Siemens 3RT2015-1BB42 Power Contactor 7A, 3 kW, 3-Pole, 24V DC, AC-3/AC-3e Original Brand New
$33.00
High-performance SIRIUS power contactor (Size S00) for motor switching up to 3 kW (7 A). It features a low-consumption 24 V DC coil, integrated 1 NC auxiliary contact, and secure screw terminals. Ideal for reliable and efficient industrial control applications.
Availability: In stock
Overview
The Siemens SIRIUS 3RT2015-1BB42 is a compact, high-performance power contactor designed for switching motors up to 3 kW (400 V). Belonging to the proven SIRIUS line, this size S00 contactor is engineered for industrial reliability and efficiency. It features a 24 V DC operating coil, ensuring low power consumption and reliable switching in modern control systems. The inclusion of an integrated 1 NC (Normally Closed) auxiliary contact and secure screw terminals makes installation straightforward and reduces wiring time.
Key Features & Function
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Rated current: 7 A (AC-3/AC-3e)
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Motor control capacity: 3 kW at 400 V
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Poles: 3-pole configuration for robust performance
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Coil voltage: 24 V DC for precise control
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Auxiliary contacts: 1 NC (Normally Closed) for extended functionality
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Terminal type: Screw terminals for secure wiring
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Size: S00, compact and space-saving
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Durability: High-quality Siemens engineering for long-term reliability
Benefit
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Energy Efficient: The 24 V DC coil offers significantly lower holding power consumption compared to AC coils, reducing operating costs.
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Space-Saving Design: The compact Size S00 footprint allows for high-density mounting in control cabinets.
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High Reliability: Rated for AC-3e/AC-3 operation, guaranteeing long electrical and mechanical life under typical industrial load conditions.
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Simple Integration: Pre-fitted 1 NC auxiliary contact for immediate feedback or interlocking circuit integration.
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Secure Connection: Robust screw terminals ensure a strong, vibration-resistant connection for all power and control wiring.
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| Weight | 0.292 kg |
|---|---|
| Dimensions | 50.00 × 61.50 × 77.50 mm |
| Brand | SIEMENS |
| product brand name | SIRIUS |
| product designation | Power contactor |
| product type designation | 3RT2 |
| size of contactor | S00 |
| 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 | 1.2 W |
| ● per pole | 0.4 W |
| power loss [W] for rated value of the current without load current share typical | 4 W |
| surge voltage resistance | – |
| ● of main circuit rated value | 6 kV |
| ● of auxiliary circuit rated value | 6 kV |
| maximum permissible voltage for safe isolation between coil and main contacts acc. to EN 60947-1 | 400 V |
| shock resistance at rectangular impulse | – |
| shock resistance with sine pulse | – |
| mechanical service life (switching cycles) | – |
| ● of contactor typical | 30 000 000 |
| ● 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 acc. to IEC 81346-2 | Q |
| 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 acc. to IEC 60068-2-30 maximum | 95 % |
| number of poles for main current circuit | 3 |
| number of NO contacts for main contacts | 3 |
| operating voltage at AC-3 rated value maximum | 690 V |
| ● at AC-1 at 400 V at ambient temperature 40 °C rated value | 18 A |
| ● at AC-1 | – |
| — up to 690 V at ambient temperature 40 °C rated value | 18 A |
| — up to 690 V at ambient temperature 60 °C rated value | 16 A |
| ● at AC-4 at 400 V rated value | 6.5 A |
| ● at AC-5a up to 690 V rated value | 15.8 A |
| ● at AC-5b up to 400 V rated value | 5.8 A |
| — up to 230 V for current peak value n=20 rated value | 4 A |
| — up to 400 V for current peak value n=20 rated value | 4 A |
| — up to 500 V for current peak value n=20 rated value | 3.8 A |
| — up to 690 V for current peak value n=20 rated value | 3.6 A |
| ● at AC-6a | – |
| — up to 230 V for current peak value n=30 rated value | 2.7 A |
| — up to 400 V for current peak value n=30 rated value | 2.7 A |
| — up to 500 V for current peak value n=30 rated value | 2.5 A |
| — up to 690 V for current peak value n=30 rated value | 2.4 A |
| minimum cross-section in main circuit at maximum AC-1 rated value | 2.5 mm² |
| operational current for approx. 200000 operating cycles at AC-4 | – |
| operational current | – |
| ● at 1 current path at DC-1 | – |
| ● with 2 current paths in series at DC-1 | – |
| ● with 3 current paths in series at DC-1 | – |
| ● at 1 current path at DC-3 at DC-5 | – |
| ● with 2 current paths in series at DC-3 at DC-5 | – |
| ● with 3 current paths in series at DC-3 at DC-5 | – |
| — at 24 V rated value | 15 A |
| — at 110 V rated value | 15 A |
| — at 220 V rated value | 1.2 A |
| — at 440 V rated value | 0.14 A |
