Siemens SENTRON 3NJ63 Switch Disconnectors with Fuses

Introduction to the SENTRON 3NJ63 Series

This system manual provides comprehensive technical information for the Siemens SENTRON 3NJ63 In-Line Switch Plug-In Disconnectors with Fuses. It is designed for professionals involved in the selection, installation, configuration, and operation of low-voltage switchgear systems.

The SENTRON 3NJ63 series offers robust solutions for power distribution, featuring advanced capabilities such as electronic fuse monitoring and options for both manual and motorized operation. The devices are built to meet stringent industry standards, ensuring safety and reliability in demanding electrical environments.

Key Features:

• Compact, modular design for efficient space utilization.
• Available in multiple sizes (00, 1, 2, 3) and pole configurations (2, 3, 4-pole).
• Supports manual or motorized operating mechanisms.
• Integrated electronic fuse monitoring (EFM) options for enhanced safety and diagnostics.
• Type-tested according to IEC EN 60947-3.
• Suitable for various AC and DC voltage applications.

For detailed technical specifications, mounting instructions, and application examples, please refer to the respective sections within this manual.

For further information on Siemens low-voltage products, visit siemens.com/lowvoltage.