Production: Shanghai
Warehouse & Sales: Frankfurt
info@mainstar-group.de069 2474 2666-0DEEN
Renewable Energy

Cable assembly for renewable energy.

PV, wind power, battery storage, heat pumps — assembled per EN 50618, designed for 25+ years, UV-resistant, IP68.

Photovoltaik, Windkraft & Batteriespeicher — Wireframe-Illustration
EN 506181,500 V DC, IP68, designed for 25+ years
Erneuerbare Energien & Speicher

Cable assembly for the energy transition.

Photovoltaics, wind power, battery storage — the energy transition needs cables that last 25+ years outdoors. UV-resistant, weather-proof, high-current capable. We assemble per EN 50618, IEC 62930 and manufacturer-specific requirements.

PV

Photovoltaic wiring

Solar cables per EN 50618, UV-resistant, halogen-free, IP67 protection. String wiring, inverter connection, AC-side grid feed-in. Designed for 25+ years of outdoor exposure.

Storage

Battery Storage Cable

High-current cables for lithium-ion and LFP storage. Cross-sections up to 120mm², isolation voltage up to 1,500V DC. For SENEC, BYD, Huawei and other storage manufacturers.

Wind

Wind Power Cable Assembly

Cable harnesses for nacelle, pitch system and tower base. Torsion-resistant, flex-resistant >10M cycles, for operating temperatures -40°C to +90°C. Offshore-capable with salt-water-resistant insulation.

Heat

Heat pumps & HVAC

Cable assemblies for heat pumps, air conditioning, ventilation. Temperature-stable, moisture-resistant, compact design for tight installation spaces.

HDC

HDC Connectors

Heavy-duty connector assembly for control cabinets and power distributors. IP65/IP68 protective housings, pluggable connections for fast commissioning. Han-Modular, EPIC, Harting-compatible.

Grid

Grid Connection & Transformer Stations

Power cables for connecting distributed generation to the medium-voltage grid. Precisely assembled cable lugs, heat-shrink termination, documented torque values.

Standards & Norms
EN 50618
Solar cables to European standard
1.500V DC
battery storage system voltage
25+ years
Designed for PV lifetime
IP68
permanently waterproof
Product Examples

From our production.

PV-Solarkabel mit MC4

PV Solar Cable with MC4

Pre-assembled solar cables with MC4 connectors. UV-resistant, IP67, per EN 50618. Red/Black pair.

HV-Verteiler-Kabelbaum

HV Distribution Harness

High-voltage main distributor with 8+ outputs and HV connectors. For battery management systems.

Speicher-Verbindungskabel

Storage Interconnect Cable

Battery pack connections of various cross-sections with ring terminals. 16mm² to 95mm².

Batteriekabel mit Kabelschuhen

Battery Cable with Lugs

High-current cables with ring terminals for battery storage. Heat-shrink insulation, labeled.

HV-Einzelleitung

HV Single Cable

Single-assembled high-voltage cable with cable lug and HV connector. Up to 1,500V DC.

Erdungsleitungen

Grounding Cables

Pre-assembled protective earth cables (green/yellow) with ring terminals. Various lengths and cross-sections.

Case Example

What we built for an energy-technology provider.

Case 05 · 2024
Stringkabelkonfektionierung für 25-MWp-PV-Park — Wireframe-Illustration
Client · NDACustomer under confidentialitySouthern Germany · Energy projectsSouthern Germany · Energy Projects

String cable assembly for 25-MWp PV park

47,000 modules, 1,500V DC per EN 50618, three-month construction window, just-in-sequence — no on-site assembly. We delivered pre-assembled string cables with factory-mounted, 100%-tested IP68 connectors, individually labeled per string number, in seven tranches over nine weeks.

+30 %Installationsgeschwindigkeit
0Steckermontagefehler vor Ort
25 yearswarranty per IEC 62930
9 weeksdelivery period
View full case study →/a>
For reasons of contractual confidentiality (NDA), customer name, location and identifying details are not disclosed. Requirements and metrics are exemplary for this industry.

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Projekt besprechen?

Send us your drawings or describe your project. Initial consultation and quote within 48 hours.