SIEMENS
High-performance 3-pole power contactor designed for AC-3 and AC-3e applications. Featuring a 17A capacity and 7.5kW power rating at 400V, this Size S0 contactor includes 1 NO + 1 NC auxiliary contacts and a 230V AC (50 Hz) coil for reliable industrial motor control.
The Siemens 3RT2025-1AP00 is a high-performance power contactor designed for industrial and commercial electrical applications. Built for reliability and efficiency, this 3-pole contactor supports AC-3e/AC-3 loads up to 17 A and 7.5 kW at 400 V. Equipped with auxiliary contacts (1 NO + 1 NC) and screw terminals, it ensures precise and secure connections. Its compact S0 size makes it suitable for various control panels while maintaining superior functionality.
Space-Efficient Design: Part of the Size S0 family, allowing for high-density installation in control panels.
Enhanced Reliability: Built to handle AC-3e/AC-3 loads with a long mechanical and electrical service life.
Flexible Integration: Equipped with integrated auxiliary contacts (1 NO + 1 NC) for versatile signaling and interlocking.
Global Standards: Fully compliant with international industrial standards, ensuring safety and performance worldwide.
Current Rating: 17 A (at 400V)
Power Output: 7.5 kW / 400 V
Number of Poles: 3-pole (Main contacts)
Control Supply Voltage: 230 V AC, 50 Hz
Auxiliary Configuration: 1 Normally Open (NO) + 1 Normally Closed (NC)
Connection Type: Reliable screw terminals
Size: S0 (Sirius Innovation)
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| SKU / Model | 3RT2025-1AP00 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS |
| product designation | Power contactor |
| product type designation | 3RT2 |
| size of contactor | S0 |
| 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 | 2.7 W |
| ● per pole | 0.9 W |
| power loss [W] for rated value of the current without load current share typical | 7.6 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 | 10 000 000 |
| ● 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 | 40 A |
| ● at AC-1 | - |
| — up to 690 V at ambient temperature 40 °C rated value | 40 A |
| — up to 690 V at ambient temperature 60 °C rated value | 35 A |
| ● at AC-4 at 400 V rated value | 15.5 A |
| ● at AC-5a up to 690 V rated value | 35.2 A |
| ● at AC-5b up to 400 V rated value | 14.1 A |
| — up to 230 V for current peak value n=20 rated value | 11.4 A |
| — up to 400 V for current peak value n=20 rated value | 11.4 A |
| — up to 500 V for current peak value n=20 rated value | 11.4 A |
| — up to 690 V for current peak value n=20 rated value | 11.3 A |
| ● at AC-6a | - |
| — up to 230 V for current peak value n=30 rated value | 7.6 A |
| — up to 400 V for current peak value n=30 rated value | 7.6 A |
| — up to 500 V for current peak value n=30 rated value | 7.6 A |
| — up to 690 V for current peak value n=30 rated value | 7.6 A |
| minimum cross-section in main circuit at maximum AC-1 rated value | 10 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 | 35 A |
| — at 110 V rated value | 35 A |
| — at 220 V rated value | 10 A |
| — at 440 V rated value | 0.6 A |
| — at 600 V rated value | 0.6 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 | 11 kW |
| operating power for approx. 200000 operating cycles at AC-4 | - |
| ● up to 230 V for current peak value n=20 rated value | 4.5 kV·A |
| ● up to 400 V for current peak value n=20 rated value | 7.8 kV·A |
| ● up to 500 V for current peak value n=20 rated value | 9.9 kV·A |
| ● up to 690 V for current peak value n=20 rated value | 13.6 kV·A |
| operating apparent power at AC-6a | - |
| ● up to 230 V for current peak value n=30 rated value | 3 kV·A |
| ● up to 400 V for current peak value n=30 rated value | 5.2 kV·A |
| ● up to 500 V for current peak value n=30 rated value | 6.6 kV·A |
| ● up to 690 V for current peak value n=30 rated value | 9.1 kV·A |
| short-time withstand current in cold operating state up to 40 °C | - |
| ● limited to 1 s switching at zero current maximum | 225 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 5 s switching at zero current maximum | 225 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 10 s switching at zero current maximum | 180 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 30 s switching at zero current maximum | 115 A; Use minimum cross-section acc. to AC-1 rated value |
| ● limited to 60 s switching at zero current maximum | 96 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 | 1 000 1/h |
| ● at AC-3 maximum | 1 000 1/h |
| ● at AC-4 maximum | 300 1/h |
| type of voltage of the control supply voltage | AC |
| control supply voltage at AC | - |
| ● at 50 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 |
| closing delay | - |
| opening delay | - |
| ● at AC | 4 ... 16 ms |
| arcing time | 10 ... 10 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
| number of NC contacts for auxiliary contacts instantaneous contact | 1 |
| number of NO 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 | 17 A |
| yielded mechanical performance [hp] | - |
| ● for single-phase AC motor | - |
| — at 110/120 V rated value | 1 hp |
| — at 230 V rated value | 3 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 | 15 hp |
| contact rating of auxiliary contacts according to UL | A600 / P600 |
| design of the fuse link | - |
| ● for short-circuit protection of the main circuit | - |
| — with type of coordination 1 required | gG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (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 (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) |
| ● at AWG cables for main contacts | 2x (16 ... 12), 2x (14 ... 8) |
| connectable conductor cross-section for main contacts | - |
| ● solid | 1 ... 10 mm² |
| ● stranded | 1 ... 10 mm² |
| connectable conductor cross-section for auxiliary contacts | - |
| ● solid or stranded | 0.5 ... 2.5 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) |
| — 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) |
| AWG number as coded connectable conductor cross section | - |
| ● for main contacts | 16 ... 8 |
| ● for auxiliary contacts | 20 ... 14 |
| B10 value with high demand rate acc. to SN 31920 | 450 000 |
| 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 |
| Weight | 0.405 kg |
| Dimensions | 54.00 × 92.00 × 105.50 mm |
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