Generator Enclosures
Custom Enclosures for Any Generator Application.
3S International designs and manufactures generator enclosures for OEMs, EPC contractors, and end users — from standard drop-over housings to fully integrated, sound-attenuated, seismic-rated packages up to 3 MW.
Built for the Generator Industry
With decades of experience in generator packaging, 3S International delivers enclosures that meet the most demanding site, acoustic, and structural requirements. Our engineering team designs every enclosure in SolidWorks before fabrication, and our ISO 9001:2015 certified production process ensures consistent quality at volume.
Enclosure Products
Drop-Over Enclosures
Standard and custom drop-over generator enclosures designed for fast field installation over existing generator sets. Available in a range of sizes and configurations.
Sound-Attenuated Packages
Acoustically engineered enclosures with sound-attenuating lining, baffled ventilation, and critical-grade silencing for noise-sensitive installations.
Seismic-Rated Housings
Structurally engineered enclosures rated for seismic zone requirements — designed and documented to meet IBC and site-specific seismic specifications.
Containerized Power Modules
Fully integrated containerized generator packages including fuel system, cooling, exhaust, controls, and switchgear — ready for deployment.
Cold-Weather Packages
Insulated enclosures with block heaters, battery warmers, and cold-weather starting systems for reliable operation in extreme low-temperature environments.
Battery Storage Enclosures
Custom enclosures for battery energy storage systems (BESS) — designed for thermal management, ventilation, and structural integrity.
Key Specifications
Up to 3 MW
Max Generator Size
Low & Medium Voltage
Voltage Range
ISO 9001:2015
Certifications
1,000+ Units
Annual Capacity
SolidWorks 3D CAD
Design Tool
IBC Compliant Available
Seismic Rating
Need a Custom Enclosure?
Our engineering team will design an enclosure to your generator model, site requirements, and acoustic specifications.
Request Engineering Review