Siemens 3RT2028-1BW40 SIRIUS Power Contactor, 38A, 18.5kW, 48V DC Coil, 1NO+1NC Aux, Size S0, Screw Terminal Original Brand New
$113.97
Siemens 3RT2028-1BW40 power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 48 V DC, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0
Overview: Siemens 3RT2028-1BW40 SIRIUS Power Contactor
The Siemens 3RT2028-1BW40 is a high-performance SIRIUS 3RV2 power contactor designed for demanding industrial applications. With its robust construction and advanced features, it provides reliable switching for three-phase motors and other electrical loads. This specific model is rated for AC-3e/AC-3 operation, handling currents up to 38 A and motor power up to 18.5 kW at 400 V.
The compact Size S0 design saves valuable panel space, while the 48 V DC control voltage ensures efficient and reliable operation. Equipped with one normally open (NO) and one normally closed (NC) auxiliary contact, it offers enhanced flexibility for control circuits. The secure screw terminals ensure a quick and dependable connection, making it an ideal choice for a wide range of control and automation systems.
Key Features & Benefit
- High Performance & Reliability: Engineered to meet the rigorous demands of industrial automation, providing a long service life and dependable switching performance.
- Energy Efficient: The 48 V DC control coil reduces power consumption compared to AC coils, leading to lower operating costs and heat generation.
- Compact Design (Size S0): Optimizes panel real estate, allowing for more components in a smaller enclosure.
- Integrated Auxiliary Contacts (1NO + 1NC): Simplifies wiring and offers built-in feedback and control options without needing additional modules.
- Versatile Application: Suitable for a wide range of motor and load switching tasks in various industries.
- Secure & Easy Installation: Screw terminals provide a strong, reliable connection for both power and control wiring.
Technical Specifications (Function)
- Product Type: Power Contactor
- Product Number: 3RT2028-1BW40
- Brand: Siemens
- Series: SIRIUS 3RT2
- Rated Operational Current (Ie): 38 A (at AC-3e/AC-3)
- Rated Power (kW): 18.5 kW (at 400 V)
- Number of Poles: 3-pole
- Operating Voltage: 400 V AC (Main Circuit)
- Control Supply Voltage: 48 V DC
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Connection Type: Screw Terminal
- Frame Size: S0
- Standards: IEC, UL, CSA, CE Certified
- Mounting: DIN rail or screw mounting
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| Weight | 0.605 kg |
|---|---|
| Dimensions | 92 × 54 × 115.5 mm |
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