Under and Over Voltage Protection Circuit Using Comparators. This voltage protection circuit is designed to develop a low-voltage and high-voltage tripping mechanism to protect a load from damage. In many homes and industries, fluctuations in AC mains supply occur frequently.

Specifications:

• Rated working voltage: AC 230V/50Hz
  
• Rated working current: 40A
• Maxwithstand current 3000A below 40A, 4500A above 50A (action time 10ms)
• Over-voltage protection value: 240V-300V
• Under voltage protection value: 140V-200V
• Automatic closing delay: 0-30s, factory default 30s
• Action time : 0-30s , factory default 30s
• Own power consumption: ≤ 1.5w
• Motor mechanical life : ≥ 100,000 times
• Dimensions: 80*37*66mm (L*W*H)
• Working environment temperature range: -25 C – 55 C
• Relative humidity : 45-90% RH, 40C
• Altitude: ≤ 2000m
• Pollution level: 2 Class

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Package includes:

    1 x  BEVAV V/A Adjustable Under and Over Voltage Protector 40A