Overview
The Siemens SIRIUS 3RT2017-1FB42 is a high-performance, compact power contactor engineered for efficient and reliable switching of motors and other industrial loads up to 5.5 kW. Part of the renowned SIRIUS series, this 3-pole contactor is designed for AC-3e/AC-3 applications, offering robust performance and long service life. Its compact S00 size makes it ideal for space-constrained installations.
The integrated diode within the 24 V DC coil protects sensitive electronics from voltage spikes, ensuring operational stability. Featuring a convenient 1 Normally Closed (NC) auxiliary contact and secure screw terminals, the 3RT2017-1FB42 provides a versatile and dependable solution for various industrial automation and control systems.
Benefit
- Exceptional Reliability: Built with Siemens’s trusted engineering, ensuring a long operational lifespan and minimal downtime.
- Space-Saving Design: The compact S00 size allows for high-density panel layouts, optimizing valuable cabinet space.
- Enhanced Circuit Protection: The integrated diode in the 24 V DC coil prevents back EMF (electromotive force), protecting the control circuit and PLC outputs.
- Versatile Application: Suitable for a wide range of motor and non-motor loads, including heating, lighting, and power distribution systems.
- Easy Installation: The screw terminals provide a secure and straightforward connection, simplifying wiring and maintenance.
- Compliance & Safety: Certified for AC-3e/AC-3 applications, meeting modern efficiency standards and ensuring safe operation.
Key Features / Function
- Product Type: Power Contactor (SIRIUS 3RT2 series)
- Rated Operational Current (AC-3e/AC-3): 12 A
- Rated Power (AC-3e/AC-3): 5.5 kW at 400 V
- Number of Poles: 3-pole
- Coil Voltage: 24 V DC
- Coil Protection: Integrated diode for surge suppression
- Auxiliary Contacts: 1 NC (Normally Closed)
- Terminal Type: Screw terminals
- Size: S00
- Operational Class: AC-3e / AC-3
- Application: Switching motors, resistive loads, and other industrial equipment.
- Durability: High mechanical and electrical endurance for demanding industrial environments.
Product Specification
- Product Number: 3RT2017-1FB42
- Manufacturer: Siemens AG
- Series: SIRIUS
- Frame Size: S00
- Mounting Type: DIN rail or screw mounting
- Operating Temperature: -25°C to +60°C
- Standard Compliance: IEC 60947, UL, cUL
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