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The 3MT7012-0AA10-0AN2 belongs to Siemens’s SINOVA 3MT7 family of compact 3-pole power contactors. It is engineered for reliable switching of three-phase motors or other AC loads in industrial, building automation, or power distribution systems. The contactor supports a wide operating voltage range, up to 690 V AC for main circuit, and is suitable for standard AC-1 and AC-3 utilization categories.
It includes one auxiliary contact (1 NO) for control-circuit integration, making it convenient to combine with control relays or signaling circuits. The design ensures safe operation under a variety of ambient conditions (–5 °C to +55 °C) and offers good humidity tolerance, making it versatile for different environments.
| Parameter | Value / Detail |
|---|---|
| Product family | SINOVA 3MT7 3-pole power contactor |
| Number of main-circuit poles | 3 (three-pole) |
| Main contacts (NO) | 3 NO contacts |
| Auxiliary contacts | 1 NO auxiliary contact |
| Rated operational current (AC-3, 400 V) | 12 A |
| Rated operational current (AC-1, 400 V, 40 °C) | 25 A |
| Maximum operational voltage (main circuit, AC-3) | Up to 690 V AC |
| Rated motor power (AC-3, 400 V) | 5.5 kW |
| Coil (control) voltage | 220 V AC, 50/60 Hz |
| Power loss (hot operating state) | 7.5 W total (≈ 2.5 W per pole) |
| Insulation voltage (pollution degree 3) | 1,000 V (main and auxiliary circuits) |
| Surge-voltage resistance | 6 kV (main and auxiliary circuits) |
| Protection class (front) | IP20 |
| Mechanical service life (typical) | 10,000,000 switching cycles |
| Ambient operating temperature | –5 °C … +55 °C |
| Ambient storage temperature | –25 °C … +70 °C |
| Relative humidity (storage) | Minimum 10%; up to 95% at 55 °C (per IEC standard) |
| Maximum installation altitude | 2,000 m above sea level |
| Connection type | Screw-type terminals (main & auxiliary circuits) |
| Weight | 0.354 kg |