Voltmeter switch 3-phase, 3-phase-N CS 16 66 U 004773089

Voltage selector switch for measuring voltages in three-phase networks

This voltage selector switch, designated CS 16 66 U, is a reliable tool for selecting and measuring voltages in three-phase (3f) and three-phase with neutral (3f-N) installations. It enables precise reading of both phase and line-to-line voltage, making it useful for both diagnostics and network monitoring.

Functionality and application

This switch is used in a wide range of electrical installations – from industrial facilities to commercial and residential buildings. Thanks to the ability to measure different voltage configurations, it is a versatile device for installers involved in servicing, modernization or new installations. Using the switch allows for quick identification of voltage problems, which translates into effective troubleshooting and minimizing downtime.

Constructional features and safety

The design of the switch ensures safe and convenient operation. The IP20 degree of protection indicates protection against contact with solid foreign objects with a diameter greater than 12.5 mm. The presence of the "0" position allows for complete disconnection of the circuit during measurements or maintenance, increasing work safety. The lack of a regulating/control element means focusing solely on the switching and voltage measurement function, which simplifies the operation of the device.