| — at 600 V rated value | 0.14 A |
| operating power | – |
| ● at AC-3 | – |
| — at 400 V rated value | 3 kW |
| — at 500 V rated value | 3 kW |
| — at 690 V rated value | 4 kW |
| operating power for approx. 200000 operating cycles at AC-4 | – |
| ● up to 230 V for current peak value n=20 rated value | 1.5 kV·A |
| ● up to 400 V for current peak value n=20 rated value | 2.7 kV·A |
| ● up to 500 V for current peak value n=20 rated value | 3.3 kV·A |
| ● up to 690 V for current peak value n=20 rated value | 4.3 kV·A |
| operating apparent power at AC-6a | – |
| ● up to 230 V for current peak value n=30 rated value | 1 kV·A |
| ● up to 400 V for current peak value n=30 rated value | 1.8 kV·A |
| ● up to 500 V for current peak value n=30 rated value | 2.2 kV·A |
| ● up to 690 V for current peak value n=30 rated value | 2.9 kV·A |
| short-time withstand current in cold operating state up to 40 °C | – |
| ● limited to 1 s switching at zero current maximum | 120 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 5 s switching at zero current maximum | 86 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 10 s switching at zero current maximum | 67 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 30 s switching at zero current maximum | 52 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 60 s switching at zero current maximum | 43 A; Use minimum cross-section acc. to AC-1 rated value |
| no-load switching frequency | – |
| operating frequency | – |
| ● at AC-1 maximum | 1 000 1/h |
| ● at AC-2 maximum | 750 1/h |
| ● at AC-3 maximum | 750 1/h |
| ● at AC-4 maximum | 250 1/h |
| type of voltage of the control supply voltage | DC |
| control supply voltage at DC | – |
| ● rated value | 24 V |
| operating range factor control supply voltage rated value of magnet coil at DC | – |
| ● initial value | 0.8 |
| ● full-scale value | 1.1 |
| closing power of magnet coil at DC | 4 W |
| holding power of magnet coil at DC | 4 W |
| closing delay | – |
| opening delay | – |
| ● at DC | 7 … 13 ms |
| arcing time | 10 … 15 ms |
| control version of the switch operating mechanism | Standard A1 – A2 |
| number of NC contacts for auxiliary contacts instantaneous contact | 1 |
| operational current at AC-12 maximum | 10 A |
| operational current at AC-15 | – |
| ● at 230 V rated value | 10 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-12 | – |
| 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 |
| contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) |
| full-load current (FLA) for 3-phase AC motor | – |
| ● at 480 V rated value | 4.8 A |
| ● at 600 V rated value | 6.1 A |
| yielded mechanical performance [hp] | – |
| ● for single-phase AC motor | – |
| — at 110/120 V rated value | 0.25 hp |
| — at 230 V rated value | 0.75 hp |
| ● for 3-phase AC motor | – |
| — at 200/208 V rated value | 1.5 hp |
| — at 220/230 V rated value | 2 hp |
| — at 460/480 V rated value | 3 hp |
| — at 575/600 V rated value | 5 hp |
| contact rating of auxiliary contacts according to UL | A600 / Q600 |
| design of the fuse link | – |
| ● for short-circuit protection of the main circuit | – |
| — with type of coordination 1 required | gG: 35A (690V,100kA), aM: 20A (690V,100kA), BS88: 35A (415V,80kA) |
| — with type of assignment 2 required | gG: 20A (690V,100kA), aM: 16A (690V, 100kA), BS88: 20A (415V, 80kA) |
| ● for short-circuit protection of the auxiliary switch required | gG: 10 A (500 V, 1 kA) |
| 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 |
| required spacing | – |
| ● with side-by-side mounting | – |
| ● for grounded parts | – |
| ● for live parts | – |
| — forwards | 10 mm |
| — upwards | 10 mm |
| — downwards | 10 mm |
| — at the side | 6 mm |
| type of electrical connection | – |
| ● for main current circuit | screw-type terminals |
| ● for auxiliary and control circuit | screw-type terminals |
| ● at contactor for auxiliary contacts | Screw-type terminals |
| ● of magnet coil | Screw-type terminals |
| — solid | 2x (0.5 … 1.5 mm²), 2x (0.75 … 2.5 mm²), 2x 4 mm² |
| ● at AWG cables for main contacts | 2x (20 … 16), 2x (18 … 14), 2x 12 |
| connectable conductor cross-section for main contacts | – |
| ● solid | 0.5 … 4 mm² |
| ● stranded | 0.5 … 4 mm² |
| connectable conductor cross-section for auxiliary contacts | – |
| ● solid or stranded | 0.5 … 4 mm² |
| ● finely stranded with core end processing | 0.5 … 2.5 mm² |
| type of connectable conductor cross-sections | – |
| — solid or stranded | 2x (0.5 … 1.5 mm²), 2x (0.75 … 2.5 mm²), 2x 4 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), 2x 12 |
| AWG number as coded connectable conductor cross section | – |
| ● for main contacts | 20 … 12 |
| ● for auxiliary contacts | 20 … 12 |
| B10 value with high demand rate acc. to SN 31920 | 1 000 000 |
| proportion of dangerous failures | – |
| ● with low demand rate acc. to SN 31920 | 40 % |
| ● with high demand rate acc. to SN 31920 | 73 % |
| failure rate [FIT] with low demand rate acc. to SN 31920 | 100 FIT |
| T1 value for proof test interval or service life acc. to IEC 61508 | 20 y |
| protection class IP on the front acc. to IEC 60529 | IP20 |
| touch protection on the front acc. to IEC 60529 | finger-safe, for vertical contact from the front |
| suitability for use | – |
| ● safety-related switching OFF | Yes |
| last modified: | 11/27/2021 |
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