Contactors for Data Center PDU and UPS Systems: Selection Guide
AC-1 and AC-6a contactors for data center PDU and UPS systems: sizing, harmonic derating, coil selection, and endurance guidance for engineers. Shop at Stoklink.
- Part number
- 3RT2015-1AP01
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- UL
- Marine
Siemens 3RT2015-1AP01 SIRIUS 3-Pole 3kW AC 230V Coil 1NO Contactor
The Siemens 3RT2015-1AP01 is a 3-pole SIRIUS 3RT2 contactor rated 7 A (AC-3) / 3 kW at 400 V, 3 hp at 480 V, with a 230 V AC 50/60 Hz coil and 1 NO auxiliary contacts.
Description
About the 3RT2015-1AP01
About the 3RT2015-1AP01
The Siemens 3RT2015-1AP01 is a 3-pole SIRIUS series contactor rated at 3 kW with an AC 230 V coil and one normally open (1NO) auxiliary contact. Belonging to the SIRIUS 3RT product line, this contactor is specified for direct-on-line motor switching duties where a 230 V AC control circuit is already present in the panel design.
Applications & Use Cases
The 3RT2015-1AP01 is sized for 3 kW motor loads — typical in small pump, fan, and conveyor applications where a 3-pole switching topology is required. The integrated 1NO auxiliary contact supports seal-in circuits, PLC feedback, or indicator lamp control without an additional add-on block. With a 230 V AC coil, the unit integrates directly into control panels fed from standard single-phase supplies, avoiding an additional control transformer in many installations.
Specification
Full specification
General 4
| Series | SIRIUS 3RT2 |
|---|---|
| Contactor size / frame | S00 |
| Number of poles | 3 |
| Main contact configuration | 3 NO |
Electrical 8
| Rated operational current Ie, AC-3, 400 V | 7 A |
|---|---|
| Rated motor power, AC-3, 400 V | 3 kW |
| Rated operational current, AC-1 (60 °C) | 16 A |
| Rated operational current, AC-1 (40 °C) | 18 A |
| Rated operational current, AC-4, 400 V | 6.5 A |
| Max. rated operational voltage Ue | 690 V |
| Rated insulation voltage Ui | 690 V |
| Rated impulse withstand voltage Uimp | 6 kV |
Control circuit 5
| Rated control supply voltage Uc | 230 V |
|---|---|
| Coil type | AC |
| Coil frequency | 50/60 Hz |
| Coil technology | Conventional |
| Coil holding power | 4.2 W | VA |
Show all 53 specifications ↓ Show less ↑36 more values in Identification, Auxiliary contacts, Mechanical, Dimensions and weight, Environmental, North American ratings (UL/CSA), Certifications and standards, Logistics. 147 more as published by Siemens are shown on request.
Identification 14
| Part number | 3RT2015-1AP01 |
|---|---|
| Model code | S00 |
| Brand | Siemens |
| Series | SIRIUS 3RT2 |
| Family | Contactors |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 4011209780767 |
| ETIM class | EC000066 |
| eCl@ss | 27371003 |
| UPC | 662643908855 |
| UNSPSC | 39121529 |
Auxiliary contacts 4
| Built-in auxiliary contacts, NO | 1 |
|---|---|
| Built-in auxiliary contacts, NC | 0 |
| Auxiliary contacts | 1 NO |
| Mirror contact (IEC 60947-4-1 Annex F) | Yes |
Mechanical 2
| Main circuit connection | Screw terminal |
|---|---|
| Mounting | 35 mm DIN rail, Panel (screw) mounting |
Dimensions and weight 4
| Width | 45 mm |
|---|---|
| Height | 58 mm |
| Depth | 73 mm |
| Net weight | 0.218 kg |
Environmental 4
| Ambient operating temperature | -25 … 60 °C |
|---|---|
| Degree of protection | IP20 |
| Mechanical durability | 30000000 cycles |
| Max. operating frequency, AC-3 | 750 cycles/h |
North American ratings (UL/CSA) 2
| Motor rating (UL/CSA) | 1.5 hp @ 200/208 V · 2 hp @ 220/230 V · 3 hp @ 460/480 V · 5 hp @ 575/600 V · 0.25 hp @ 110/120 V (1-ph) · 0.75 hp @ 230 V (1-ph) |
|---|---|
| Full-load amps @ 480 V | 4.8 A |
Certifications and standards 1
| Certifications | UL, Marine |
|---|
Logistics 5
| Package dimensions (L × W × H) | 81 × 50 × 63 mm |
|---|---|
| Shipping weight | 0.718 kg |
| Ships from | Türkiye |
| Dispatch | 12 Nov |
| Stock | In stock |
Additional manufacturer data 147 147 more values as published by Siemens, shown on request.
