
Siemens 3RV2742-5QD10
Circuit breaker size S3 for system protection with approval circuit breaker UL 489
- MPN
- 3RV2742-5QD10
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What is the Siemens 3RV2742-5QD10?
Circuit breaker size S3 for system protection with approval circuit breaker UL 489, CSA C22.2 No.5-02 A-release 70 A N-release 910 A screw terminal
Specifications
General
| product brand name | SIRIUS |
| product designation | Circuit breaker |
| design of the product | For system protection according to UL 489/CSA C22.2 No. 5 |
| product type designation | 3RV2 |
General technical data
| Product equipment of circuit breaker for motor protection complete unit with protection device | Yes |
| size of the circuit-breaker | S3 |
| product function disconnector functionality | Yes |
| product extension auxiliary switch | Yes |
| power loss [W] for rated value of the current — at AC in hot operating state | 23.5 W |
| power loss [W] for rated value of the current — at AC in hot operating state per pole | 7.8 W |
| type of calculation of power loss current-dependent | quadratic |
| 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 protective separation — in networks with ungrounded star point between main and auxiliary circuit | 400 V |
| maximum permissible voltage for protective separation — in networks with grounded star point between main and auxiliary circuit | 400 V |
| protection class IP — on the front according to IEC 60529 | IP20 |
| protection class IP — on the front | IP20 |
| protection class IP — of the terminal | IP00 |
| shock resistance according to IEC 60068-2-27 | 25 g / 11 ms (rectangular impulse and sine pulse) |
| mechanical service life (operating cycles) — of the main contacts typical | 25 000 |
| mechanical service life (operating cycles) — of auxiliary contacts typical | 25 000 |
| electrical endurance (operating cycles) typical | 25 000 |
| reference code according to IEC 81346-2 | Q |
| continuous current rated value | 70 A |
| Substance Prohibitance (day/month/year) | 03/01/2017 |
| SVHC substance name | Lead CAS-No. 7439-92-1 |
| Net Weight | 2.226 kg |
Ambient conditions
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature — during operation | -20 ... +60 °C |
| ambient temperature — during storage | -50 ... +80 °C |
| ambient temperature — 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 |
| type of voltage for main current circuit | AC |
| operating voltage — rated value | 600 V |
| operating voltage — rated value | 20 ... 600 V |
| operating frequency rated value | 50 ... 60 Hz |
| operational current rated value | 70 A |
Auxiliary circuit
| type of voltage for auxiliary and control circuit | AC/DC |
| number of NC contacts for auxiliary contacts | 0 |
| number of NO contacts for auxiliary contacts | 0 |
| number of CO contacts for auxiliary contacts | 0 |
Protective and monitoring functions
| product function — ground fault detection | No |
| product function — phase failure detection | No |
| design of the overload release | thermal |
| protection function thermal overload protection (ANSI 49) | Yes |
| maximum short-circuit current breaking capacity (Icu) — at AC at 240 V rated value | 100 kA |
| maximum short-circuit current breaking capacity (Icu) — at AC at 400 V rated value | 100 kA |
| maximum short-circuit current breaking capacity (Icu) — at 480 AC Y/277 V according to UL 489 rated value | 65 kA |
| operating short-circuit current breaking capacity (Ics) at AC — at 240 V rated value | 100 kA |
| operating short-circuit current breaking capacity (Ics) at AC — at 400 V rated value | 50 kA |
| response value current of instantaneous short-circuit trip unit | 910 A |
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 DIN rail according to DIN EN 60715 |
| Mounting method of circuit breaker for Transformer protection, Generator protection and system protection optional standard bar mounting | Yes |
| height | 170 mm |
| width | 70 mm |
| depth | 176 mm |
| required spacing — for grounded parts at 400 V — downwards | 90 mm |
| required spacing — for grounded parts at 400 V — upwards | 90 mm |
| required spacing — for grounded parts at 400 V — at the side | 10 mm |
| required spacing — for live parts at 400 V — downwards | 90 mm |
| required spacing — for live parts at 400 V — upwards | 90 mm |
| required spacing — for live parts at 400 V — at the side | 10 mm |
Connections/ Terminals
| product component removable terminal for auxiliary and control circuit | No |
| type of electrical connection — for main current 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) |
| type of connectable conductor cross-sections — for main contacts — solid or stranded | 2x (2,5 ... 50 mm²), 1x (10 ... 70 mm²) |
| type of connectable conductor cross-sections — for main contacts — finely stranded with core end processing | 2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
| type of connectable conductor cross-sections — for main contacts — finely stranded without core end processing | 2x (10 ... 35 mm²), 1x (10 ... 50 mm²) |
| type of connectable conductor cross-sections — for AWG cables for main contacts | 4 |
| type of connectable conductor cross-sections — for AWG cables for main contacts for box terminal using the front clamping point | 4 |
| connectable conductor cross-section for main contacts — finely stranded with core end processing | 2.5 ... 50 mm² |
| connectable conductor cross-section for main contacts — finely stranded without core end processing | 10 ... 50 mm² |
| AWG number as coded connectable conductor cross section for main contacts | 4 |
| tightening torque — for main contacts with screw-type terminals | 4.5 ... 6 N·m |
| design of screwdriver shaft | Hexagonal socket |
| size of the screwdriver tip | 4 mm |
| design of the thread of the connection screw — for main contacts | M8 |
Safety related data
| product function suitable for safety function | Yes |
| suitability for use — safety-related switching on | No |
| suitability for use — safety-related switching OFF | Yes |
| service life maximum | 10 a |
| test wear-related service life necessary | Yes |
| proportion of dangerous failures — with low demand rate according to SN 31920 | 40 % |
| proportion of dangerous failures — with high demand rate according to SN 31920 | 50 % |
| B10 value with high demand rate according to SN 31920 | 5 000 |
| failure rate [FIT] with low demand rate according to SN 31920 | 50 FIT |
| device type according to ISO 13849-1 | 3 |
| overdimensioning according to ISO 13849-2 necessary | Yes |
| safety device type according to IEC 61508-2 | Type A |
| T1 value — for proof test interval or service life according to IEC 61508 | 10 a |
| 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
| display version for switching status | Handle |
Approvals Certificates
| global warming potential [CO2 eq] / during manufacturing | 18.5 kg |
| global warming potential [CO2 eq] / during sales | 1.24 kg |
| global warming potential [CO2 eq] / during operation | 265 kg |
| global warming potential [CO2 eq] / after end of life | -1.5 kg |
| global warming potential [CO2 eq] / total | 283.24 kg |
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Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
3RV2742-5QD10: frequently asked questions
When can 3RV2742-5QD10 be shipped?
3RV2742-5QD10 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 3RV2742-5QD10 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 3RV2742-5QD10 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3RV2742-5QD10, subject to availability and destination.
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