Siemens Power contactor, screw, 1NO, 3-pole, 24VDC, 12A

Product Overview

Power contactor, AC-3e/AC-3, 12 A, 5.5 kW / 400 V, 3-pole, 24 V DC, 0.7-1.25 Uc, with integrated suppressor diode, auxiliary contacts: 1 NO, screw terminal, frame size: S00, suitable for PLC outputs, no auxiliary switch can be added*

This compact power contactor (Article Number: 3RT2017-1KB41) is designed for reliable switching of three-phase motors and electrical loads in demanding industrial applications with direct PLC integration. The device features a 3-pole configuration with AC-3e/AC-3 rating of 12 A at 5.5 kW / 400 V, making it suitable for medium-power motor control applications. With 24 V DC coil voltage, wide voltage range operation, and integrated suppressor diode, this contactor provides dependable switching performance optimized for direct connection to PLC outputs.

Key Features

• 3-pole power contactor for three-phase motor control
• AC-3e/AC-3 rating: 12 A, 5.5 kW / 400 V for reliable medium-power motor switching
• 24 V DC coil voltage with wide voltage range (0.7-1.25* Uc)
• Integrated suppressor diode for built-in coil protection
• Frame size S00 for compact industrial applications
• Screw terminal connections for secure and reliable wiring
• Auxiliary contacts: 1 NO for control and feedback functions
• PLC output compatibility for direct connection to programmable logic controllers
• Compact design suitable for space-constrained applications
• Robust construction for demanding industrial environments
• High switching reliability for critical applications
• SIRIUS 3RT2 series representing the latest contactor technology

Technical Specifications

• Net Weight: 0.290 kg
• Packaging Dimensions: 50.00 x 61.50 x 77.50 mm
• Packaging Quantity: 1 piece
• Quantity Unit: 1 Piece
• Country of Origin: Germany
• Rated Current: 12 A (AC-3e/AC-3)
• Power Rating: 5.5 kW / 400 V
• Coil Voltage: 24 V DC (0.7-1.25* Uc)
• Pole Configuration: 3-pole
• Auxiliary Contacts: 1 NO
• Frame Size: S00
• Terminal Type: Screw terminals
• Special Features: Integrated suppressor diode, PLC output compatible
• Auxiliary Switch: Cannot be added
• EAN: 4011209846968
• UPC: 662643911329

Applications

• PLC-controlled motor applications up to 5.5 kW in industrial automation
• Pump control systems with direct PLC interface
• Fan motor switching in automated HVAC systems
• Conveyor motor control in automated material handling
• Machine tool applications requiring PLC integration
• Process control systems with medium-power motor-driven equipment
• Manufacturing equipment with automated three-phase motor control
• Automation systems requiring direct PLC output connection
• Building automation systems with PLC-controlled motor drives
• Industrial machinery requiring reliable PLC-compatible motor control
• Robotics applications with medium-power motor requirements

Installation Benefits

• Frame size S00 for compact applications
• Secure connections with screw terminal design
• Reliable operation in demanding industrial environments
• Easy installation with standard mounting methods
• Professional appearance maintaining system aesthetics
• Direct PLC connection eliminating need for external protection circuits
• Compact footprint for space-efficient installations
• Auxiliary contact integration for control and feedback functions
• Wide voltage range for flexible system integration

Power Contactor Advantages

• Enhanced motor protection through reliable switching operation
• Optimal switching capacity for AC-3e/AC-3 motor loads up to 5.5 kW
• Long operational life with robust contact design
• Electrical isolation between control and power circuits
• Overload handling suitable for motor starting applications
• Compact S00 design for space-constrained applications
• Proven reliability in medium-power motor control
• Integrated auxiliary contacts for control circuit integration
• Built-in coil protection with integrated suppressor diode
• PLC optimization for direct programmable logic controller interface

Compatibility

• 24 V DC PLC outputs for direct connection to programmable logic controllers
• Three-phase motor applications up to 5.5 kW
• Industrial control panels with Frame S00 mounting
• Motor control centers requiring PLC-compatible contactors
• Automated process control systems with PLC integration
• Standard DIN rail and panel mounting systems
• SIRIUS 3RT2 contactor family for system integration
• Building automation systems with PLC-controlled motor drives
• Industrial automation systems requiring wide voltage range operation

Product Classifications

• eClass: 27-37-10-03
• ETIM: EC000066
• UNSPSC: 39-12-15-29

Compliance & Certifications

• Export Control: AL: N / ECCN: N
• RoHS Compliance: Since 01.10.2009
• WEEE Take-Back Obligation: Yes

REACH Compliance This product complies with REACH regulation requirements. Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which Lead is contained in concentrations higher than 0.1% weight by weight (w/w). Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

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For technical documentation and CAD files, please visit:

• Official Product Datasheet (PDF)
• Siemens Industry Mall Product Page
• Siemens PARTcommunity for 3D CAD Models
• Siemens Technical Support Center for technical documentation requests