Fronius Backup Controller 3P-35A
FRONIUS
Made in Europe

Fronius Backup Controller 3P-35A

Manufacturer FRONIUS
Manufacturer Item No. 4,240,047,CK
Item No. 4240047CK
EAN 9007947651495
Quantity in ITF package 29 PCS

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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


Downloads

Datasheets (1)
SE_DS_Fronius_Backup_Controller_Backup_Switch_EN.pdf
Instructions (2)
42,0410,2961.pdf 42,0426,0528,EA.pdf
Certificates (1)
SE_EC_Declaration_of_Conformity_Backup_Controller_3P-35A_MULTI.pdf

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 three-phase automatic backup switchover device for Fronius GEN24 Plus (Primo & Symo) and Verto Plus hybrid inverters, enabling whole-home backup power during a grid outage. On grid failure it automatically disconnects from the mains and switches the home over to inverter/battery supply, restoring power to the full installation without manual intervention. Rated 35A / 24 kVA at 3~ 230/400V, 50 Hz (utilisation category AC-32), it supports TN-S and TN-C-S grid types with Fault Ride Through. DIN-rail mounted, rated IP20, −20 to +60 °C, 1–25 mm² phase/neutral conductors, certified IEC 60947-6-1. Installs quickly in the switchboard.