Author: Sinotimer 2P Automatic Transfer Switch

The Sinotimer 2P is an automatic transfer switch designed for solar systems. Based on a single-phase application program, it ensures quick and safe transition between solar panels (photovoltaic and inverter) and the public distribution network, providing protection for the necessary equipment and ensuring continuity of electrical power supply.

Technical specifications:

• Number of poles: 2P (single-phase)
• Rated current: 125A
• Rated voltage: 220V AC
• Insulation voltage: 690V AC
• Impulse resistance: 8kV
• Transfer time: < 8 ms
• Standard: IEC60947-6-1
• Frequency: 50/60Hz

Main features:

• Compatible with photovoltaic systems, special input for solar panels + inverter
• Operating modes: Automatic / Manual with easy-to-use front rotary switch
• Status LED indicators showing the active source and operating mode
• Durable construction with clean and safe terminals for quick connection
• Compact size, ideal for residential or commercial electrical installation panels

Recommended applications:

• Residential photovoltaic solar systems
• Off-grid/on-grid installations with backup power supply
• Accommodations, isolated houses, commercial spaces with solar panels
• Transition between photovoltaic inverter and conventional source (Enel, E-Distribuție, etc.)

Advantages:

• Seamless transfer between solar energy and the grid
• Equipment protection from voltage drops
• Easy integration into new or existing installations