Siemens 3RT2026-1BB40 is a part of the SIRIUS contactor series, designed for switching motors and other loads in industrial applications. Here are the key features and technical specifications of this specific contactor:

Key Features:

1. Application:
   • Designed for switching motors in industrial control applications.
   • Suitable for use in various automation systems.
2. Performance:
   • High reliability and long operational life.
   • Capable of handling high switching frequencies.
3. Design:
   • Compact and modular design, fitting seamlessly into control panels and systems.
   • Easy installation and maintenance.

Technical Specifications:

• Manufacturer: Siemens
• Product Family: SIRIUS
• Model Number: 3RT2026-1BB40
• Contactor Type: Power contactor

Electrical Characteristics:

• Operating Voltage:
  • Main Circuit: 400 V AC
  • Control Circuit: 24 V DC
• Rated Operational Current:
  • AC-3 (at 400 V): 25 A
• Power Rating:
  • AC-3 (at 400 V): 11 kW (for 3-phase motors)
• Frequency: 50/60 Hz

Performance Characteristics:

• Electrical Life:
  • AC-3: High switching capacity and endurance
• Mechanical Life: Long lifespan with robust design

Auxiliary Contacts:

• Configuration: 1 NO + 1 NC (Normally Open + Normally Closed)
• Auxiliary Contact Rating: 10 A

Mechanical Characteristics:

• Mounting:
  • DIN Rail: Standard DIN rail mounting
  • Screw Mounting: Optional
• Dimensions: Compact design suitable for space-constrained applications
• Weight: Lightweight for easy handling and installation

Environmental Conditions:

• Operating Temperature Range: -25°C to +60°C
• Protection Rating: IP20 (suitable for installation within an enclosure)

Applications:

1. Motor Control:
   • Switching and controlling AC motors in industrial machinery.
2. Industrial Automation:
   • Used in automation systems for various control tasks.
3. Power Distribution:
   • Employed in power distribution systems for reliable switching operations.
4. Process Control:
   • Suitable for controlling processes in manufacturing and production lines.

Benefits:

• Reliability: High-quality construction ensures reliable operation in demanding environments.
• Ease of Use: Simple installation and maintenance, reducing downtime.
• Compatibility: Compatible with a wide range of Siemens automation and control products.

The Siemens 3RT2026-1BB40 contactor is a versatile and reliable component for motor switching and other industrial control applications, offering robust performance and ease of integration into various control systems.