Aluminium Solar Inverter Enclosures

Precision-fabricated aluminium solar inverter enclosures for MPPT charge controllers, combiner boxes, and BOS electronics. Engineered to your mechanical, thermal, and IP specification, supplied at volume for OEM integration. Every enclosure is manufactured against your submitted drawing or specification, no catalogue constraints, no forced standard sizes. From prototype validation to scheduled production runs, Frigate operates as a direct extension of your supply chain.

Material Grade

High-strength aluminium alloy — 6061-T6 (structural / extrusion); 5052-H32 (sheet / formed enclosure body).

Wall Thickness

0.8 mm – 3.0 mm structural variants.

Surface Finish — Standard

UV-resistant polyester powder coat, 60–80 µm DFT. RAL colour to customer specification.

Surface Finish — Premium

Type II Sulphuric Acid Anodise (clear or colour, 10–25 µm); Type III Hard Anodise (25–50 µm, MIL-A-8625 Type III).

Ingress Protection

IP65 (dust-tight, water jet resistant); IP66 (high-pressure water jet); IP67 (temporary immersion to 1 m / 30 min).

*Lead times are indicative and subject to enclosure geometry, finish specification, and custom configuration complexity. Frigate accepts prototype quantities prior to production commitment.

Product Description

Designed for unattended outdoor service across utility-scale farms, rooftop commercial arrays, and hybrid storage deployments. Every enclosure is fabricated against your dimensional and performance specification, not adapted from a standard catalogue.

Frigate’s application engineers evaluate each submission against real-world failure modes, gasket degradation under thermal cycling, galvanic corrosion at cable entry points, and UV-driven surface breakdown before a single part is cut. The result is an enclosure built for the specific environmental stresses of your installation site, not a generic product retrofitted to your assembly.

Operating Temperature

Continuous: −40°C to +75°C. Peak short-term: up to +85°C (material and finish dependent).

Thermal Conductivity

Aluminium body: 205 W/m·K. Passive conduction enables heat spreading from mounted PCBs and power semiconductors to enclosure exterior.

Sealing System

Silicone (VMQ) and Fluoroelastomer (FKM) compression gaskets.

NEMA Rating

NEMA 3R (rain, sleet, ice formation); NEMA 4 (hose-down, splashing water); NEMA 4X

Salt Spray Resistance

≥500 hrs (polyester powder coat on pretreated substrate); ≥1,000 hrs (hard anodise with sealing).

EMI/RFI Shielding

Up to 40 dB attenuation across PV inverter switching frequencies (kHz–MHz range).

Cable Entry Management

Pre-punched and blank gland zones on customer-specified faces. Compatible with M16–M63 metric cable glands.

Internal Mounting

DIN rail (35 mm, EN 60715) top-hat and G-rail profiles; customer-positioned on factory-drilled back-panel.

Fire Resistance

UL 94 V-0 rated gaskets and internal insulation materials.

Environmental Compliance

RoHS 3 (EU 2015/863); REACH (SVHC <0.1% w/w); WEEE compliant.

Technical Advantages

Frigate manufactures solar enclosures across three primary form factor families, compact wall-mount housings for string inverters and MPPT controllers, mid-body free-standing or wall-mount cabinets for DC combiner boxes and hybrid inverters, and large floor-standing field station formats for SCADA interfaces, BOS aggregation, and BESS co-location. Typical dimensional ranges run from 300 mm up to 1,800 mm in height depending on the application, with IP65 through IP67 achievable across all families subject to gasket and closure configuration.

None of these represent fixed SKUs, every geometry, cutout pattern, cable entry face, and mounting interface is defined by your submitted drawing or specification. Frigate’s engineering team confirms design-for-manufacture feedback within 3–5 business days of receiving your dimensional drawing, 3D model (STEP/IGES), or written specification.

Let's Get Started

Need reliable Enclosure for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

Industry Application

Utility-Scale Solar Farms

String inverter housings, DC combiner boxes, SCADA communication enclosures. Pedestal or ground-frame mounting; NEMA 4X and IP66 specification for exposed field conditions.

Rooftop & Commercial PV

Wall-mount inverter and AC distribution enclosures. Compact wallbox formats; UV-resistant powder coat specified for rooftop thermal cycling environments.

Off-Grid & Hybrid Storage

Hybrid inverter and battery management enclosures for UL 94 V-0 fire-rated material compliance. Suitable for BESS co-location per IEC 62933.

Solar Street Lighting & Public Infrastructure

Compact IP67 enclosures for pole-mounted MPPT and battery controllers. IK10 impact rating available for vandalism-exposed installations.

Agricultural Solar (Agrivoltaics)

Hard-anodised NEMA 4X enclosures for high-humidity, airborne particulate and chemical exposure environments. Suitable for greenhouse and open-field agrivoltaic deployments.

