Product image is representative; revision or series may vary. Contact us to request a specific version.
The Siemens 3TB44170A from the SIRIUS series is a robust motor contactor designed for reliable operation in various industrial applications. This device is rated for both 10 HP at 230 Volts and 25 HP at 460 Volts, ensuring versatility in handling different loads.
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
Repairs and exchanges are available for all automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
| Manufacturer | Siemens |
|---|---|
| Product Type | Motor Contactor |
| Product Line | SIRIUS |
| Part Number | 3TB44170A |
| Poles | 3 Poles |
| Phase | 3-Phase |
| HP Rating | 10 HP at 230 Volts, 25 HP at 460 Volts |
| Contact Configuration | 2 NO, 2 NC |
| Size | Size S2 |
| AC3 Amp Rating | 32 Amps |
| Frequency | 50/60 Hz |
| Terminal Type | Screw terminals |
| Rated Operational Voltage | 600 V AC |
| Motor Power, 400V | 15 kW |
| Typical Coil Voltage | 110/120 V AC |
| Altitude | 2000 meters |
| Pollution Degree | Degree 3 |
| Operating Ambient Temperature | −25 to +55°C |
The Siemens 3TB44170A motor contactor is a key component in industrial motor control applications. This unit is specifically engineered for 3-phase motor operations and comes equipped with 3 poles for effective electrical management. It supports an HP rating of 10 at 230 Volts and 25 at 460 Volts, accommodating a wide variety of motor sizes. This contactor features a contact configuration of 2 normally open and 2 normally closed, allowing flexibility in control schemes. It meets the operational demands with its rated voltage of 600 V AC, suitable for demanding environments.
With a size classification of S2, this contactor can manage an AC3 current rating of 32 Amps, essential for consistent performance in variable conditions. It operates at frequencies of either 50 or 60 Hz, which is standard for many industrial applications. The typical coil voltage required to energize the contactor is 110/120 V AC, which simplifies integration into most control systems. Designed for installation at altitudes up to 2000 meters, it remains functional in elevated locations. Additionally, the contactor is rated for a pollution degree of three, indicating robustness in less-than-ideal environments.
The operating ambient temperature range of this device is between −25°C and +55°C, allowing it to perform reliably across extreme temperature fluctuations. Finally, it employs screw terminals for wiring, providing a secure connection to ensure solid electrical performance. Overall, the Siemens 3TB44170A motor contactor represents a dependable choice for controlling motor operations in a variety of industrial contexts.