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USER MANUAL
Amphenol ALTW connection system is composed from one
single AC cable from micro inverter and trunk cable where
up to 20 inverters can be connected. Both AC cable and
the trunk are equipped with locking connectors that can
be separated by using special unlock key and they are IP67
rated.
Reliability, current capability and lifetime are considerably
increased by using direct trunk connector and cable
molding technology and by using insulation displacement
main cable contacting, without interruption of main cable.
Very important is to choose the right trunk cable pitch,
depending on panel dimensions and orientation.
Consider that also maximum number of micro inverters per
trunk change with connectors pitch. See bellow tables and
drawings for details.
Compatible AC connector system
Trunk cable data
Two types of cables are available UL and VDE approved,
while connectors are always the same. Cables and plastic
materials are chosen and tested under most harsh
conditions imaginable and they are UV, salt fog, oil,
temperature and bending resistant.
Please, do not cut, disassemble or modify connectors
and cables. Do not use matching products that are not
produced by ALTW since cable performances can be altered
and possible dangerous situations may occur.
In addition to two basic connectors, some more additional
connectors are available for cable ending or joining.
Table 1 Trunk cable types and maximum number of micro inverters per trunk
Trunk cable ID:
Panels orientation:
Max. number of T connectors on trunk :
PT-3-4A-105-00-020-EU
Portrait
20
PT-3-4A-170-00-018-EU
Landscape-170 cm panels
18
PT-3-4A-205-00-017-EU
Landscape-205 cm panels
17
PT-3-4A-105-00-020-UL
Portrait
20
APPENDIX
