1. Stable Use: Safely manage 20A current loads in 380V electrical systems and provide reliable circuit control to ensure smooth operation of electrical equipment and maintain performance. 2. Comprehensive Circuit Management: Featuring a 4P rotary ON OFF control design to manage multiple circuits simultaneously, ideal for complex electrical systems with 4 pin control. 3. Durable Build: With a sealed enclosure design, this load isolation switch delivers exceptional outdoor performance in harsh environments, maintaining seamless ON/OFF control thanks to waterproof and dustproof protection, even in humid or dusty conditions. 4. Convenient Adjustment: Equipped with a simple and intuitive twist ON/OFF control design for quick circuit adjustments. The sealed circuit breakers are suitable for most common usage scenarios.