Additional manufacturer data 147
| product brand name | SIRIUS |
|---|---|
| product designation | Power contactor |
| product extension · function module for communication | No |
| product extension · auxiliary switch | Yes |
| power loss [W] for rated value of the current · at AC in hot operating state | 0.6 W |
| power loss [W] for rated value of the current · without load current share typical | 1.1 W |
| type of calculation of power loss current-dependent | quadratic |
| insulation voltage · of auxiliary circuit with degree of pollution 3 rated value | 690 V |
| surge voltage resistance · of auxiliary circuit rated value | 6 kV |
| maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1 | 400 V |
| shock resistance at rectangular impulse · at AC | 6,7 g / 5 ms, 4,2 g / 10 ms |
| shock resistance with sine pulse · at AC | 10,5 g / 5 ms, 6,6 g / 10 ms |
| mechanical service life (operating cycles) · of the contactor with added electronically optimized auxiliary switch block typical | 5 000 000 |
| reference code according to IEC 81346-2 | Q |
| Substance Prohibitance (day/month/year) | 10/01/2009 |
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature · during storage | -55 ... +80 °C |
| relative humidity minimum | 10 % |
| relative humidity at 55 °C according to IEC 60068-2-30 maximum | 95 % |
| number of NC contacts for main contacts | 0 |
| operating voltage · at AC-3e rated value maximum | 690 V |
| operational current · at AC-1 · up to 690 V at ambient temperature 40 °C rated value | 18 A |
| operational current · at AC-3 · at 500 V rated value | 6 A |
| operational current · at AC-3 · at 690 V rated value | 4.9 A |
| operational current · at AC-3e · at 400 V rated value | 7 A |
| operational current · at AC-3e · at 500 V rated value | 6 A |
| operational current · at AC-3e · at 690 V rated value | 4.9 A |
| operational current · at AC-5a up to 690 V rated value | 15.8 A |
| operational current · at AC-5b up to 400 V rated value | 5.8 A |
| operational current · at AC-6a · up to 230 V for current peak value n=20 rated value | 4 A |
| operational current · at AC-6a · up to 400 V for current peak value n=20 rated value | 4 A |
| operational current · at AC-6a · up to 500 V for current peak value n=20 rated value | 3.8 A |
| operational current · at AC-6a · up to 690 V for current peak value n=20 rated value | 3.6 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 · at 400 V rated value | 2.6 A |
| operational current · at 1 current path at DC-1 · at 24 V rated value | 15 A |
| operational current · at 1 current path at DC-1 · at 60 V rated value | 15 A |
| operational current · at 1 current path at DC-1 · at 110 V rated value | 1.5 A |
| operational current · at 1 current path at DC-1 · at 220 V rated value | 0.6 A |
| operational current · at 1 current path at DC-1 · at 440 V rated value | 0.42 A |
| operational current · at 1 current path at DC-1 · at 600 V rated value | 0.42 A |
| operational current · with 2 current paths in series at DC-1 · at 24 V rated value | 15 A |
| operational current · with 3 current paths in series at DC-1 · at 24 V rated value | 15 A |
| operational current · at 1 current path at DC-3 at DC-5 · at 24 V rated value | 15 A |
| operational current · at 1 current path at DC-3 at DC-5 · at 60 V rated value | 0.35 A |
| operational current · at 1 current path at DC-3 at DC-5 · at 110 V rated value | 0.1 A |
| operational current · with 2 current paths in series at DC-3 at DC-5 · at 24 V rated value | 15 A |
| operational current · with 3 current paths in series at DC-3 at DC-5 · at 24 V rated value | 15 A |
| operating power · at AC-3 · at 230 V rated value | 1.5 kW |
| operating power · at AC-3 · at 500 V rated value | 3 kW |
| operating power · at AC-3 · at 690 V rated value | 4 kW |
