SIEMENS
Reversing starter, SIRIUS 3RM1, 500 V, 0.09 – 0.75 kW, 0.4 – 2 A, 110-230 V AC control, featuring space-saving design and secure screw terminals.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3RM1202-1AA14 Reversing Starter from the 3RM1 motor starter family is engineered for compact, efficient, and reliable motor control. Designed for applications requiring forward and reverse operation, this reversing starter supports motor ratings from 0.09 to 0.75 kW, with operational current between 0.4–2 A, and a rated operational voltage of 500 V. With its 110–230 V AC control voltage and secure screw terminal connection, it offers dependable performance for industrial automation environments.
Maximum Space Savings: Integrated design combines contactor and overload functions into one narrow, space-saving unit.
High Reliability: Part of the proven SIRIUS family, ensuring long-term operational stability and motor protection.
Simplified Wiring: Wide-range control voltage (110-230 V AC) reduces complexity and stock-keeping requirements.
Easy Installation: Features robust screw terminals for secure and straightforward wiring.
Optimal Motor Protection: Precise current setting range (0.4-2 A) allows for accurate protection of smaller motor loads (0.09-0.75 kW).
The Siemens 3RM1202-1AA14 is built for direct-on-line (DOL) motor control with integrated reversing functionality. It is suitable for:
Conveyor systems
Industrial machinery
Packaging equipment
Automated production lines
Pumps, fans, and small motors requiring bidirectional movement
This compact reversing starter simplifies control panel setup and ensures stable operation in demanding industrial environments.
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| SKU / Model | 3RM1202-1AA14 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS |
| product category | Motor starter |
| product designation | Reversing starter |
| design of the product | with electronic overload protection |
| product type designation | 3RM1 |
| trip class | CLASS 10A |
| equipment variant acc. to IEC 60947-4-2 | 3 |
| ● intrinsic device protection | Yes |
| ● for power supply reverse polarity protection | No |
| suitability for operation device connector 3ZY12 | No |
| power loss [W] for rated value of the current at AC in hot operating state per pole | 0.1 W |
| insulation voltage rated value | 500 V |
| overvoltage category | III |
| surge voltage resistance rated value | 6 kV |
| maximum permissible voltage for safe isolation | - |
| ● between main and auxiliary circuit | 500 V |
| ● between control and auxiliary circuit | 250 V |
| shock resistance | 6g / 11 ms |
| vibration resistance | 1 ... 6 Hz, 15 mm; 20 m/s², 500 Hz |
| operating frequency maximum | 1 1/s |
| mechanical service life (switching cycles) typical | 30 000 000 |
| reference code acc. to IEC 81346-2 | Q |
| product function | - |
| ● direct start | No |
| ● reverse starting | Yes |
| product function short circuit protection | No |
| EMC emitted interference acc. to IEC 60947-1 | class A |
| EMC immunity acc. to IEC 60947-1 | Class A |
| conducted interference | - |
| ● due to burst acc. to IEC 61000-4-4 | 3 kV / 5 kHz |
| ● due to conductor-earth surge acc. to IEC 61000-4-5 | 2 kV |
| ● due to conductor-conductor surge acc. to IEC 61000-4-5 | 1 kV |
| ● due to high-frequency radiation acc. to IEC 61000-4-6 | 10 V |
| field-based interference acc. to IEC 61000-4-3 | 10 V/m |
| electrostatic discharge acc. to IEC 61000-4-2 | 4 kV contact discharge / 8 kV air discharge |
| conducted HF interference emissions acc. to CISPR11 | Class B for domestic, business and commercial environments; Class A for industrial environments at 110 V DC |
| field-bound HF interference emission acc. to CISPR11 | Class B for domestic, business and commercial environments; Class A for industrial environments at 110 V DC |
| protection class IP on the front acc. to IEC 60529 | IP20 |
| touch protection on the front acc. to IEC 60529 | finger-safe |
| number of poles for main current circuit | 3 |
| design of the switching contact | Hybrid |
| design of the switching contact as NO contact for signaling function | OUT, electronic, 24 V DC, 15 mA |
| adjustable current response value current of the current-dependent overload release | 0.4 ... 2 A |
| minimum load [%] | 20 %; from set rated current |
| type of the motor protection | solid-state |
| operating voltage rated value | 48 ... 500 V |
| relative symmetrical tolerance of the operating voltage | 10 % |
| operating frequency 1 rated value | 50 Hz |
| operating frequency 2 rated value | 60 Hz |
| relative symmetrical tolerance of the operating frequency | 10 % |
| ● at AC at 400 V rated value | 2 A |
| ● at AC-3 at 400 V rated value | 2 A |
| ● at AC-53a at 400 V at ambient temperature 40 °C rated value | 2 A |
| ampacity when starting maximum | 16 A |
| operating power for 3-phase motors at 400 V at 50 Hz | 0.09 ... 0.75 kW |
| ● at DC rated value | 110 V |
