Have you ever encountered long-term maintenance challenges in solar power plants?
Many EPCs and installers focus their attention on modules and inverters, yet overlook the components that truly determine a system’s lifespan and safety — solar mounting accessories.
These small components, such as mid clamps, connectors, and bolts, must withstand extreme wind pressure, snow loads, and temperature changes. Though often unnoticed, they are among the most crucial parts of any PV system.

In this blog, SOEASY Solar takes a professional look at the technical details and selection criteria of solar mounting accessories to help you achieve stable and long-lasting PV installations.

Common Types of Solar Mounting Accessories

Solar accessories are the essential elements that ensure the structural integrity, electrical safety, and installation efficiency of a PV system.
For solar mounting structures, these accessories refer to the precision components used to support, secure, and connect modules and structural members. They play a vital role in maintaining system strength, alignment, and long-term reliability.

Common accessories include mid and end clamps, rail connectors, roof hooks (such as L feet), bolts, and grounding clips.
Although small in size, these components determine the stability, safety, and durability of the entire system.
High-quality accessories ensure that PV modules remain firmly in place under strong winds and heavy snow, while providing reliable grounding for enhanced operational safety.

Accessory TypeApplication ScenarioDescription
Roof HookTile roof systemsMade of aluminum or stainless steel; provides secure installation without damaging roof surfaces
Rail & ConnectorAll system typesLightweight aluminum rails with corrosion resistance; connectors ensure structural stability
Mid & End ClampModule fixationSecure solar modules, compatible with multiple frame thicknesses, anti-slip and vibration resistant
L Feet & Hanger BoltMetal roof systemsSuitable for trapezoidal or corrugated metal roofs, ensuring strong connection
Grounding ComponentsAll PV systemsProvide reliable electrical continuity and grounding protection
Fasteners & ScrewsGeneral useReinforce system connections and enhance overall strength

Main Functions of Solar Mounting Accessories

Solar accessories play a vital role in ensuring structural stability, electrical safety, and long-term reliability.
Each type of accessory serves a distinct function — from securing modules and connecting rails to providing grounding, corrosion protection, and mechanical safety.
Proper selection and installation not only improve construction efficiency but also reduce maintenance costs, ensuring the long-term performance and safety of the solar system.

Function TypeMain RoleCommon Components
ConnectionSecurely connect modules, rails, and mounting structuresRail connectors, bolts, fasteners
FixationHold PV modules firmly, preventing displacement or vibrationMid clamps, end clamps, L feet, roof hooks
ProtectionPrevent corrosion, leakage, and structural fatigueSealing washers, waterproof pads, surface coatings
Electrical ConductionEnsure electrical continuity and grounding protectionGrounding clips, earthing plates, grounding wires
SafetyImprove overall system resistance to wind and vibrationReinforcement ribs, structural supports

Key Technical Parameters of Solar Accessories

The technical parameters of mounting accessories determine their adaptability and reliability in various environments.
For example, materialcorrosion resistance affect their durability in coastal or high-humidity regions; mechanical strength ensures safety under high wind and snow loads; and compatibility ensures seamless integration with different module types and mounting structures.

By carefully evaluating these factors, EPCs and installers can ensure their systems not only meet short-term installation requirements but also maintain long-term efficiency, reliability, and safety for more than 25 years.

ParameterDescriptionEngineering Focus
材料Commonly aluminum (lightweight, corrosion-resistant) or stainless steel (high strength)Choose based on environmental conditions and load requirements
Mechanical StrengthIncludes tensile and shear strength; determines system resistance to wind and snow loadsVerified through simulation and field testing
Corrosion ResistanceSurface treatments such as anodizing enhance durabilityEssential for long-term stability in harsh environments
CompatibilityFit different module thicknesses and roof structuresImproves installation accuracy and speed

SOEASY Solar Accessory for Faster Installation

As a professional solar mounting manufacturer, SOEASY Solar provides a complete range of accessories designed to enhance installation efficiency, reduce on-site complexity, and ensure long-term system stability.

Our Commitments and Advantages:

  • Pre-assembled Design:
    Most of our core components, such as T-bolts and clamps, are pre-assembled in the factory, simplifying on-site installation and minimizing the risk of loose parts — increasing efficiency by more than 30%.
  • Customized Solutions:
    We provide tailored clamps and fixtures for various roof types, including tile, metal, and concrete roofs, ensuring firm installation without damaging the structure.
  • Strict Quality Testing:
    Every batch of accessories undergoes rigorous mechanical (tensile and yield strength) and weather resistance testing to ensure consistency and long-term reliability.
  • Global Certifications:
    All SOEASY accessories are engineered and tested according to AS/NZS 1170.2, TÜV, and UL standards, ensuring compliance and smooth project approval.

Explore SOEASY Solar Mounting Accessories to learn more about detailed specifications and customized solutions for your solar projects.