Power contactor, AC-3e/AC-3, 7 A, 3 kW / 400 V, 3-pole, 24 V DC, auxiliary contacts Part number 3RT2015-1BB41-1AA0

Product Overview

The Siemens SIRIUS Power Contactor 3RT2015-1BB41-1AA0 is a compact three-pole contactor (Size S00) designed for reliable switching and control of electric motors and other loads in industrial environments. It operates with a 24 V DC control coil, provides a rated operational current of 7 A (AC-3, 400 V) for up to around 3 kW motor loads, and includes one normally-open (NO) auxiliary contact. Its compact and robust design ensures long service life and easy integration into control panels and automation systems.

Key Features

• Rated Current: 7 A (AC-3, 400 V) for motor power up to approx. 3 kW
• Control Coil Voltage: 24 V DC for safe and consistent actuation
• Auxiliary Contact: 1 NO contact for signalling and control functions
• Compact Size S00: Ideal for limited space installations in control panels
• Mounting Options: DIN-rail or screw mounting
• Terminals: Screw-type for reliable, secure wiring
• Operating Temperature: –25 °C to +60 °C
• Mechanical Durability: Up to 30,000,000 operations

Technical Specifications

• Product Series: SIRIUS 3RT2 contactor family
• Poles for Main Circuit: 3 (three-pole)
• Rated Operational Current (AC-3, 400 V): 7 A
• Rated Motor Power (AC-3, 400 V): ~3 kW
• Control Coil Voltage: 24 V DC
• Auxiliary Contacts: 1 NO
• Insulation Voltage: 690 V AC
• Surge Voltage Resistance: 6 kV (main and auxiliary circuits)
• Protection Class: IP20 (finger-safe terminal design)
• Operating Ambient Temperature: –25 °C to +60 °C
• Installation Altitude: Up to 2,000 m above sea level
• Mechanical Service Life: 30,000,000 operations (typical)
• Dimensions (W × D × H): 45 mm × 73 mm × 58 mm
• Country of Origin: Germany

Compliance & Certifications

• IEC 60947-4-1: Standard for low-voltage contactors and motor starters
• UL / CSA Certified: For industrial control use in North America
• CE Marking: Complies with EU Low Voltage and Machinery Directives
• EAC Certification: Conforms to Eurasian Economic Union requirements
• RoHS Compliant: Free from restricted substances
• REACH Conformant: Meets EU chemical safety standards
• China RoHS Compliant: Environmentally safe material composition
• Protection Class: IP20 (finger-safe terminals)

Applications

Ideal for controlling and protecting three-phase motors in industrial automation systems, machine tools, conveyors, and packaging equipment. Commonly used in HVAC units, process machinery, and material-handling installations where compact, efficient, and durable motor control is