The 3NJ6900-4HH21 ammeter from Siemens is a precise measuring instrument specifically designed for use in load break switches with fuses. It allows for the monitoring of currents up to 300 A and offers a high accuracy of class 1. The device is suitable for AC applications and features a modular design that facilitates easy integration into existing systems. With a plug-in design and a terminal-side plug connection, installation is significantly simplified. The ammeter is part of a comprehensive range of accessories that enhances the flexibility and adaptability of load break switches. It complies with the international standards of IEC EN 60947-3 and provides high personal protection and maintenance-free operation, making it a reliable choice for industrial applications.

• High accuracy of class 1 for precise measurements
• Modular design for easy integration into existing systems
• Plug-in design for straightforward installation
• Complies with IEC EN 60947-3 standards
• Offers high personal protection and maintenance-free operation.