The Siemens 3MT70402AA100AL2 Power Contactor is a robust and reliable switching device designed for demanding industrial motor control applications. Part of the trusted Siemens SINOVA 3MT7 series, this 3-pole power contactor delivers an AC-3 operational current rating of 40A at 400V and is engineered for efficient switching of three-phase motors and industrial loads. It features a 230V AC coil (50/60Hz) and an integrated 1NO auxiliary contact, making it suitable for a wide range of automation, machinery, and power distribution applications.
Available at SB Smart (sbsmart.in), the 3MT70402AA100AL2 combines Siemens engineering excellence with long service life, reliable switching performance, and easy installation. Whether used in manufacturing plants, process industries, HVAC systems, pumps, compressors, or conveyor systems, this contactor ensures dependable operation under demanding industrial conditions.
Built for modern motor control systems, the Siemens 3MT70402AA100AL2 provides high electrical endurance, compact dimensions, and compatibility with industrial automation panels, helping engineers create efficient and reliable control solutions.
Industrial motors require dependable switching devices capable of handling frequent start-stop operations. The Siemens 3MT70402AA100AL2 is specifically designed for AC-3 duty applications and supports motor loads up to 18.5 kW at 400V. Its durable contact system and high-quality coil design provide consistent performance even in challenging industrial environments.
The contactor features screw-type terminals for secure electrical connections and simplified maintenance. With a mechanical life of up to 10 million operating cycles, it offers exceptional reliability and reduced maintenance costs over its operational lifespan.
The Siemens 3MT70402AA100AL2 offers several advantages for industrial motor control systems:
These features make it an ideal choice for engineers, OEMs, panel builders, and maintenance professionals seeking dependable motor control components.
The Siemens 3MT70402AA100AL2 Power Contactor is commonly used in:
Its versatility and proven performance make it a preferred solution for industrial switching applications.
At SB Smart (sbsmart.in), we supply genuine Siemens industrial automation and electrical products sourced through trusted channels. The 3MT70402AA100AL2 Power Contactor offers the reliability, performance, and durability expected from Siemens products while helping improve the efficiency of motor control systems.
Whether you are building a new control panel, upgrading existing motor starters, or maintaining industrial equipment, the Siemens 3MT70402AA100AL2 delivers dependable performance for critical applications.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Manufacturer | Siemens |
| Series | SINOVA 3MT7 |
| Order Code | 3MT70402AA100AL2 |
| Product Type | Power Contactor |
| Number of Poles | 3 Pole |
| AC-3 Operational Current @ 400V | 40A |
| Motor Rating @ 400V AC-3 | 18.5 kW |
| Motor Rating @ 690V AC-3 | 15 kW |
| Coil Voltage | 230V AC |
| Frequency | 50/60 Hz |
| Auxiliary Contacts | 1NO |
| Main Circuit Connection | Screw Terminal |
| Auxiliary Circuit Connection | Screw Terminal |
| Rated Insulation Voltage | 1000V |
| Surge Voltage Resistance | 6 kV |
| Protection Class | IP20 |
| Mechanical Life | 10 Million Operations |
| Frame Size | S2 |
| Mounting Type | DIN Rail / Screw Mounting |
| Operating Temperature | -5°C to +55°C |
| Brand | Siemens |
| Condition | New & Genuine Product |
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