Siemens 3NJ4133-3BF11

The Siemens 3NJ4133-3BF11 is a digital industrial fuse switch disconnector designed for use in low-voltage distribution systems. With a rated current of 400 A and a maximum rated operational AC voltage of 690 V, this device provides a reliable solution for power distribution in various applications, including main and transformer stations as well as cable distribution cabinets. The disconnector is capable of supporting both single-pole and three-pole circuits and is characterized by its robust construction, which meets the requirements of IEC/EN 60439-1 and IEC/EN 60947-3. The design allows for flexible installation in either vertical or horizontal orientation and provides a parking position for maintenance work. With an ingress protection rating of IP30 for closed handle applications and IP10 for open handle applications, the switch ensures additional safety and user-friendliness.

• Compliance with IEC/EN 60439-1 and IEC/EN 60947-3
• Maximum rated operational AC voltage of 690 V
• Parking position for maintenance work
• Flexible installation orientation (vertical and horizontal)
• Climate-resistant
• Ingress protection rating IP30 with closed handles and IP10 with open handles.