Q3 ENERGIE GmbH & Co. KG

Q3Model BIG - String Box

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The BIG string box is a generator connection box for large systems. There are 5 standard versions with 8, 12, 16, 20 and 24 inputs. All the usual modules for large systems such as DC isolators, surge protection, PV fuses and current sensors can be integrated here. The Stringbox BIG is usually planned and constructed according to customer specifications. No wishes remain unfulfilled here.

Most popular related searches
  • individually exchangeable
  • Plastic or steel housing possible
  • from standard to high-end everything available

Areas of application
Large plants in the megawatt range, open field plants and large roof-top plants (e.g. factory buildings).

  • Input
    • Number of strings: 8 to 24
    • I max. per string: 30 A
    • U max. per string: 1 kV
    • Contacting : M12/M16/M20/M25 (your choice)
    • Plug cable cross-section: 1 to 25 mm²
  • Output
    • Number of outputs: 1
    • I max. per string: 800 A
    • U max. per string: 1 kV
    • Contacting : M40/M50/M63/M75 (your choice)
    • Plug cable cross-section: 95 bis 300 mm²
  • General
    • Housing: Sheet steel housing, IP55, optionally with fan/heater
    • Optional
    • DC circuit breaker
    • Overvoltage protection T1+T2/T2
    • String current measurement
    • Voltage measurement
    • Data transmission via RS485
    • Data transmission via LoRa/GSM (wireless)