Technical Data; Abbreviations And Descriptions Used - Fronius String Control 250/25 DCD DF Instructions De Service

Technical Data

Max. input voltage in no-load operation
Max. input current
Max. input current per fuse holder
Max. number of strings (with integrated solar module fuse)
Max. cable cross section for terminals on the
solar module side for rigid wires
Max. cable cross section for terminals on the
solar module side for flexible wires
Important ! For a wire cross section smaller than 2.5 mm², use wire ferru-
les.
Max. cable diameter of 'IN' DC cable
Min. cable diameter of 'IN' DC cable
Max. cable cross section for the M12 connections on the
inverter side
Number of measuring channels
Max. current per measuring channel
Screw joint for cable attachment to the solar module side
Screw joint for cable attachment to the inverter side
Protection type
Protection class
Ambient conditions
Dimensions (without screw joints)
DATCOM power supply
Max. Solar Net current consumption
Weight
Abbreviations DC cable 'OUT'
and Descripti-
ons Used
DC cable 'IN'
DC output cable from Fronius String Control 250/25
DCD DF to inverter.
The polarity of the 'OUT' DC cable results from the
connection specification of the 'IN' DC cable.
Solar module strings from the solar modules to the
Fronius String Control 250/25 DCD DF.
Each solar module string has one DC+ cable and one
DC- cable.
5
-25°C - +55°C
-13°F -
754 x 571 x 216 mm
29.69 x 22.48 x 8.50 in.
via Solar Net
optional via a 12 V power supply
600 V
250 A
20 A
25
1 - 25 mm²
1 - 16 mm²
7 mm
2 mm
120 mm²
5
50 A
M16
M40 / M32
IP 55
II
+131°F
110 mA
18,4 kg