PV-DC-Junction box

Part Number 157618
  • Generator junction box for 10 MPP tracker / 4 strings
  • Integrated surge protection device - DPVN1-6C-21Y-1200 (Type 1+2+3)
  • Protection class IP65
  • Connection via spring terminals (6-16mm²)

With the generator junction boxes of the GAK10 series, CITEL offers a solution to protect photovoltaic systems of any kind against the effects of lightning and overvoltages. The GAK10 series is designed to protect up to 6 MPP trackers and maximum system voltages (Ucpv) up to 1200 Vdc. Depending on the configuration, the GAK10 meet the normative requirements for all types of buildings with or without external lightning protection system up to lightning protection class I (Iimp = 12.5 kA / pole (10/350)).

SPD type
PV network 1000 Vdc
Nominal DC voltage
Un-dc 1000 Vdc
Max. PV operating voltage
Ucpv 1200 Vdc
Rated insulation voltage
Ui 1000 Vdc
Rated current
InA 50 A
Rated string current
InC 25 A
Input / per MPPT
Spring clamp terminals / 4x 6-16mm²
Output / per MPPT
Spring terminals / 1x 6-16mm²
Cable gland
Metric / 12x M40 (Ø 16-28mm) / 1x M20 (Ø 6-13mm)
Housing material
UV and ozone resistant, fiberglass reinforced polycarbonate
WxHxD (mm): 130 x 180 x 111
Standards compliance
DIN EN 50539-11