AQ-102 Arc flash protection device
AQ-102_front-crop-web
AQ-102_front-crop-web

Description

The AQ-102 arc flash protection device is a sophisticated microprocessor-based arc flash protection unit for arc light detection. It 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 the AQ-102 arc flash protection device 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 92…265 V AC/DC).
  • A maximum of 3 fiber loop sensors.
  • 4 trip relays (with 7 ms trip time).
  • 1 system failure relay.
  • 1 fast binary output.
  • 2 fast binary inputs.
  • 1 multifunction push button.
  • Non-volatile memory.
  • 11 indication LEDs.

Learn more about how different protection techniques affect the consequences of an arc flash:

“Arc flash comparison” by Arcteq Relays (https://youtu.be/EUlZ_a_rcIg)

AQ-102_front-crop-web

Technical data

  • Light (L>)
  • Circuit breaker failure protection (50BF/52BF)
  • Total trip time when using mechanical trip relays: 7 ms (only arc light signal from an AQ-110x device)
  • Total trip time when using mechanical trip relays: 7 ms (both overcurrent and arc light signal from an AQ-110x device)
  • Reset time (arc light stage): 2 ms
  • Protection operational after power up: 88 ms

  • Applicable sensors
  • AQ-06 plastic fiber sensor (3...40 m) (optional)
  • AQ-06 plastic fiber sensor (3...40 m) (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: 24/110/220 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

  • AX016 Wall mounting bracket

Additional material

Application Drawing

AQ-102 wiring diagram

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