 at 400 V rated value | 63 A |
| operating power | |
| ● at AC-3 | |
| — at 230 V rated value | 18.5 kW |
| — at 400 V rated value | 30 kW |
| — at 500 V rated value | 37 kW |
| — at 690 V rated value | 55 kW |
| operating frequency | |
| ● at AC-3 maximum | 15 1/h |
| Auxiliary circuit |
| number of NC contacts for auxiliary contacts | |
| ● note | 1 |
| number of NO contacts for auxiliary contacts | |
| ● note | 1 |
| Protective and monitoring functions |
| product function | |
| ● ground fault detection | No |
| ● phase failure detection | Yes |
| trip class | CLASS 10 |
| design of the overload release | thermal |
| breaking capacity operating short-circuit current (Ics) at AC | |
| ● at 240 V rated value | 100 kA |
| ● at 400 V rated value | 50 kA |
| ● at 500 V rated value | 7.5 kA |
| ● at 690 V rated value | 4 kA |
| breaking capacity maximum short-circuit current (Icu) | |
| ● at AC at 240 V rated value | 100 kA |
| ● at AC at 400 V rated value | 100 kA |
| ● at AC at 500 V rated value | 15 kA |
| ● at AC at 690 V rated value | 7.5 kA |
| response value current of instantaneous short-circuit trip unit | 819 A |
| UL/CSA ratings |
| full-load current (FLA) for 3-phase AC motor | |
| ● at 480 V rated value | 63 A |
| ● at 600 V rated value | 63 A |
| yielded mechanical performance [hp] | |
| ● for single-phase AC motor | |
| — at 110/120 V rated value | 5 hp |
| — at 230 V rated value | 15 hp |
| ● for 3-phase AC motor | |
| — at 200/208 V rated value | 20 hp |
| — at 220/230 V rated value | 25 hp |
| — at 460/480 V rated value | 50 hp |
| — at 575/600 V rated value | 60 hp |
| Short-circuit protection |
| product function short circuit protection | Yes |
| design of the short-circuit trip | magnetic |
| Installation/ mounting/ dimensions |
| mounting position | any |
| fastening method | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| height | 165 mm |
| width | 90 mm |
| depth | 176 mm |
| required spacing | |
| ● for grounded parts at 400 V | |
| — downwards | 70 mm |
| — upwards | 70 mm |
| — at the side | 10 mm |
| ● for live parts at 400 V | |
| — downwards | 70 mm |
| — upwards | 70 mm |
| — at the side | 10 mm |
| ● for grounded parts at 500 V | |
| — downwards | 110 mm |
| — upwards | 110 mm |
| — at the side | 10 mm |
| ● for live parts at 500 V | |
| — downwards | 110 mm |
| — upwards | 110 mm |
| — at the side | 10 mm |
| ● for grounded parts at 690 V | |
| — downwards | 150 mm |
| — upwards | 150 mm |
| — backwards | 0 mm |
| — at the side | 30 mm |
| — forwards | 0 mm |
| ● for live parts at 690 V | |
| — downwards | 150 mm |
| — upwards | 150 mm |
| — backwards | 0 mm |
| — at the side | 30 mm |
| — forwards | 0 mm |
| Connections/ Terminals |
| product component removable terminal for auxiliary and control circuit | No |
| type of electrical connection | |
| ● for main current circuit | screw-type terminals |
| ● for auxiliary and control circuit | screw-type terminals |
| arrangement of electrical connectors for main current circuit | Top and bottom |
| type of connectable conductor cross-sections | |
| ● for main contacts | |
| — solid | 2x (2.5 ... 16 mm²) |
| — solid or stranded | 2x (2,5 ... 50 mm²), 1x (10 ... 70 mm²) |
| — finely stranded with core end processing | 2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
| — finely stranded without core end processing | 2x (10 ... 35 mm²), 1x (10 ... 50 mm²) |
| type of connectable conductor cross-sections | |
| ● for auxiliary contacts | |
| — 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) |
| tightening torque | |
| ● for main contacts for ring cable lug | 4.5 ... 6 N·m |
| outer diameter of the usable ring cable lug maximum | 19 mm |
| tightening torque | |
| ● for main contacts with screw-type terminals | 4.5 ... 6 N·m |
| ● for auxiliary contacts with screw-type terminals | 0.8 ... 1.2 N·m |
| design of the thread of the connection screw | |
| ● of the auxiliary and control contacts | M3 |
| Safety related data |
| B10 value | |
| ● with high demand rate according to SN 31920 | 5 000 |
| proportion of dangerous failures | |
| ● with low demand rate according to SN 31920 | 50 % |
| ● with high demand rate according to SN 31920 | 50 % |
| 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 |
| display version for switching status | Handle |
| 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: | 10/11/2021 |
Date 5/12/2022 | Subject to change without notice © Copyright Siemens 2022 |