Studer VarioString 120A MPPT Solar Charge Controller

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Studer VarioString 120A MPPT Solar Charge Controller

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Quick Overview

120A MPPT Solar Controller
IP 54 Rating
Swiss Made
Incredibly Versatile
5 Year Warranty
Ideal for Industrial Applications
MPPT provides up to 25% boost in daily energy production!
Can be used with solar array up to 600V

Product Description

The VS-120 is recommended for PV capacities up to 7kWp, and charges the battery with a maximum current of 120A. Its two MPPT inputs offer very flexible connections of the PV modules. The inputs can be connected in parallel, in series or independently. With the inputs connected in series, the string of PV modules can have a voltage up to 900V, all this without special tools and with reusable connectors.

General Specifications

Dimensions (H x W x L) 133 x 322 x 466mm
Weight 7.5 kg
Maximum efficiency > 98 %

Electrical characteristics PV array side

Maximum solar power recommended (@STC) 3500 W
Maximum current 13 A
Maximum solar open circuit voltage 600 V
Minimum solar functional circuit voltage 200 V 
Recommended MPPT voltage  250-500 V

Electrical characteristics battery side

Maximum output current 120 A
Nominal battery voltages 48 V
Operating voltage range 38 - 68 V
Battery grounding possibility Battery + or battery -

Additional Information

Manufacturer N/A
All Prices are in AU$ and include GST