Electrical Components for Solar PV, Battery Energy Storage

String level Rapid Shutdown Swtich 2P-10P


  • Suitable up to 5 circuits/strings
  • Maximum circuit current 55A
  • Maximum cricuit voltage 1500vdc
  • Protection degree IP66
  • Poles: from 2P to 10P
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This innovative Firefighter Safety Switch is the ideal solution for safeguarding your rooftop solar installation during emergencies or fire. It functions as a rapid shutdown device, capable of handling a maximum circuit voltage of 1500 VDC and interrupting currents up to 55A. The system incorporates a combination of photovoltaic panel strings connected to a dedicated rapid shutdown switch.

Key Features:

  • Suitable for Up to 5 Circuits/Strings: Handles multiple circuits for comprehensive protection.
  • Maximum Circuit Current: 55A: Accommodates a wide range of current loads.
  • Maximum Circuit Voltage: 1500 VDC: Handles high voltage systems commonly found in solar installations.
  • IP66 Protection Rating: Ensures weatherproof operation in harsh outdoor environments.
  • Available in 2P to 10P Configurations: Choose the right number of poles for your specific application.
  • Simple Installation: Designed for ease of installation.
  • Integrated Waterproof Vent Valve: Prevents condensation buildup within the enclosure.
  • Automatic Thermal Shutoff: Built-in temperature sensor automatically shuts down the system if internal enclosure temperature reaches 70°C (158°F), providing an additional layer of safety.

Parameter Value
Main parameter ERS
String voltage (VDC) 300-1500
String current (A) 9-55
Circuit 3/4/5
Connection mode of Isolation switch 10
Working voltage 100Vac-270Vac
Rated voltage 230Vac
Rated current 30mA
Starting (loading) current 100mA (AVG)
Action current 300mA (Max)
Contact action condition 24Vdc-300mA (Max)
Operating temperature -20°C+50°C
Maximum temperature before automatic shutdown +70°C
Storage temperature -40°C – +85°C
Protection level IP66
Over current protection Yes
Authentication CE
Meets standard EN 60947-1&3
Mechanical life 10000
Number of loaded operations (PV1) >1500


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