Overview
The Siemens 3RT2017-1BM42 SIRIUS Power Contactor is a high-performance, 3-pole switching device designed for reliable control of electric motors and other loads in industrial applications. As part of the SIRIUS modular system, this contactor is engineered for seamless integration into a wide range of control circuits. It meets both AC-3e and AC-3 standards, making it suitable for standard switching of asynchronous motors up to 5.5 kW at 400 V. The compact S00 size allows for space-saving installation in control cabinets, while the robust screw terminals ensure a secure and reliable connection.
Key Benefit
- High Performance: Capable of handling demanding applications with a rated operational current of 12 A (AC-3e/AC-3) and a power rating of 5.5 kW at 400 V.
- Energy Efficient: The 220 V DC operating coil ensures low power consumption and high reliability, even in fluctuating voltage conditions.
- Space-Saving Design: The compact S00 size minimizes the footprint in control panels, allowing for denser equipment layouts.
- Integrated Safety: Comes with one normally closed (1 NC) auxiliary contact, providing a clear feedback signal for control and safety circuits.
- Easy and Secure Installation: Features robust screw terminals that guarantee a durable and vibration-resistant connection, simplifying wiring and maintenance.
- Versatile Application: Ideal for switching motors, heating elements, and other resistive or inductive loads in a variety of industrial settings.
- Trusted Quality: As a genuine Siemens SIRIUS product, the 3RT2017-1BM42 is manufactured to the highest quality standards, ensuring long-term reliability and performance.
Function & Technical Specification
The Siemens 3RT2017-1BM42 functions as a primary switching device in a power circuit. When its 220 V DC control voltage is applied to the coil, it electromagnetically closes the main power contacts, allowing current to flow to the connected load.
- Product Number: 3RT2017-1BM42
- Product Type: Power Contactor
- Operating Voltage: 220 V DC (Control Coil)
- Main Poles: 3-pole
- Rated Operational Current: 12 A (AC-3e/AC-3)
- Rated Operational Power: 5.5 kW at 400 V (AC-3e/AC-3)
- Auxiliary Contacts: 1 Normally Closed (NC)
- Connection Type: Screw Terminals
- Size: S00
- Series: SIRIUS 3RT2
- Compatibility: Part of the modular Siemens SIRIUS system, compatible with a wide range of accessories like auxiliary contact blocks, surge suppressors, and thermal overload relays.
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