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ATC Diversified Power Alert


The UPA 100 and UPA 130 Power Alert from ATC Diversified Electronics reduces the risk of electrical arc flash by pre-verifying the electrical isolation from outside of a control panel. Hardwired to the circuit breaker or main disconnect, the UPA flashes whenever voltage is present. Engineered with redundant circuitry, the Power Alert is powered by the same voltage that it indicates.

The eight detector power alert visually alerts to the presence of dangerous AC or DC (Store Energy) potentials occurring between any combination of the four monitored input lines (L1, L2, L3, GND). Two LED indicators are assigned to each input line and are designated “+” and “-“. For each input line carrying an AC potential (bi-polar) , both the “+” and “-” LEDs will be active. A DC or Stored Energy potential will illuminate the “+” LED for the positive line and the “-” LED for the negative line.

  • Detects Single or 3-Phase AC & DC Voltage
  • Verification of Stored Energy Inside a Panel
  • Redundant Circuitry
  • 40-750 VAC, 30-1000 VDC Detection
  • Fits 1-1/4″ Conduit Knock-Out (UPA 100)
  • Fits 30mm Knockout (UPA 130)
  • C-UL US listed, CSA approved.
ATC Diversified Power Alert Specs

Catalog-Page-138a             UPA-100-DS           UPA-130-DS

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products found
Item # Description Depth Behind Panel
WE/UPA-100Universal Power Alert for 1 1/4" knockout1.5 in.
WE/UPA-130Universal Power Alert for 30.5mm hole48mm
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