AQ-102LV Arc flash protection

AQ-102LV is a sophisticated microprocessor-based arc flash protection unit for arc light detection. The AQ-102LV has connectors for up to three (3) fiber sensors. AQ-102LV acts as a sub-unit to an AQ-110x in an AQ-100 arc protection system. It can also function as a stand-alone in light-only systems. AQ-102LV is designed to minimize the damage caused by an arcing fault (arc flash) by tripping the circuit breaker that sources the fault current. The complete system self-supervision function of AQ-102LV provides the highest level of dependability by continuously monitoring all internal system functions as well as external connections.

Features:

  • A wide range for the power supply (18…72 V DC or 80…265 V AC/DC)
  • A maximum of 3 fiber loop sensors
  • 4 trip relays
  • 1 system failure relay
  • 1 fast binary output
  • 2 fast binary inputs
  • 1 multifunction push button
  • Non-volatile memory
  • 11 indication LEDs


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  • Light (L>)
  • Circuit breaker failure protection (50BF/52BF)
  • Trip time when using mechanical trip relays: 7 ms*
  • Reset time (arc light stage): 2 ms
  • Protection operational after power up: 88 ms
  • *) total trip time when using arc light (L>) or when using arc light (L>) and phase/earth overcurrent (I>) from an AQ-110x unit
  • Applicable sensors
  • AQ-06 plastic fiber sensor (3...40 m) (optional)
  • AQ-07 glass fiber sensor (3-50 m length) (optional)
  • AQ-08 glass fiber sensor (3...15 m) (optional)
  • Trip relays (T1, T2, T3, T4)
  • 3 NO + 1 NC or 4 NO
  • Rated voltage: 250 V AC/DC
  • Continuous carry: 5 A
  • Make-and-carry for 3 s: 16 A
  • Make-and-carry for 0.5 s: 30 A
  • Breaking capacity DC (when L/R = 40 ms): 40 W; 0.36 A at 110 V DC
  • Contact material: AgNi 90/10
  • Binary output (BO1)
  • Number of outputs: 1
  • Rated voltage: +24 V DC
  • Maximum rated current: 20 mA
  • Binary inputs (BI1, BI2)
  • Number of inputs: 2
  • Threshold voltage: 24 V DC
  • Rated voltage: 250 V
  • Rated current: 3 mA
  • Power supply
  • Auxiliary power supply: 92…265 V AC/DC
  • Auxiliary power supply: 18…72 V DC (optional)
  • Maximum interruption: 100 ms
  • Maximum power consumption: 5 W
  • Standby current: 90 mA
  • 11 indication LEDs
  • Multifunction push button (SET)
  • 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

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