| operating power · at AC-3e · at 230 V rated value | 1.5 kW |
| operating power · at AC-3e · at 400 V rated value | 3 kW |
| operating power · at AC-3e · at 500 V rated value | 3 kW |
| operating power · at AC-3e · at 690 V rated value | 4 kW |
| operating power for approx. 200000 operating cycles at AC-4 · at 400 V rated value | 1.15 kW |
| operating apparent power at AC-6a · up to 230 V for current peak value n=20 rated value | 1.5 kVA |
| operating apparent power at AC-6a · up to 400 V for current peak value n=20 rated value | 2.7 kVA |
| operating apparent power at AC-6a · up to 500 V for current peak value n=20 rated value | 3.3 kVA |
| operating apparent power at AC-6a · up to 690 V for current peak value n=20 rated value | 4.3 kVA |
| 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 |
| no-load switching frequency · at AC | 10 000 1/h |
| operating frequency · at AC-1 maximum | 1 000 1/h |
| operating frequency · at AC-2 maximum | 750 1/h |
| operating frequency · at AC-3e · maximum | 750 1/h |
| operating frequency · at AC-4 maximum | 250 1/h |
| operating range factor control supply voltage rated value of magnet coil at AC · at 50 Hz | 0.8 ... 1.1 |
| apparent pick-up power of magnet coil at AC · at 50 Hz | 27 V·A |
| apparent pick-up power of magnet coil at AC · at 60 Hz | 24.3 V·A |
| inductive power factor with closing power of the coil · at 50 Hz | 0.8 |
| inductive power factor with closing power of the coil · at 60 Hz | 0.75 |
| apparent holding power of magnet coil at AC · at 60 Hz | 3.3 V·A |
| inductive power factor with the holding power of the coil · at 50 Hz | 0.25 |
| closing delay · at AC | 9 ... 35 ms |
| opening delay · at AC | 4 ... 15 ms |
| arcing time | 10 ... 15 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
| operational current at AC-12 maximum | 10 A |
| operational current at AC-15 · at 230 V rated value | 10 A |
| operational current at AC-15 · at 400 V rated value | 3 A |
| operational current at AC-15 · at 500 V rated value | 2 A |
| operational current at AC-15 · at 690 V rated value | 1 A |
| operational current at DC-12 · at 24 V rated value | 10 A |
| operational current at DC-12 · at 48 V rated value | 6 A |
| operational current at DC-12 · at 60 V rated value | 6 A |
| operational current at DC-12 · at 110 V rated value | 3 A |
| operational current at DC-12 · at 125 V rated value | 2 A |
| operational current at DC-12 · at 220 V rated value | 1 A |
| operational current at DC-12 · at 600 V rated value | 0.15 A |
| operational current at DC-13 · at 24 V rated value | 10 A |
| operational current at DC-13 · at 48 V rated value | 2 A |
| operational current at DC-13 · at 60 V rated value | 2 A |
| operational current at DC-13 · at 110 V rated value | 1 A |
| operational current at DC-13 · at 125 V rated value | 0.9 A |
| operational current at DC-13 · at 220 V rated value | 0.3 A |
| operational current at DC-13 · at 600 V rated value | 0.1 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 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 |
| yielded mechanical performance [hp] · for 3-phase AC motor · at 200/208 V rated value | 1.5 hp |
| yielded mechanical performance [hp] · for 3-phase AC motor · at 220/230 V rated value | 2 hp |
| yielded mechanical performance [hp] · for 3-phase AC motor · at 460/480 V rated value | 3 hp |
| yielded mechanical performance [hp] · for 3-phase AC motor · at 575/600 V rated value | 5 hp |
| contact rating of auxiliary contacts according to UL | A600 / Q600 |
| design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V | C characteristic: 10 A; 0.4 kA |
