Usage Tips:Compliance and Versatility: This 4-pin main switch is rated for 16A and designed for 50Hz AC circuits with operating voltages below 440V. Its universal application includes use in electrical setups, enhancing its utility in both residential and commercial environments. and Flexible Installation: Encased in a robust plastic housing with four pre-embossed entries for M20 cable glands, this switch offers flexible cable management options. The diverse pre-embossing allows for multiple housing side installations, simplifying setup in complex systems. Enhanced Protection: Rated IP65, this waterproof switch is built to withstand harsh environmental conditions, making it perfect for outdoor applications. It ensures safe operation by effectively disconnecting power supply and managing circuit connections without an arc extinguishing feature. Compact and Safe Design: The switch features a compact size and a meticulously crafted design with superior insulation materials. It includes a finger protection function to safety and reliability during use, catering to a wide range of power management needs. Wide Application: Ideal as a primary switch for systems such as ventilation units, air conditioners, water pumps, and solar energy systems. It can also directly control AC motors with small capacity, offering a practical solution for managing power in multiple setups. (slight color difference or difference in kind not affect the use) Color: As Shown Material: plastic Package Contents: 1 * main switch circuit breaker 16 A 4pin Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.