Balance of System
Cables, connectors, and protection boxes.
3 matching products
Send your quantity and destination port if you need help matching ratings, packing, or related BOS items.

1500V DC Solar PV Cable (H1Z2Z2-K)
Premium electron-beam cross-linked solar cable. Double insulated, halogen-free, and designed for 150...

IP68 Split-Type PV Junction Box
High-reliability junction box with integrated Schottky bypass diodes. Designed to protect PV modules...

MC4 Compatible Solar Connectors
Industry-standard DC connector for PV systems. Features a self-locking mechanism and high-quality co...
Balance of System: sourcing overview
Balance of System (BOS) accessories are the small but essential parts that connect, protect and complete a PV installation once the panels, inverter and mounting are in place. This family covers PV cable, MC4-compatible connectors, fuse and diode connectors, junction and combiner enclosures, grounding hardware and the miscellaneous fittings that a project bill of materials almost always leaves until last.
For overseas EPC and distributor sourcing, BOS accessories are best ordered against a complete BOM rather than line by line. A single connector or cable item rarely meets a factory minimum on its own, but combined across cable, connectors, protection and grounding the order reaches a workable quantity and ships in one consolidated container. OmniSol reviews each line for voltage and current rating, certificate availability (IEC 62852, EN 50618, TÜV or UL where required) and compatibility with the cable and connector system already specified, then confirms packing and labelling before shipment.
Because these parts have a high failure cost relative to their unit price, the RFQ should define cable cross-section, connector type, IP rating and the destination market standard up front. Send the project specification and OmniSol returns a quote-ready BOS accessory BOM with matched SKUs, certificate notes and consolidated freight options.
What to confirm before requesting a Balance of System quote
A complete specification lets OmniSol match the right SKU, check certificate availability, and plan consolidated packing in one pass.
| Specification field | What to provide |
|---|---|
| Specification / rating | Exact model, rating class or spec required for balance of system |
| Quantity | Project quantity, container target, or expected annual volume |
| Destination | Country and port — for freight, duty and compliance review |
| Standards / certificates | IEC, EN, UL, TÜV or market-specific documents required |
| Related BOS | Other categories to consolidate into the same shipment |
| Delivery target | Required delivery window or project milestone date |
Consolidate Balance of System with the rest of your BOS
Balance of System ships in one container together with mounting, cables, protection and storage — one QC report, one document set, one shipment.
Balance of System sourcing questions
What information is needed to quote Balance of System?+
Buyers should provide target specification, quantity or project size, destination country or port, required standards, and delivery schedule. Photos, drawings, or previous supplier datasheets help speed up SKU matching.
Can OmniSol match Balance of System with related BOS items?+
Yes. OmniSol can review related mounting hardware, PV cables, connectors, DC protection, combiner boxes, distribution boards, and packing requirements for combined procurement.
How are documentation and packing requirements handled?+
Documentation, label, carton, pallet, and inspection requirements are confirmed during RFQ and before shipment according to the selected SKU, supplier, order size, and destination market.