Specification Sheet

40,0006,3067,AE v01 2010 as05
Fronius String Control 250/25 Technical Data
Text and illustrations are technically correct at the time of going to print. The right to make modifications is reserved.
This document may not be copied or reproduced in any form, not even in part, without prior written consent of Fronius International GmbH.
Fronius USA LLC
Solar Electronic Division
10421 Citation Drive, Suite 1100
Brighton, Michigan, 48116
E-Mail: [e-mail]
www.fronius-usa.com
INPUT DA TA
DC Input Voltage Range 0 ... 600 V
Max. Input Voltage 600 V
Max. number of DC Input Terminals 25
Admissible Conductor Size (DC Input Terminals) 12-8 AWG, Copper, solid and stranded conductors
Number of measuring channels 5
Fused inputs per measuring channel 5
Max. continuous DC current per measuiring channel 50 A
Max. Fuse Size (10 x 38 class CC fuse) 20 A, 600 V
No. Grounding Terminals 25
Admissible Conductor Size (GND terminals) 12-6 AWG, Copper and Aluminum, solid and stranded conductors
PV-Array Confi guration positive or negative grounding
OUTPUT DATA (TO FRONIUS CL)
Max. continuous DC Current 250 A
Admissible conductor size (DC Output) 350 MCM
Max. number of conductors per output pole 2
DC Terminals 2x M12 lug (double hole)
GND Terminals 2x M12 lug (double hole)
GENERAL DATA
Enclosure Type Type 3R
Unit Dimensions (W x H x D) 27.6 x 19.5 x 5.0 inch (700 x 496 x 127 mm)
Unit Weight 26.5 lbs (12 kg)
Admissible Ambient Temperature -13 ... +140°F (-25 ... +60°C)
Rel. Humidity 0 ... 95 % (non condensing)
Housing Material Powder Coated Aluminum (standard)
Power Supply via RS485, optional UL listed Class 2 (12Vdc)
Compliance UL 1741-2005, ANSI/IEEE C62.41, FCC Part 15 B,
NEC Article 690, C22. 2 No. 107.1-01 (September 2001)
COMMUNICATION
Protocol Type Solar Net, RS485
Connectors 2x RJ45 plugs or 2x 8-pole pressure type terminals