Combiner Box Monitoring (Gilgal 3)

Fonrich Gilgal 3 combiner box monitoring supports 1000V/1500V PV system, real-time monitoring of the string current, bus voltage, bus box temperature, switch status, etc.,alarm output when data is abnormal, support RS485 or industrial wireless data transmission.

Gilgal 3 combiner box monitoringSystem Connection Diagram

System Connection Diagram

Product Advantages

  • Gilgal 3 combiner box monitoring1
  • Gilgal 3 combiner box monitoring2

Combiner Box Monitoring(Gilgal 3)

Compatible with 1000V & 1500V systems:

  • First domestic 1500V system intelligent monitoring
  • CE-EMC Certification

Multi-function and widely used:

  • Added automatic address allocation, data freeze, journal recording, up to 18 alarm functions
  • Real-time monitoring of string current, bus voltage, temperature of the combiner box, and lightning arrester and breaker status
  • Supports current arc detection, alarm threshold can be set, automatic tripping and remote tripping can be realized
  • Shunt trip unit can be driven directly without tripping power supply, saving cost

Wireless Communication:

  • Data transmission using RS485 (Modbus RTU) and LoRa wireless

Installation method:

  • PV combiner box installed for integration of DC arc detection

Increase Income

Precise Monitoring

Safety Protection

Main Parameters

Model FR-DCMG-MMPU
Maximum system voltage 1500V
Maximum number of channels 24
Does it support tripping Yes
Do it need external power supply -No, the bus directly takes power
Detection current range -20~+20A
Communication Method RS485/Modbus-RTU and LoRa wireless
Detection Accuracy 1%

Certified