Connectivity solutions for photovoltaic power systems

Solutions for installers and system integrators

Wire faster and more effectively with Lumberg components: industrially pre-assembled, overmolded and tested – naturally with connectors of the series LC3® or LC4®.
Overview
Solutions for module producers
Solutions for inverter and component producers
Solutions for installers and system integrators

Standard products LC3®
Standard products LC4®

Project support and sales

Catalog (PDF) 4.9 MB
Some of the world’s largest solar
power plants are wired with

Lumberg components. This plant
combines 700,000 thinfilm
modules.
Wiring of power plants: industrially pre-assembled, overmolded, tested
Photovoltaic array harnesses system LC3®
ready-to-plug: industrially pre-assembled
industrially tested
type T or type X
with the sleek and slim LC3® connectors
optional locking according to NEC 2008 NFPA 70
Photovoltaic array harnesses system LC4®
ready-to-plug: industrially pre-assembled
industrially tested
type T or type X
with the new LC4® connectors
with integrated locking, alternatively to be unlocked
manually or only with a tool, acc. to NEC 2008 NFPA 70
Type T Type X
Components and auxiliaries for on-site assembly
Field-attachable connectors from system LC3®
optional locking according to
NEC 2008 NFPA 70
Field-attachable connectors from system LC4®
with integrated locking
alternatively to be unlocked manually or only with a tool,
acc. to NEC 2008 NFPA 70
In-line fuses
In-line diodes
crimp tool LC3® with exchange-
able inserts
cables: Standard or customized
2.5 mm²
AWG 14
4.0 mm²
AWG 12
6.0 mm²
AWG 10
crimp tool LC4®:
only one tool for all wire sections
Features Benefits
photovoltaic array harnesses: everything is pre-assembled and
ready-to-plug
harnesses 100 % tested
overmolded connectors: outstanding environmental seals, excellent
strain relief, unsurpassed ruggedness and durability
extremely sturdy: overmolded connector often even stronger than
the cable
either with the slim LC3® connectors (optional locking) or with the
LC4® connectors with integrated locking
highest protection degree IP 68
halogen-free
UV and ozone-resistant
up to 30 % shorter installation time
permanently reliable system operation
minimized attendance and servicing expenditure
no lengthy crimping on-site when using pre-assembled and over-
molded harnesses
iideal wiring strategy for every application:
overmolded solution is pre-assembled and tested, field-attachable
solution available for home run cables
system meets international requirements, including
NEC 2008 NFPA 70
all from one source, available worldwide
standard and customized solutions
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