Ensure uninterrupted power supply with this high-performance Double Power Automatic Transfer Switch, model NLQ4 125 4P. Designed with durable flame retardant PC material and high-conductivity silver contacts, this switch guarantees excellent insulation, reliable transmission, and safe, stable operation. Featuring millisecond-level automatic and manual switching capabilities, it seamlessly transfers power between main and backup sources, making it ideal for environments where continuous power is critical. Key Features: · Millisecond Fast Switching: Enables automatic or manual operation with switching times under 50ms, ensuring zero downtime during power transitions. · Superior Insulation and Durability: Crafted from flame retardant PC grade material with silver contacts for outstanding high-temperature resistance, anti-aging properties, and reliable conductivity. · Reliable Power Continuity: Automatically switches to backup power immediately upon main power failure, maintaining uninterrupted electricity supply for enhanced safety and operational stability. · Robust Electrical Specifications: Rated for 50Hz and 60Hz frequencies, with a rated voltage of AC 400V and insulation voltage up to AC 690V, supporting a rated short circuit current of 50kA to handle demanding electrical loads. · Long Service Life: Engineered for durability with an electrical life of 2000 cycles and mechanical life of 5000 operations, ensuring consistent performance over time. · Comprehensive Control Circuit: Equipped with two relays, each providing two contact sets rated at AC 220V 50Hz, facilitating reliable switching control. · Wide Application Range: Perfect for critical environments such as homes, shopping malls, factories, laboratories, and farms, where power interruptions cannot be tolerated. Specifications: · Item Type: Double Power Automatic Transfer Switch · Model: NLQ4 125 4P · Material: PC (flame retardant), Silver contacts · Rated Frequency: 50Hz / 60Hz · Insulation Voltage: AC 690V 50Hz · Rated Voltage: AC 400V 50Hz · Specification: 4P · Electrical Life: 2000 times · Mechanical Life: 5000 times · Rated Short Circuit Current: 50kA · Fuse: RT16 00 63A · Rated Impulse Withstand Voltage: 8kV · Control Circuit Voltage: AC 220V (85% Us – 110% Us) · Auxiliary Circuit: Two relays, each with two contact sets rated at AC 220V 50Hz · Touch Time, Operation Conversion Time, Return Time, Closing Time: All less than 50ms Package Includes: · 1 x Double Power Automatic Transfer Switch NLQ4 125 4P Designed to provide seamless switching between primary and standby power sources, this Double Power Automatic Transfer Switch enhances power reliability and safety. Its compact structure, rapid response, and robust build make it an essential solution for critical power applications demanding continuous and stable electricity supply.