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EPEPRO 100A Automatic Transfer Switch 220V 2P ATS with LCD Display, Real-Time Voltage Current Monitoring for Generator Solar Utility Power

Model number EPRX-100PF
Brand EPEPRO
Rated Current 100A
Rated Voltage 220V
Supply terminals N,L1,L2,L3
Rated supply voltage AC 3 * 220V(N-L1/L2/L3)
Rated frequency 40/50/60/70Hz
Umax setting range 110 – 300V
Umin setting range 80 – 220V
Auto – reclosing delay(Ton) 1 – 600s
Return delay to priority phase 1 – 600s
Switch delay to reserve phases <0.2s
Voltage hysteresis 5V
Overvoltage trip delay 0.1s; ≥350V: 0.02s
Undervoltage trip delay 0.1s; ≥350V: 0.02s
Voltage accuracy <1%
Max. operating phase voltage 350V
Rated operating current 100A
Pollution degree 3
Electrical life 10⁶
Mechanical life 10⁶
Altitude ≤2000m
Ambient temperature -25℃ – +50℃
Permissable relative humidity ≤50% at 40℃ (without condensation)
Storage temperature -25℃ – +55℃
Conductor size 0.5mm2 – 1mm2

Product Description

  • Smart Dual-Power Auto Switching】Automatically switches to backup power (generator/solar/inverter) during outages or voltage instability within 3 seconds, ensuring continuous equipment operation. Returns to main power automatically once stable with no manual intervention required, ideal for residential, commercial, and industrial applications.
  • 【Triple LCD Real-Time Monitoring】Equipped with 3 independent LCD displays: left screen shows L1 power voltage, right screen shows L2 power voltage, center screen shows output current. Instantly monitor dual-input and load status during critical power switching moments for complete situational awareness.
  • 【Fully Adjustable Protection】100A overcurrent protection with customizable voltage thresholds (under-voltage 80-220V, over-voltage 110-300V) precisely matches your equipment needs. Adjustable startup delay (1-600s, default 5s) and recovery delay (1-600s, default 30s) prevent frequent switching damage and extend equipment lifespan.
  • 【DIN Rail Quick Installation】Compact design with standard 35mm DIN rail mounting, completed in minutes. Rugged engineering design saves space, suitable for distribution boxes and control cabinets. Easily operated by professional electricians and DIY enthusiasts alike with clear terminal markings.
  • 【Industrial-Grade Reliability & Wide Compatibility】Manufactured with industrial-grade components rated for -10°C to 50°C operating temperatures with IP20 protection and CE/RoHS compliance. Seamlessly integrates with portable generators, solar inverter systems, backup battery systems, UPS units, and standard utility power for comprehensive power management.

Version 1.0.0

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