Title: Siemens SIRIUS 3RT1024-1B Power Contactor, Size S0, 17A AC-3, 24V DC Coil, 1NO+1NC Auxiliary Contacts

Product Overview: The Siemens SIRIUS 3RT1024-1B is a high-performance, compact 3-pole power contactor designed for reliable switching of AC motors, resistive loads, and other industrial applications. Part of the globally recognized SIRIUS modular system, this contactor offers exceptional durability, energy efficiency, and ease of integration into control panels and automation systems. With its robust design and precise 24V DC coil control, the 3RT1024-1B ensures long-term operational stability and safety in demanding industrial environments. Its integrated auxiliary contacts (1 Normally Open + 1 Normally Closed) provide essential feedback and interlocking capabilities, making it an ideal choice for complex control circuits. Engineered to meet international standards, this Siemens contactor is a cornerstone for efficient and dependable power switching solutions.

Key Features & Benefits:

Compact, Space-Saving Design: Optimizes panel space, allowing for more efficient cabinet layouts and reducing overall system footprint.
High Switching Capacity: Rated for 17A AC-3 at 400V, making it suitable for a wide range of motor control and general load switching applications.
Integrated Auxiliary Contacts: Features 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact for signaling, interlocking, and control circuit integration, simplifying wiring.
Efficient 24V DC Coil: Provides reliable and precise control, consumes less power compared to AC coils, and is ideal for modern DC-controlled automation systems.
Robust and Durable Construction: Engineered for a long mechanical and electrical service life, ensuring high reliability and reduced maintenance.
Easy Installation: Designed for quick and secure mounting on DIN rails or with screws, featuring user-friendly screw terminals for straightforward wiring.
Modular System Compatibility: Seamlessly integrates with other Siemens SIRIUS components, such as overload relays, auxiliary switch blocks, and surge suppressors, for flexible system expansion.
Global Standards Compliance: Meets IEC/EN standards, ensuring suitability for international use and adherence to safety regulations.
Optimized for Motor Control: Specifically designed for starting, stopping, and reversing AC motors in various industrial machinery and processes.

Applications:

Motor control for pumps, fans, compressors, and conveyors
Heating and ventilation systems (HVAC)
Lighting control systems in industrial and commercial buildings
General load switching in automation and control panels
Machine tools and processing equipment
Packaging machinery
Material handling systems
Power distribution and circuit control in industrial plants
Building automation systems

Technical Specifications:

Part Number: 3RT1024-1B
Alternative Part Number: 3RT10241B
Manufacturer: Siemens
Product Series: SIRIUS 3RT
Contactor Size: S0
Number of Poles: 3-pole
Rated Operational Current (AC-3, 400V): 17 A
Rated Operational Current (AC-1, 400V): 35 A
Control Supply Voltage: 24 V DC
Auxiliary Contacts: 1 NO + 1 NC (integrated)
Rated Insulation Voltage (Ui): 690 V
Rated Impulse Withstand Voltage (Uimp): 6 kV
Operating Temperature Range: -25 to +60 °C
Mounting Type: DIN rail or screw mounting
Terminal Type: Screw terminals
Mechanical Life: Approximately 10 million switching cycles
Electrical Life (AC-3): Approximately 1 million switching cycles
Weight: Approximately 0.35 kg