Siemens Power contactor, 3-pole, 2NO+2NC, 12A, 5.5kW

Product Overview

Power contactor, AC-3e/AC-3, 12 A, 5.5 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts: 2 NO + 2 NC, screw terminal, size: S00, captive auxiliary switch

This compact power contactor (Article Number: 3RT2017-1BB44-3MA0) is designed for reliable switching of three-phase motors and electrical loads in demanding industrial applications. 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, multiple auxiliary contacts, and Size S00 construction, this contactor provides dependable switching performance with screw terminal connections for secure wiring.

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 for DC control system compatibility
• Size S00 construction for compact industrial applications
• Screw terminal connections for secure and reliable wiring
• Auxiliary contacts: 2 NO + 2 NC for comprehensive control and feedback functions
• Captive auxiliary switch for enhanced control capabilities
• 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: 0.343 kg
• Packaging Dimensions: 50.00 x 61.50 x 120.50 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
• Pole Configuration: 3-pole
• Auxiliary Contacts: 2 NO + 2 NC
• Size: S00
• Terminal Type: Screw terminals
• Special Features: Captive auxiliary switch
• EAN: 4011209847262
• UPC: 662643911152

Applications

• Medium-power motor control up to 5.5 kW in industrial applications
• Pump control systems for water treatment and distribution
• Fan motor switching in HVAC systems
• Conveyor motor control in medium material handling
• Machine tool applications requiring reliable motor switching
• Process control systems with medium-power motor-driven equipment
• Manufacturing equipment with three-phase motor requirements
• Automation systems requiring dependable switching for medium loads
• Building automation systems with motor control needs
• DC control applications requiring 24V DC operation
• Industrial machinery requiring medium-power motor control
• Complex control systems benefiting from multiple auxiliary contacts
• Safety applications requiring comprehensive feedback and control

Installation Benefits

• Size S00 construction 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
• DC control compatibility with 24V DC control systems
• Compact footprint for space-efficient installations
• Multiple auxiliary contacts for comprehensive control integration
• Captive auxiliary switch for enhanced control flexibility

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
• Comprehensive auxiliary contacts for advanced control circuit integration
• Captive auxiliary switch for additional control options

Compatibility

• 24 V DC control systems for modern automation
• Three-phase motor applications up to 5.5 kW
• Industrial control panels with Size S00 mounting
• Motor control centers requiring compact contactors
• Process control systems with DC control voltage
• Standard DIN rail and panel mounting systems
• SIRIUS 3RT2 contactor family for system integration
• Building automation systems with DC motor control requirements
• Complex control systems requiring multiple auxiliary contacts
• Safety control systems requiring comprehensive feedback

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. Currently, there is no information on SVHC (Substances of Very High Concern) from the supply chain. The product is regularly compared with upstream user information regarding substances indicated in the candidate list in accordance with REACH regulation requirements.

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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