Fronius Backup Controller 3P-35A (For systems that dont require neutral seperation)

Manufacturer FRONIUS
Manufacturer Item No. 4,240,047,CK
Item No. 4240047CK
EAN 4240047CK
Quantity in ITF package 29 PCS


Product information

Technical details
Mounting method DIN rail
Ambient temperature -20 .. 50 °C
Power consumption 15 VA
Current measurement range, DC 230 .. 400 A
Weight 0.86 kg
Degree of protection (IP) IP20
Nominal power 35 W
Spare part No
Accessory Yes
Suitable for Photovoltaic
Type of accessory Other
Advantages

Enables automatic and safe switching to backup power during grid failures.

 

Ensures reliable disconnection and reconnection of loads and generators.

 

Designed for seamless integration with Fronius inverters and energy storage systems.

 

Compact DIN rail design allows easy installation in electrical distribution cabinets.

Manufacturer information

Fronius is a well-established Austrian technology company known for its innovation and high-quality products. It operates in three core business sectors: Solar Energy, where they are a leading manufacturer of residential and commercial solar inverters; Perfect Welding, a division that develops advanced welding systems and solutions; and Perfect Charging, which specializes in intelligent battery charging technology for industrial and automotive applications. The company is committed to sustainable solutions and has a strong global presence, with its brand being synonymous with reliability and technological advancement in each of its markets.

Product description

The Fronius Backup Controller 3P-35A is a control device designed to enable automatic backup power switching in photovoltaic systems. In the event of a grid failure, it safely disconnects all connected loads and generators from the public grid and ensures reliable operation in backup mode.

Once grid stability is restored, the system automatically reconnects to the grid. The controller is installed on a DIN rail and is designed for integration with Fronius inverters, batteries, and Smart Meter systems, making it an essential component for full backup power solutions.