SF219 Solar PV Dual Power Changeover Isolator Switch

• Suitable for dual power source switching
  
• Available in 1P, 2P, 3P, and 4P versions
  
• Rated current: 16A / 25A / 32A / 40A / 50A / 63A
  
• Rated voltage: 230V / 400V
  
• DIN rail modular installation
  
• Clear 1-0-2 switching position
  
• Flame-retardant insulating housing
  
• Compact structure for distribution boxes
  
• Easy operation with thickened handle design
  
• Suitable for solar PV, household, and industrial circuits
  

* For solar PV and backup power transfer systems, 2P and 4P are more commonly used, depending on whether the system is single-phase or three-phase.

This BS319G changeover isolator switch is suitable for:

• Solar PV power systems
  
• Dual power transfer circuits
  
• Residential distribution boxes
  
• Industrial control panels
  
• Backup power switching systems
  
• Generator and mains power switching
  
• Commercial electrical systems
  
• Modular electrical distribution cabinets
  

Q1: What is the function of the BS319G changeover switch?

It is used to switch between two power sources or isolate circuits safely in electrical distribution systems.

Q2: What does 1-0-2 mean?

1-0-2 means Power Source 1, OFF position, and Power Source 2. It allows manual switching between two circuits.

Q3: Can it be used in solar PV systems?

Yes. It can be used for PV power switching, backup power transfer, and circuit isolation applications.

Q4: What pole options are available?

The switch is available in 1P, 2P, 3P, and 4P configurations.

Q5: Is it installed on DIN rail?

Yes. It supports standard DIN rail installation and is suitable for modular distribution boxes.