Siemens 24V DC contactor, 3-pole, 2NO + 2NC, 17A, 7.5kW

Product Overview

Power contactor, AC-3e/AC-3, 17 A, 7.5 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts: 2 NO + 2 NC, screw terminal, size: S0, removable auxiliary switch

This robust power contactor (Article Number: 3RT2025-1BB44) 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 17 A at 7.5 kW / 400 V, making it suitable for medium to high-power motor control applications. With 24 V DC coil voltage, multiple auxiliary contacts, and Size S0 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: 17 A, 7.5 kW / 400 V for reliable medium to high-power motor switching
• 24 V DC coil voltage for DC control system compatibility
• Size S0 construction for robust industrial applications
• Screw terminal connections for secure and reliable wiring
• Auxiliary contacts: 2 NO + 2 NC for comprehensive control and feedback functions
• Removable auxiliary switch for flexible configuration and maintenance
• Robust design suitable for demanding industrial environments
• High switching reliability for critical applications
• SIRIUS 3RT2 series representing the latest contactor technology

Technical Specifications

• Net Weight: 1.422 lb
• Packaging Dimensions: 2.126 x 3.622 x 6.26 in
• Packaging Quantity: 1 piece
• Quantity Unit: 1 Piece
• Country of Origin: Germany
• Rated Current: 17 A (AC-3e/AC-3)
• Power Rating: 7.5 kW / 400 V
• Coil Voltage: 24 V DC
• Pole Configuration: 3-pole
• Auxiliary Contacts: 2 NO + 2 NC
• Size: S0
• Terminal Type: Screw terminals
• Special Features: Removable auxiliary switch
• EAN: 4011209837270
• UPC: 662643914368

Applications

• Medium to high-power motor control up to 7.5 kW in industrial applications
• Pump control systems for water treatment and distribution
• Fan motor switching in HVAC systems
• Conveyor motor control in material handling applications
• Machine tool applications requiring reliable motor switching
• Process control systems with medium to high-power motor-driven equipment
• Manufacturing equipment with three-phase motor requirements
• Automation systems requiring dependable switching for higher loads
• Building automation systems with motor control needs
• DC control applications requiring 24V DC operation
• Industrial machinery requiring robust motor control
• Complex control systems benefiting from multiple auxiliary contacts
• Maintenance-intensive applications benefiting from removable auxiliary switch

Installation Benefits

• Size S0 construction for robust industrial 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
• Multiple auxiliary contacts for comprehensive control integration
• Removable auxiliary switch for flexible configuration and easy maintenance
• Robust footprint for stable mounting in industrial environments

Power Contactor Advantages

• Enhanced motor protection through reliable switching operation
• Optimal switching capacity for AC-3e/AC-3 motor loads up to 7.5 kW
• Long operational life with robust contact design
• Electrical isolation between control and power circuits
• Overload handling suitable for motor starting applications
• Robust S0 design for demanding industrial applications
• Proven reliability in medium to high-power motor control
• Multiple auxiliary contacts for comprehensive control circuit integration
• Removable auxiliary switch for enhanced flexibility and serviceability

Compatibility

• 24 V DC control systems for modern automation
• Three-phase motor applications up to 7.5 kW
• Industrial control panels with Size S0 mounting
• Motor control centers requiring robust 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
• Maintenance-intensive applications requiring removable auxiliary switches

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
• Returnable: 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