| design of the fuse link · for short-circuit protection of the main circuit · with type of coordination 1 required | gG: 35 A (690 V, 100 kA), aM: 20 A (690 V, 100 kA), BS88: 35 A (415 V, 80 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 side-by-side mounting | Yes |
| required spacing · with side-by-side mounting · forwards | 10 mm |
| required spacing · with side-by-side mounting · upwards | 10 mm |
| required spacing · with side-by-side mounting · downwards | 10 mm |
| required spacing · with side-by-side mounting · at the side | 0 mm |
| required spacing · for grounded parts · forwards | 10 mm |
| required spacing · for grounded parts · upwards | 10 mm |
| required spacing · for grounded parts · at the side | 6 mm |
| required spacing · for grounded parts · downwards | 10 mm |
| required spacing · for live parts · forwards | 10 mm |
| required spacing · for live parts · upwards | 10 mm |
| required spacing · for live parts · downwards | 10 mm |
| required spacing · for live parts · at the side | 6 mm |
| type of electrical connection · for auxiliary and control circuit | screw-type terminals |
| type of electrical connection · at contactor for auxiliary contacts | Screw-type terminals |
| type of electrical connection · of magnet coil | screw terminal |
| type of connectable conductor cross-sections · for main contacts · solid | 2x (0.5 ... 1.5 mm2), 2x (0.75 ... 2.5 mm2), 2x 4 mm2 |
| type of connectable conductor cross-sections · for 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 |
| connectable conductor cross-section for main contacts · stranded | 0.5 ... 4 mm2 |
| connectable conductor cross-section for main contacts · finely stranded with core end processing | 0.5 ... 2.5 mm2 |
| connectable conductor cross-section for auxiliary contacts · solid or stranded | 0.5 ... 4 mm2 |
| connectable conductor cross-section for auxiliary contacts · finely stranded with core end processing | 0.5 ... 2.5 mm2 |
| type of connectable conductor cross-sections · for auxiliary contacts · solid or stranded | 2x (0.5 ... 1.5 mm2), 2x (0.75 ... 2.5 mm2), 2x 4 mm2 |
| AWG number as coded connectable conductor cross section for main contacts | 20 ... 12 |
| product function · mirror contact according to IEC 60947-4-1 | Yes; with 3RH29 |
| product function · positively driven operation according to IEC 60947-5-1 | No |
| product function · suitable for safety function | Yes |
| suitability for use safety-related switching OFF | Yes |
| service life maximum | 20 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 | 73 % |
| B10 value with high demand rate according to SN 31920 | 1 000 000 |
| failure rate [FIT] with low demand rate according to SN 31920 | 100 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 |
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
| Environmental Product Declaration · global warming potential [CO2 eq] / during manufacturing | 1.18 kg |
Source: manufacturer data · Last verified: 03 Nov 2026
Documents
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Certifications
Certifications and standards
- UL
- Marine
Quick answers
Questions about the 3RT2015-1AP01
What is the rated current of 3RT2015-1AP01?
The rated current of 3RT2015-1AP01 is 7 A (AC-3, 400 V).
Which supply voltage is 3RT2015-1AP01 rated for?
The rated operational voltage of 3RT2015-1AP01 is 690 V AC.
What motor power is 3RT2015-1AP01 rated for?
The rated motor power of 3RT2015-1AP01 is 3 kW (AC-3, 400 V).
Which control voltage does 3RT2015-1AP01 need?
The control voltage range of 3RT2015-1AP01 is 230 V AC.
What is the EAN of 3RT2015-1AP01?
The EAN (GTIN) of 3RT2015-1AP01 is 4011209780767.
Where does 3RT2015-1AP01 ship from, and how fast?
3RT2015-1AP01 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1 business day.
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Siemens SIRIUS 3RT2
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