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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2017-2FB42 |
| Alternative Part Number | 3RT20172FB42 |
| Manufacturer | Siemens |
| Contactor Size | S00 |
| Operating Voltage | Up to 690 V AC at AC-3 |
| Operating Current | 12 A at AC-3, 400 V |
| Power Rating | 5.5 kW at 400 V AC-3 |
| Auxiliary Contacts | 1 Normally Closed (NC) |
| Coil Voltage | 24 V DC with integrated diode |
| Connection Type | Spring-loaded terminal |
| Mechanical Service Life | 30 million switching cycles for contactor, 10 million with auxiliary switch block |
| Shock Resistance | 7.3g / 5 ms, 4.7g / 10 ms at DC rectangular impulse; 11.4g / 5 ms, 7.3g / 10 ms at DC sine pulse |
| Ambient Operating Temperature | -25 to +60 °C during operation |
| Storage Temperature | -55 to +80 °C |
| Protection Class | IP20 on the front |
| Installation Altitude | Up to 2000 metres above sea level |
| Pollution Degree | 3 |
| Electrical Endurance | High switching frequency and electrical endurance |
| Safety Related Features | Mirror contact according to IEC 60947-4-1 |
| Approvals | General Product Approval, EMC, KC, Functional Safety/Safety of Machinery |
The Siemens 3RT2017-2FB42 is a robust power contactor designed to handle moderate power switching applications within industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in automating processes. With a capacity to manage AC-3 loads up to 12 A and motor control for 5.5 kW at 400 V, it is an ideal choice for a variety of applications.
The unit features a single normally closed (NC) contact and operates with a 24 V DC control voltage, integrated with a diode for surge suppression. Its compact size, classified as size S00, makes it suitable for space-constrained installations, while the spring-loaded terminal design ensures a secure and maintenance-free electrical connection.
Engineered for durability, the 3RT2017-2FB42 boasts a mechanical service life of up to 30 million switching cycles, ensuring long-term performance and reduced downtime. The contactor is also designed with safety in mind, featuring finger-safe protection and an IP20 rating, which guards against the ingress of solid objects.
This power contactor is versatile and can be used in a range of industrial applications, including motor control centres, conveyor systems, and HVAC installations. Its straightforward design allows for easy integration into existing systems, making it a practical choice for both new installations and upgrades to existing setups.
Overall, the Siemens 3RT2017-2FB42 power contactor is a reliable and efficient solution for controlling motors and loads in industrial settings, offering both performance and safety in a compact package.
Commonly Asked Questions
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Frequently Asked Questions
What is the rated operational current for this contactor in an AC-3 utilisation category?
The rated operational current for the contactor in an AC-3 utilisation category at 400 V is 12 A.
Can this contactor be used for safety-related switching off?
Yes, this contactor is suitable for safety-related switching off applications.
What is the coil voltage for this contactor?
The coil voltage for this contactor is 24 V DC with an integrated diode.
What type of terminal does this contactor have for the main circuit connection?
This contactor is equipped with spring-loaded terminals for the main circuit connection.
What is the IP protection class for the front of this contactor?
The front of the contactor has an IP20 protection class.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 30 million switching cycles.
What are the dimensions of this contactor?
The dimensions of the contactor are 70 mm in height, 45 mm in width, and 73 mm in depth.
Is this contactor equipped with auxiliary contacts?
Yes, the contactor comes with 1 normally closed (NC) auxiliary contact.
What is the maximum operating voltage for this contactor in an AC-3 category?
The maximum operating voltage for the contactor in an AC-3 category is 690 V.
How can this contactor be mounted?
The contactor can be mounted using screw and snap fitting on a 35 mm DIN rail according to DIN EN 60715.
