The Siemens 3MT7050-3AA11-0AL2 is a high-performance SINOVA 3MT7 Power Contactor designed for reliable motor control and power switching applications. This 3 Pole (3P) contactor is rated at 50A AC-3 duty and supports motors up to 22kW at 400V. Equipped with 1 Normally Open (1NO) and 1 Normally Closed (1NC) auxiliary contact, it provides dependable switching performance in industrial automation, motor starters, control panels, and power distribution systems. The contactor features a 230V AC coil (50/60Hz), screw-type terminals, robust construction, and long mechanical life, ensuring safe and efficient operation in demanding industrial environments.
• Siemens SINOVA 3MT7 Series Power Contactor
• Part Number: 3MT7050-3AA11-0AL2
• 3 Pole (3P) configuration
• Rated current: 50A (AC-3)
• Motor rating: 22kW at 400V AC
• 230V AC coil voltage, 50/60Hz
• Built-in 1NO + 1NC auxiliary contacts
• Suitable for motor control and switching applications
• Screw-type main and auxiliary terminals
• High electrical and mechanical durability
• Compact industrial design
• Reliable load switching performance
• Long service life with up to 5 million mechanical operations
• Easy installation and maintenance
• Supports panel and DIN rail mounting
• Designed according to IEC standards
• Ideal for motor starters, MCC panels, automation systems, and industrial control panels
| Parameter | Specification |
|---|---|
| Product Series | Siemens SINOVA 3MT7 |
| Part Number | 3MT7050-3AA11-0AL2 |
| Product Type | Power Contactor |
| Number of Poles | 3 Pole (3P) |
| Rated Operational Current (AC-3) | 50A |
| Motor Rating | 22kW at 400V AC |
| Rated Operational Voltage | Up to 690V AC |
| Coil Voltage | 230V AC |
| Frequency | 50/60Hz |
| Auxiliary Contacts | 1NO + 1NC |
| Main Circuit Connection | Screw Type |
| Auxiliary Circuit Connection | Screw Type |
| Insulation Voltage | 1000V |
| Surge Voltage Withstand | 8kV |
| Protection Class | IP20 |
| Mechanical Life | Approx. 5 Million Operations |
| Mounting Type | Panel / DIN Rail Mounting |
| Operating Temperature | -5°C to +55°C |
| Switching Category | AC-3 |
| Standard Compliance | IEC 60947 |
| Application | Motor Control, MCC Panels, Industrial Automation, Power Distribution Systems |
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