3TS3700-0AR04-8KA0 | Power Contactor 50 A, 4 Pole, 415 V AC, A3 Duty, Size 2 – Siemens

Product Overview

The 3TS3700-0AR04-8KA0 is a high-performance power contactor manufactured by Siemens, designed for reliable switching of electrical loads in industrial and commercial applications. With a robust construction and advanced features, this contactor ensures efficient operation and long service life.

Key Features

• Rated Current: 50 A
• Number of Poles: 4
• Rated Voltage: 415 V AC
• Duty Class: A3 (Suitable for starting and stopping squirrel-cage motors)
• Size: 2
• Contact Material: Silver alloy for high durability and low contact resistance
• Coil Voltage: 230 V AC
• Mounting: DIN rail or screw mounting
• Mechanical Life: Up to 10 million operations
• Electrical Life: Up to 1 million operations at rated load
• Enclosure Rating: IP20 (Protection against touch and foreign objects)
• Compliance: Meets international standards such as IEC 60947-4-1

Applications

The 3TS3700-0AR04-8KA0 is ideal for use in:

• Motor control circuits
• Industrial automation systems
• HVAC systems
• Power distribution panels
• Lighting control systems

Technical Specifications

Advantages

• High switching capacity for demanding applications
• Compact design for space-saving installation
• Reliable performance under harsh conditions
• Easy to install and maintain
• Compatible with Siemens auxiliary contact blocks and accessories

Warranty

This product comes with a standard manufacturer warranty of 2 years, covering defects in materials and workmanship.

Contact Information

For more information or to place an order, please contact your local Siemens distributor or visit the official Siemens website.