3TH3031-0BB4 | Contactor Relay, 24 V DC – Siemens

Product Overview

The 3TH3031-0BB4 is a high-quality contactor relay manufactured by Siemens, designed for reliable switching of electrical circuits. It operates on a 24 V DC supply, making it suitable for a wide range of industrial and commercial applications.

Key Features

• Voltage Rating: 24 V DC
• Contact Configuration: 3NO (3 Normally Open Contacts)
• Rated Current: 10 A
• Switching Capacity: Up to 2.2 kW at 230 V AC
• Mechanical Life: 10 million operations
• Electrical Life: 1 million operations
• Coil Power Consumption: 1.8 W
• Mounting Type: DIN Rail Mounting
• Operating Temperature Range: -25°C to +60°C
• Protection Class: IP20
• Dimensions: 45 mm x 55 mm x 78 mm (W x H x D)
• Weight: Approx. 200 g

Applications

The 3TH3031-0BB4 contactor relay is ideal for use in various applications, including:

• Motor control circuits
• Lighting control systems
• Heating and ventilation systems
• Industrial automation
• Power distribution systems

Advantages

• High reliability and durability
• Compact design for space-saving installation
• Easy to install and maintain
• Compatible with standard DIN rails
• Low power consumption

Technical Specifications

Conclusion

The Siemens 3TH3031-0BB4 contactor relay is a robust and efficient solution for controlling electrical circuits in various industrial and commercial settings. Its compact design, high reliability, and ease of installation make it a preferred choice for engineers and technicians.