This document presents the wiring solutions for photovoltaic power systems, including LC3® and LC4® overmolded connectors. These connectors offer outstanding environmental seals, excellent strain relief, and unsurpassed ruggedness and durability. The LC3® connectors have a sleek and slim design with optional locking according to NEC 2008 NFPA 70. The LC4® connectors feature integrated locking that can be unlocked either manually or with a tool. The document also provides information about production and service locations, as well as specifications for the products.
The LC3® and LC4® series offer sleek, slim wiring solutions for photovoltaic power systems. Both series feature overmolded connectors with outstanding environmental seals, optional locking (NEC 2008 NFPA 70) or integrated locking, IP68 protection, and are industrially pre‑assembled and tested for ready‑to‑plug installation.
Lumberg also supplies customized cables, junction boxes for crystalline and thin‑film modules, and a range of tools and harnessing machines for manual, semi‑automatic or fully automatic processing. Global support offices are listed for Europe, Asia, and the Americas.
| Connector seal quality | outstanding environmental seals |
|---|---|
| Maximum load current | 15 A / 630 V AC |
| Pitch range | 1.27 mm to 10.0 mm |
| Supported wire sizes (AWG) | AWG 14, 12, 10 |
| Supported cable cross‑sections | 2.5 mm², 4.0 mm², 6.0 mm² |
The LC3 system offers optional locking according to NEC 2008 NFPA 70.
They support load currents up to 15 A at 630 V AC.