3LD3440-1TK11 SIEMENS

The 3LD3440-1TK11 from Siemens is a robust and reliable load disconnector designed for main switch applications. This 3-pole switch is engineered to handle a rated operational current (Iu) of 63A, making it suitable for demanding industrial environments. Its primary function is to safely disconnect electrical loads, ensuring the safety of personnel and equipment during maintenance or emergencies. With a rated operating capacity of 22.0 kW at AC-23A and 400V, it provides ample power handling capabilities for various motor control and power distribution applications. The switch is designed for floor mounting and features a basic switch configuration with door coupling, enhancing safety by preventing unauthorized access during operation. It utilizes a central hole mounting system with a 22.5mm diameter, simplifying installation and ensuring secure placement. The toggle drive, finished in black and measuring 48x48 mm, offers a user-friendly interface for manual operation. Furthermore, the inclusion of one normally open (1OE) and one normally closed (1S) auxiliary switch provides additional flexibility for control and monitoring circuits. This auxiliary switch allows for remote indication of the switch's position, enhancing overall system control and safety.