4 String PV Combiner Box

The 4 String PV Combiner Box is suitable for photovoltaic grid-connected and off-grid power generation systems. Featuring a 500-Volt 40 Amp or 1000V 63 Amp PV DC Circuit Breaker, lightning protection, and IP65 waterproofing, it’s rainproof and flame-retardant and installed outdoors worry-free.

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Feature of 4 String PV Combiner Box

  • Easy installation: features a convenient mounting buckle for tool-free access, making it suitable for various surfaces and simplifying solar panel system connection.
  • Robust components: equipped with up to 100-Volt, 63-Amp PV DC circuit breaker, and 15-Amp PV current fuse for reliable and safe power distribution.
  • Outdoor durability: designed with a lightning arrester and IP65 waterproof rating, it offers lightning protection, reverse-current protection, and rain resistance, ensuring safe outdoor use for solar systems.
  • Made of ABS & PC & flame retardant material, the 4 string combiner box is stronger, shock-proof, and high-temperature-resistant

Specification

System maximum DC voltage 550/1000
Maximum input strings 4
Maximum input current for each string 140A/63A
Maximum output switch current 20A/32A
Number of inverter MPPT 4
Number of output strings 1/2
Nominal discharge current 20KA
Maximum discharge current 40KA
Maximum continuous operating voltage Uc 550V/1100V
SMC4 Connectors/DC fuse/DC surge protector Standard
Monitoring module/Preventing diode Optional
Box material PC/ABS
Installation method Wall mounting type
Operating Temperature -25ºC–+55ºC