Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC Original Brand New
$46.20
Siemens 3RT2018-1AP02 is a compact SIRIUS 3RT2 power contactor for switching motors up to 7.5 kW (400 V). Featuring a 230V AC coil, 3 main poles, a single 1 NC auxiliary contact, and screw terminals, this Size S00 contactor offers high reliability in a small footprint.
Availability: In stock
Overview
The Siemens 3RT2018-1AP02 is a high-performance power contactor designed for reliable switching in industrial and commercial electrical applications. Rated at 16 A and capable of handling 7.5 kW at 400V, this 3-pole contactor ensures efficient and safe operation. Featuring 1 NC auxiliary contact, screw terminals, and size S00, it is ideal for AC-3 and AC-3e applications in motor control circuits.
Features & Function
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High Reliability: Ensures stable switching of motors and other electrical loads.
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AC-3 & AC-3e Rated: Suitable for heavy-duty motor control applications.
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Rated Current: 16 A, supporting loads up to 7.5 kW / 400 V.
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Poles: 3-pole configuration for versatile three-phase connections.
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Auxiliary Contacts: 1 NC (Normally Closed) for control circuit integration.
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Terminal Type: Screw terminals for secure wiring.
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Coil Voltage: 230V AC, 50/60 Hz, compatible with standard industrial systems.
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Size: Compact S00 for easy panel installation.
Benefit
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Compact Design: The Size S00 frame allows for high-density panel mounting, saving valuable space in control cabinets.
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High Reliability: Part of the SIRIUS modular system, ensuring coordinated products and tested combinations for dependable operation.
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Simplified Wiring: Equipped with screw terminals for secure and straightforward electrical connection on both the main and control circuits.
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Global Compliance: Climate-resistant and approved for worldwide use (e.g., IEC and UL/CSA), making it suitable for international applications.
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IE3/IE4-Ready: Optimized for modern, energy-efficient motors, supporting future-proof industrial control systems.
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Motor Protection Integration: Easily combinable with a variety of other SIRIUS components, such as thermal overload relays (e.g., 3RU2), for complete motor protection.
Application
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Switching and controlling motors in machines (pumps, fans, conveyors).
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Building basic motor starters (direct-on-line starters).
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Controlling resistive loads (heating elements, lighting).
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| Weight | 0.235 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 | 6.6 W |
| ● per pole | 2.2 W |
| power loss [W] for rated value of the current without load current share typical | 5.7 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 | 22 A |
| ● at AC-1 | – |
| — up to 690 V at ambient temperature 40 °C rated value | 22 A |
| — up to 690 V at ambient temperature 60 °C rated value | 20 A |
| ● at AC-4 at 400 V rated value | 11.5 A |
| ● at AC-5a up to 690 V rated value | 19.4 A |
| ● at AC-5b up to 400 V rated value | 13.2 A |
| — up to 230 V for current peak value n=20 rated value | 9.6 A |
| — up to 400 V for current peak value n=20 rated value | 9.6 A |
| — up to 500 V for current peak value n=20 rated value | 9.6 A |
| — up to 690 V for current peak value n=20 rated value | 8.9 A |
| ● at AC-6a | – |
| — up to 230 V for current peak value n=30 rated value | 6.6 A |
| — up to 400 V for current peak value n=30 rated value | 6.4 A |
| — up to 500 V for current peak value n=30 rated value | 6.4 A |
| — up to 690 V for current peak value n=30 rated value | 6.4 A |
| minimum cross-section in main circuit at maximum AC-1 rated value | 4 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 | 20 A |
| — at 110 V rated value | 20 A |
| — at 220 V rated value | 1.5 A |
| — at 440 V rated value | 0.2 A |
| — at 600 V rated value | 0.2 A |
| operating power | – |
| ● at AC-3 | – |
| — at 400 V rated value | 7.5 kW |
| — at 500 V rated value | 7.5 kW |
| — at 690 V rated value | 7.5 kW |
| operating power for approx. 200000 operating cycles at AC-4 | – |
| ● up to 230 V for current peak value n=20 rated value | 3.8 kV·A |
| ● up to 400 V for current peak value n=20 rated value | 6.6 kV·A |
| ● up to 500 V for current peak value n=20 rated value | 8.3 kV·A |
| ● up to 690 V for current peak value n=20 rated value | 10.6 kV·A |
| operating apparent power at AC-6a | – |
| ● up to 230 V for current peak value n=30 rated value | 2.5 kV·A |
| ● up to 400 V for current peak value n=30 rated value | 4.4 kV·A |
| ● up to 500 V for current peak value n=30 rated value | 5.5 kV·A |
| ● up to 690 V for current peak value n=30 rated value | 7.6 kV·A |
| short-time withstand current in cold operating state up to 40 °C | – |
| ● limited to 1 s switching at zero current maximum | 300 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 5 s switching at zero current maximum | 169 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 10 s switching at zero current maximum | 128 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 30 s switching at zero current maximum | 92 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 60 s switching at zero current maximum | 74 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 | AC |
| control supply voltage at AC | – |
| ● at 50 Hz rated value | 230 V |
| ● at 60 Hz rated value | 230 V |
| operating range factor control supply voltage rated value of magnet coil at AC | – |
| apparent pick-up power of magnet coil at AC | – |
| inductive power factor with closing power of the coil | – |
| apparent holding power of magnet coil at AC | – |
| inductive power factor with the holding power of the coil | – |
| ● at 50 Hz | 0.25 |
| ● at 60 Hz | 0.25 |
| closing delay | – |
| opening delay | – |
| ● at AC | 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 | 14 A |
| ● at 600 V rated value | 11 A |
| yielded mechanical performance [hp] | – |
| ● for single-phase AC motor | – |
| — at 110/120 V rated value | 1 hp |
| — at 230 V rated value | 2 hp |
| ● for 3-phase AC motor | – |
| — at 200/208 V rated value | 3 hp |
| — at 220/230 V rated value | 5 hp |
| — at 460/480 V rated value | 10 hp |
| — at 575/600 V rated value | 10 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: 50A (690V,100kA), aM: 25A (690V,100kA), BS88: 50A (415V,80kA) |
| — with type of assignment 2 required | gG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (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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