Welcome to our store! 1. EASY OPERATION: Features a dual power transfer switch, supporting both automatic and manual operation for quick switching without power interruption, ensuring stable and reliable power transmission. 2. WORKING PRINCIPLE: When the normal power supply is abnormal, the backup power supply will immediately engage, guaranteeing continuity, reliability, and safety of the power supply. 3. GOOD PERFORMANCE: The transfer switch offers excellent insulation, minimal interference, automatic switching and resetting, and stable performance, making it safe and practical. 4. APPLICABLE SCENES: Specifically designed for household rail installation, this switch is ideal for PZ30 distribution boxes and is suitable for homes, shopping malls, factories, laboratories, and more. 5. PLASTIC SHELL: The switch housing is made of PC material, providing good insulation, high temperature, and aging resistance. The silver contact enhances conductivity. Item Type: Transfer Switch Model: NLQ4-125 2P Material: PC, Silver Insulation Voltage: AC690V.50HZ Rated Voltage: AC400V.50HZ Rated Working Voltage: AC230V Grade: PC Specification: 2P Lifespan: Electrical: 2000 times, Mechanical: 5000 times Rated Short-Circuit Current: 50kA Fuse: RT16-00-63A Rated Impulse Withstand Voltage: 8kV Control Circuit: Rated Control Voltage Us: AC220V 85% Us-110% Us Auxiliary Circuit: 2 relays, each relay has 2 groups of contact capacity: AC220V50HZ le=5y Contact Time: <50ms Operating Switching Time: <50ms Reset Time: <50ms Closing Time: <50ms 1 x Transfer Switch 1 x User Manual Satisfaction Guarantee: Customer satisfaction is our top priority. If you encounter any issues with the product, please contact the seller immediately. We are committed to providing satisfactory customer service.