• Model: NXZM-400S/4B
• Rated Current: 400A
• Poles: 4 Poles
• Rated Voltage: 400V AC
• Frequency: 50/60Hz
• Transfer Type: Automatic
• Switching Time: ≤3 seconds
• Control Mode: Automatic & Manual
• Contact Material: Silver alloy contacts
• Protection Features:
  • Overload protection
  • Short circuit protection
  • Under-voltage and over-voltage protection
• Mechanical Life: 10,000 operations
• Operating Temperature Range: -25°C to 70°C
• Enclosure Material: Flame-retardant plastic
• Mounting: Surface or DIN rail mountable
  

The Chint 400A Automatic Transfer Switch (NXZM-400S/4B) is a high-capacity power switching solution designed to ensure seamless transfer between the main power source and a backup generator. Engineered for industrial, commercial, and large residential applications, this switch provides robust performance with enhanced safety features, including overload, short-circuit, and under-voltage protection. The automatic and manual control options offer flexibility, while its durable construction ensures reliable operation over extended periods.