Siemens Switch disconnector, rotary operated, 1NC 1NO, black

The SENTRON 3LD switch disconnector delivers advanced switching capabilities with its 6-pole configuration and integrated auxiliary contacts. This main switch combines reliable power switching with control functionality, featuring molded-plastic encapsulation for enhanced durability and safety in industrial applications.

Key Technical Specifications:

• Rated Current (Iu): 25 A
• Operating Power: 9.5 kW at AC-23 A at 400 V
• Pole Configuration: 6-pole main switch
• Auxiliary Contacts: 1 NC (Normally Closed), 1 NO (Normally Open)
• Connection Type: Metric screw connection with molded-plastic encapsulation
• Operating Mechanism: Rotary operating mechanism, black finish

Advanced Design Features: The molded-plastic encapsulation provides superior protection against environmental factors while ensuring safe operation. The metric screw connection system offers secure and reliable electrical connections suitable for various industrial applications. The integrated auxiliary contacts enable remote monitoring and control circuit integration.

Control Integration: The built-in auxiliary contacts (1 NC + 1 NO) allow seamless integration with control systems, enabling remote indication of switch position and integration with automation systems. This feature is essential for modern industrial control applications requiring feedback and monitoring capabilities.

Applications: Ideal for main switch applications in industrial control panels, motor control centers, and power distribution systems where both power switching and control functionality are required. The 6-pole configuration makes it suitable for complex electrical systems requiring multiple circuit control with auxiliary signaling.

Technical Details:

• Article Number: 3LD2165-4VD51
• Product Family: Basic Devices - SENTRON Series
• Net Weight: 0.865 kg
• Packaging Dimensions: 152 x 202 x 149 mm
• Country of Origin: Germany
• Standard Lead Time: 3 days ex-works
• EAN: 4011209493186
• UPC: 754554767086
• Commodity Code: 85365080

Installation Benefits:

• Molded-plastic encapsulation for enhanced safety
• Metric screw connections for reliable termination
• Compact design optimizes panel space utilization
• Quick 3-day lead time ensures rapid project delivery

Compliance & Certifications:

• RoHS compliant
• WEEE directive compliant
• REACH regulation compliant
• Product classification: Standard stock item with return eligibility

Download existing graphical data for this product:

• Technical Data Sheet (PDF)
• CAD Data (EPLAN)
• Product Support Page
• Installation Instructions
• Dimensional Drawings
• Wiring Diagrams with Auxiliary Contacts
• Connection Specifications

Additional Resources:

• Siemens Industry Mall Product Page
• SENTRON Product Family Overview
• Industry Support Portal