Custom Die-Cut Electromechanical & Switchgear Materials · For switchgear, drive, transformer & data center OEMs

Custom Electromechanical & Switchgear Material Solutions: Insulation, EMI, Sealing, Thermal, Fire Barriers & Data Center Infrastructure

Outdoor standby generator in a white sound-attenuated enclosure beside a commercial building, representing switchgear and backup power systems that rely on die-cut electromechanical insulation, sealing and EMI materials

H-O Products converts glass-epoxy laminates, aramid paper, polyimide film, EMI shielding elastomers, silicone foam, EPDM foam, thermal interface pads, graphite heat spreaders, aerogel insulation, AeroZero® polyimide-aerogel film and acrylic foam tapes into die-cut phase barriers, dielectric insulation, EMI gaskets, enclosure seals, thermal pads, arc and fire barriers, isolation pads, and bonding parts for switchgear, drives, transformers, and data center infrastructure. Made to your drawing, as an ISO 9001:2015 certified organization in Winsted, Connecticut.

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The Electromechanical & Switchgear applications

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Every sub-application in the Electromechanical & Switchgear vertical, each its own page with the materials, failure modes and converting detail for its job.

Insulation & Dielectric · 2 applications
Wide reference photo of power electronics and drive insulation in application context: die-cut polyimide film and thermal interface pads under power modules and gate drivers inside a drive cabinet Insulation & Dielectric · 01 Power Electronics & Drive Insulation Dielectric films and insulating thermal interfaces under power modules, IGBTs, and gate drivers, in polyimide, TIM pads, and graphite. Open page → Wide reference photo of busbar, transformer and motor insulation in application context: glass-epoxy phase barriers and supports on a busbar assembly with aramid paper and mica winding insulation Insulation & Dielectric · 02 Busbar, Transformer & Motor Insulation Phase barriers, supports, and winding insulation in glass-epoxy laminate, aramid paper, polyimide film, and mica. Open page →
Thermal & EMI · 2 applications
Wide reference photo of power module thermal management in application context: die-cut thermal interface pads and graphite heat spreaders between semiconductor modules and a heat sink Thermal & EMI · 03 Power Module Thermal Management Thermal interface pads, gap fillers, and graphite heat spreading between power semiconductors and their heat sinks. Open page → Wide reference photo of EMI shielding gaskets in production application context: a hinged switchgear cabinet door with a continuous conductive elastomer gasket and conductive foil tape at panel seams Thermal & EMI · 04 EMI Shielding for Switchgear, VFDs & Racks Conductive elastomer gaskets, ground-contact pads, and foil-tape seam bridging for shielded enclosures from switchgear to server racks. Open page →
Sealing · 2 applications
Wide reference photo of switchgear cabinet environmental sealing in application context: closed-cell foam door gaskets seated in an outdoor control cabinet door channel with a vent and feedthrough seals Sealing · 05 Switchgear Cabinet Sealing Door, panel, and feedthrough gaskets for indoor and outdoor enclosures, in EPDM, neoprene, and flame-rated silicone sponge. Open page → Wide reference photo of chemical, oil and fluid sealing in application context: a rubberized cork gasket on an oil-filled transformer cover flange with nitrile and fluoroelastomer seals nearby Sealing · 06 Chemical, Oil & Fluid Sealing Oil-filled transformer cover gaskets, chemical-exposed interfaces, and fuel-side seals in cork, nitrile, HNBR, FKM, and ePTFE. Open page →
NVH & Protection · 3 applications
Wide reference photo of arc-flash zones, barriers and chutes in application context: rigid glass-epoxy arc barriers and inorganic fire-barrier layers inside a medium-voltage switchgear compartment NVH & Protection · 07 Arc-Flash & Fire Protection Arc barriers, chutes, and fire-rated linings in glass-epoxy laminate, mica, glass-fiber paper, and FR foams. Open page → Wide reference photo of vibration, shock and acoustic control in application context: isolation pads under a transformer base and anti-vibration foam pads under relays and drive electronics NVH & Protection · 08 Vibration, Shock & Acoustic Control Isolation pads under transformers and heavy components, anti-rattle pads for relays and drives, and acoustic damping materials. Open page → Wide reference photo of structural wear and packaging materials in application context: low-friction wear strips on a drawout breaker rail and protective foam dunnage around switchgear panels prepared for shipping NVH & Protection · 09 Structural Wear & Packaging UHMW and PTFE wear strips for drawout rails, plus shipping protection, dunnage, and surface films for finished gear. Open page →
Bonding · 1 application
Wide reference photo of acrylic foam bonding tape applied along a switchgear cabinet panel seam during assembly, bonding a stiffener bracket to the inside face of a powder-coated steel door Bonding · 10 Structural Bonding & Assembly Acrylic foam, transfer, heat-activated, and pre-powdercoat tapes that bond cabinet frames, panels, brackets, and nameplates. Open page →
Data Center · 3 applications
Wide reference photo of data center power and UPS materials in application context: dielectric film on rack busbars, thermal pads on power conversion modules, and battery-backup cabinet gaskets in a power room Data Center · 11 Data Center Power & UPS Rack power distribution insulation, SiC rectifier thermal interfaces, and UPS / Li-ion battery-backup materials. Open page → Wide reference photo of liquid-cooling infrastructure in a data center white space, with insulated coolant supply and return piping, a coolant distribution unit cabinet with gasketed access panels, and server racks in a contained aisle Data Center · 12 Data Center Cooling & Liquid Infrastructure CDU and RDHx sealing, coolant pipe insulation, aisle-containment gaskets, and immersion cooling fluid-side seals. Open page → Wide reference photo of a data center generator and electrical room, with a standby generator set on isolation pads, switchgear cabinets along the wall, and cable trays passing through fire-barrier penetrations overhead Data Center · 13 Data Center Safety & Generator Systems Cable-tray fire-barrier stacks, generator-room isolation and acoustics, fuel-side gaskets, and server-rack EMI shielding. Open page →
Related application overviews & capabilities
dielectric barriers and insulation washers for high-voltage power equipment. Application overview Energy, Power & High-Voltage Dielectric films, papers and rigid laminates that isolate busbars, windings and high-voltage interconnects. Open overview → elastomer and sponge gaskets staged for an enclosure sealing application. Application overview Engineered Sealing & Gasketing Environmental, EMI and fluid gaskets cut from silicone, EPDM, sponge and foam to the sealing geometry. Open overview → Lithium battery pack module assembly representing the thermal interface, insulation and fire-barrier applications served by thermal materials. Application overview Thermal Management & Insulation Thermal interface, heat-spreading and high-temperature insulation parts for power and battery hardware. Open overview → Vehicle suspension and driveline underbody, the vibration environment addressed by isolation, damping and cushioning materials. Application overview NVH, Shock & Vibration Control Engineered foams and isolators that manage controlled force, shock and vibration across the assembly. Open overview → Acrylic foam bonding tape on a release liner, the fastener-replacement bonding family. Application overview Structural Bonding & Fastener Replacement Acrylic foam and transfer tapes that mount, join and bond parts in place of mechanical fasteners. Open overview →
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Engineering resources for electromechanical & switchgear

Selection guides, failure-mode notes, and project work from H-O engineering, matched to the applications on this page.

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Send a drawing, a system-manual page, or a spec section; partial information is welcome. We typically respond within one business day with a material-family recommendation, the vendor technical data sheet behind it, a prototype lead time, and an honest note on anything that needs a listing holder or a sealant maker rather than a converter.

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Last updated · Reviewed by H-O Products engineering (ISO 9001:2015 certified converter, Winsted, CT).