Technical Documentation STVP-40X4B PV DC Isolation Switch

The DC isolation switch STVP-40X4B is designed for photovoltaic systems to isolate direct current (DC) circuits. It allows safe disconnection of photovoltaic panel strings during maintenance or emergency situations.

The device is designed for PV applications up to 1200V DC and can be used in residential, commercial, or industrial installations.

Main Features

• DC isolation switch for photovoltaic systems
• Manual ON/OFF operation
• Mounting on DIN rail
• Compact and durable construction
• Silver contacts for high conductivity
• Compatible with high voltage solar energy applications

Technical Specifications

• Model: STVP-40X4B
• Product type: DC isolation switch
• Rated voltage: 1200V DC
• Rated current: 32A
• Number of poles: 4P
• Housing material: PA
• Flammability rating: UL94V-0
• Contact material: Silver-coated steel
• Weight: approximately 0.3 kg
• Mounting: DIN rail
• Switch positions: ON / OFF

Dimensions

• Width: 65.7 mm
• Height: 71.5 mm
• Depth: 105 mm

Applications

• Residential photovoltaic systems
• Independent systems
• Grid-connected installations
• PV electrical panels
• Isolation of photovoltaic panel strings
• Protection and maintenance of solar energy installations

Advantages

• High operational safety
• Compatible with high DC voltages
• Durable construction for long-term use
• Simple and quick operation
• Compact size for easy panel integration

Installation Recommendations

• Installation must be performed according to current electrical standards
• Use is recommended in panels protected from moisture
• Verify compatibility with the voltage and current of the photovoltaic system
• Do not use the device beyond the specified ratings

Package Includes

• 1 x STVP-40X4B DC isolation switch

Warning: Installation and commissioning must be carried out only by a qualified electrician.