AQ-101LV Arc flash protection

AQ-101LV is a sophisticated microprocessor-based arc flash protection unit for arc light detection. The AQ-101LV acts as a sub unit to AQ-110P in an AQ-100 arc protection system. It can also function as a stand-alone in light-only systems. It is designed to minimize the damage caused by an arcing fault (arc flash) by tripping the circuit breaker sourcing the fault current. The AQ-101LV complete system self-supervision function provides the highest level of dependability by continuously monitoring all internal system functions along with external connections.


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  • ARC
  • Light L>
  • Light and Pressure L>/P>
  • Circuit Breaker Failure Protection 50BF
  • Trip time using mechanical trip relays: 7 ms
  • Reset time (arc light stage): 2 ms
  • Protection operational after power up: 88 ms
  • Applicable sensors
  • AQ-01 light sensor (activation at 8/25/50 klx)
  • AQ-02 light and pressure sensor
  • AQ-06 plastic fiber sensor (5-50 m length) (option)
  • AQ-07 glass fiber sensor (5-60 m length) (option)
  • Trip Relays T1, T2, T3, T4
  • Number: 3 NO + 1 NC or 4 NO
  • Rated voltage: 250 Vac/dc
  • Continuous carry: 5 A
  • Make and carry for 0.5 s: 30 A
  • Make and carry for 3 s: 16 A
  • Breaking capacity DC, when time constant L/R = 40 ms: 40 W; 0.36 A at 110 Vdc
  • Contact material: AgNi 90/10
  • Binary Output
  • Rated voltage: +24 Vdc
  • Rated current: 20 mA (max)
  • Number of outputs: 1
  • Binary Iinputs BI1, BI2
  • Threshold voltage: 24 Vdc
  • Rated voltage: 250 Vac/dc
  • Rated current: 3 mA
  • Number of inputs: 2
  • Power supply
  • Us: 80…265 Vac/dc (option 18…72 Vdc)
  • Maximum interruption: 100 ms
  • Maximum power consumption: 5 W
  • Standby current: 90 mA
  • 12 Indication LED's
  • Multifunction push button
  • Autoconfiguration
  • Indication reset
  • System check
  • Sensors and wiring
  • Binary I/O
  • Trip coil
  • Power supply
  • Internal voltages
  • Settings
  • AQ-200 series
  • AQ-300 series
  • AQ-100 series
  • Link to AQ SAS manual