EV Charging Infrastructure

AC/DC charger controller enclosures with dual-side cable entry management. EMI attenuation designed for co-located grid-tied solar-EV hybrid installations.

Frigate Approved Quality Management System

At Frigate, quality is built into every stage of manufacturing. Our approved Quality Management System ensures that every material component.

Incoming Material Checking

Before production begins, all incoming materials are checked against specifications, drawings, and supplier documents.

In-Process Inspection

Quality is monitored during manufacturing to prevent defects and maintain process consistency.

Final Dimensional Checking

Finished parts are inspected before dispatch to confirm compliance with customer drawings and tolerances.

Packaging Control

Finished components are packed safely to prevent damage during handling and transportation.

Incoming Material Checking

In-Process Inspection

Final Dimensional Checking

Packaging Control

Quality Document

To help buyers evaluate our quality systems, we provide sample documents that reflect our inspection and reporting standards.

How We Delivered

Complex geometries engineered solutions that move businesses forward.

Solar Inverter Enclosure

units per month

Bento Boxes for D2C Segment

Units Manufactured Monthly

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Defence-Grade Cable Supply

Cost savings

0 %

Flange Assembly for Pump

Faster Production

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Having Doubts? Our FAQ

We have an existing enclosure design from another supplier. Can Frigate manufacture directly from those drawings without redesigning from scratch?

Yes, and this is one of the most common situations we handle. Send us your existing drawings (DXF, STEP, PDF, or IGES) and we’ll review them for manufacturability in aluminium at our facility. If there are minor adjustments needed for tooling or process reasons, our engineers flag them with alternatives before anything is committed. Your IP stays yours; an NDA is available before you share a single file.

We need IP67 but also need significant cable entry, won't the gland penetrations compromise the rating?

Not if the entry system is engineered correctly which is exactly where most off-the-shelf enclosures fall short. Frigate specifies gland plate geometry, gland thread engagement depth, and sealing face compression as part of the enclosure design. IP67-rated metric cable glands (M16–M63) are fully compatible when the entry zones are properly sized and the correct gland type is selected for each conductor category. We confirm the complete cable entry configuration against IP rating as part of our DFM review.

Our deployment site is a coastal solar farm with high humidity and salt-laden air. What finish should we specify?

For coastal and high-humidity tropical environments, we recommend hard anodise (Type III, MIL-A-8625) over standard powder coat, it provides over 1,000 hours salt spray resistance per ASTM B117 versus approximately 500 hours for powder coat on pretreated substrate. If your installation is within a few kilometres of the shoreline or in a region with persistent marine-layer conditions, hard anodise with sealing is the right call. Share your site location and installation type with our team during the enquiry stage and we’ll confirm the appropriate finish specification for your environment.

Can Frigate support ongoing replenishment once we move into full production, or is this a one-order arrangement?

Frigate is set up for ongoing OEM supply relationships, not one-off transactions but to do that well on our end, we need a production order projection from your side. Once we understand your rolling volume and delivery cadence, we allocate dedicated facility capacity and plan material procurement accordingly. This is what allows us to hold lead times stable across your production schedule rather than treating each order as a fresh queue. The earlier we receive your forecast, the better we can structure the supply arrangement around your programme timeline.

We're evaluating two or three enclosure suppliers in parallel. What does Frigate need from us to give a meaningful comparison quote?

A dimensional drawing or STEP file, your target IP and NEMA rating, preferred surface finish, quantity range, and any critical compliance requirements, that’s enough for us to return a technically grounded quote rather than a ballpark number. If you’re at an earlier stage and only have a specification sheet or a rough dimensional envelope, that works too as a starting point. We’d rather give you something accurate to compare against than a fast number that changes later in the process.

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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

GENERAL ENQUIRIES

LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Components Built for Critical Performance

Engineered Products for Critical Applications

Aluminium Solar Inverter Enclosures

Product Description

Operating Temperature

Thermal Conductivity

Sealing System

NEMA Rating

Salt Spray Resistance

EMI/RFI Shielding

Cable Entry Management

Internal Mounting

Fire Resistance

Environmental Compliance

Technical Advantages

Let's Get Started

Industry Application

Frigate Approved Quality Management System

Quality Document

How We Delivered

Having Doubts? Our FAQ

We'd love to Manufacture for you!

LOCATIONS

Registered Office

Operations Office

Other Locations

GENERAL ENQUIRIES

LOCATIONS

Registered Office

Operations Office

Other Locations

GENERAL ENQUIRIES

Get Your Quote Now

Aluminium Solar Inverter Enclosures

Get Latest Price

Aluminium Solar Inverter Enclosures

Get Latest Price