| input voltage at digital input | - |
| ● at AC rated value | 110 V |
| ● with signal <0> at AC | 0 ... 40 V |
| ● for signal <1> at AC | 93 ... 253 V |
| input current at digital input | - |
| ● for signal <1> at DC | 1.5 mA |
| ● with signal <0> at DC | 0.25 mA |
| input current at digital input with signal <0> at AC | - |
| input current at digital input for signal <1> at AC | - |
| ● at 110 V | 1.1 mA |
| ● at 230 V | 2.3 mA |
| number of CO contacts for auxiliary contacts | 1 |
| operational current of auxiliary contacts at AC-15 at 230 V maximum | 3 A |
| operational current of auxiliary contacts at DC-13 at 24 V maximum | 1 A |
| type of voltage of the control supply voltage | AC/DC |
| control supply voltage at AC | - |
| ● at 50 Hz rated value | 110 ... 230 V |
| ● at 60 Hz rated value | 110 ... 230 V |
| relative negative tolerance of the control supply voltage at AC at 60 Hz | 15 % |
| relative positive tolerance of the control supply voltage at AC at 60 Hz | 10 % |
| control supply voltage 1 at AC | - |
| ● at 50 Hz | 110 ... 230 V |
| ● at 60 Hz | 110 ... 230 V |
| control supply voltage frequency | - |
| ● 1 rated value | 50 Hz |
| ● 2 rated value | 60 Hz |
| relative negative tolerance of the control supply voltage at DC | 15 % |
| relative positive tolerance of the control supply voltage at DC | 10 % |
| control supply voltage 1 at DC rated value | 110 V |
| operating range factor control supply voltage rated value at DC | - |
| operating range factor control supply voltage rated value at AC at 50 Hz | - |
| operating range factor control supply voltage rated value at AC at 60 Hz | - |
| ● initial value | 0.85 |
| ● full-scale value | 1.1 |
| control current at AC | - |
| ● at 110 V in standby mode of operation | 16 mA |
| ● at 230 V in standby mode of operation | 9 mA |
| ● at 110 V when switching on | 55 mA |
| ● at 230 V when switching on | 33 mA |
| ● at 110 V during operation | 36 mA |
| ● at 230 V during operation | 22 mA |
| control current at DC | - |
| ● in standby mode of operation | 6 mA |
| ● when switching on | 15 mA |
| power loss [W] in auxiliary and control circuit | - |
| ● in switching state OFF | - |
| ● in switching state ON | - |
| — with bypass circuit | 5.06 W |
| ON-delay time | 60 ... 90 ms |
| OFF-delay time | 60 ... 90 ms |
| operational current | - |
| ● at 40 °C rated value | 2 A |
| ● at 50 °C rated value | 2 A |
| ● at 55 °C rated value | 2 A |
| ● at 60 °C rated value | 2 A |
| mounting position | vertical, horizontal, standing (observe derating) |
| fastening method | screw and snap-on mounting onto 35 mm standard mounting rail |
| required spacing | - |
| ● with side-by-side mounting | - |
| ● for grounded parts | - |
| — forwards | 0 mm |
| — backwards | 0 mm |
| — upwards | 50 mm |
| — at the side | 3.5 mm |
| — downwards | 50 mm |
| installation altitude at height above sea level maximum | 4 000 m; For derating see manual |
| ambient temperature | - |
| ● during operation | -25 ... +60 °C |
| ● during storage | -40 ... +70 °C |
| ● during transport | -40 ... +70 °C |
| environmental category during operation acc. to IEC 60721 | 3K6 (no ice formation, only occasional condensation), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6 |
| relative humidity during operation | 10 ... 95 % |
| air pressure acc. to SN 31205 | 900 ... 1 060 hPa |
| protocol is supported | - |
| ● PROFINET IO protocol | No |
| ● PROFIsafe protocol | No |
| product function bus communication | No |
| protocol is supported AS-Interface protocol | No |
| type of electrical connection | screw-type terminals for main circuit, screw-type terminals for control circuit |
| ● for main current circuit | screw-type terminals |
| ● for auxiliary and control circuit | screw-type terminals |
| wire length for motor unshielded maximum | 100 m |
| ● at AWG cables for main contacts | 1x (20 ... 12), 2x (20 ... 14) |
| connectable conductor cross-section for main contacts | - |
| 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 | 1x (0,5 ... 2,5 mm²), 2x (1,0 ... 1,5 mm²) |
| — finely stranded with core end processing | 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1 mm²) |
| ● at AWG cables for auxiliary contacts | 1x (20 ... 14), 2x (18 ... 16) |
| AWG number as coded connectable conductor cross section | - |
| ● for main contacts | 20 ... 12 |
| ● for auxiliary contacts | 20 ... 14 |
| yielded mechanical performance [hp] | - |
| ● for single-phase AC motor | - |
| — at 230 V rated value | 0.125 hp |
| ● for 3-phase AC motor | - |
| — at 200/208 V rated value | 0.333 hp |
| — at 220/230 V rated value | 0.333 hp |
| — at 460/480 V rated value | 0.75 hp |
| operating voltage at AC | - |
| ● according to UL rated value | 480 V |
| ● according to CSA rated value | 400 V |
| Test Certificates | Railway other |
| last modified: | 11/3/2021 |
| Weight | 0.333 kg |
| Dimensions | 36.00 × 109.00 × 167.00 mm |
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