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Overview

Douglas Electrical Components designs and manufactures standard and custom hermetic connectors, feedthroughs and seals for power generation, transformers, switchgear, network protectors, and other electrical distribution equipment.  With reliability and stability foundational elements of the power gen industry, we focus on the value of high-quality connections and product availability.  We design custom electrical feedthrough harnesses for a variety of applications to ensure a hermetic seal at the bulkhead or panel, regardless of conductor size or length.  We can work with any electrical component, whether its wire, cable, or connectors. Douglas Electrical has decades of experience supporting the electrical distribution market and continues to scale our growth as the demand for reliable power sources continues. Our feedthroughs are used in existing designs as well as chosen for new technologies. Our chemically inert epoxy creates design flexibility when designing hermetic feedthroughs in contact with the various liquids and gases used in power generation and distribution equipment.

Additionally, Douglas Electrical Components manufactures hermetic solutions and integrate end-to-end hermetic connectors, perform hipot and leak tests to customer specifications, and work to an aggressive schedule to deliver on-time to our customer needs.  We work with customers to design turn-key solutions that drop into existing systems.

Feedthrough Solutions

Images
PotCon power feedthrough assembly

PotCon Power Feedthrough Assembly

PotCon hermetic power feedthrough assembly. Hermetically seal cables directly into the bulkhead connector assembly.

Multi-conductor hermetic wire feedthrough with NPT Threads

DuctorSeal Wire Feedthru

Multi-conductor hermetic wire feedthrough with NPT Threads

Explosion-proof rated wire bushing with brass fitting and labeled conductors

Hermetic NPT Wire bushing

Explosion-proof rated wire bushing with brass fitting and labeled conductors

hermetic backpotted connector assembly with integral wires

hermetic backpotted connector assembly with integral wires

hermetic backpotted connector assembly with integral wires

PotCon industrial circular metric connector with integral wires

Hermetic Circular Connector

PotCon industrial circular metric connector with integral wires

explosion-proof conduit seal with cable to wire

Ex-proof Conduit Seal

explosion-proof conduit seal with cable to wire configuration and armor jacket

fiber optic duplex threaded hermetic feedthrough

Fiber Optic Duplex Feedthru

Threaded hermetic feedthrough for optical signal transmission with integral connectors

waterproof connector assembly

Waterproof Push-Pull Connector Assembly

Waterproof connector assembly; seal non-hermetic connectors in cost effective packages with Douglas JacketSeal.

hermetic wire power feedthrough connector

Hermetic Wire Power Feedthrough Connector

Hazardous area conduit seal assembly with integral connector

Hermetically sealed connector--to-wire feedthrough with NPT threads for panel mounting

RBTW Waterproof Feedthru

Hermetically sealed connector--to-wire feedthrough with NPT threads for panel mounting

Hermetically sealed sensor assembly

Hermetically Sealed Sensor Assembly

Hermetically sealed sensor assembly where the sensing element is exposed to the operating environment, but the housing and wire are hermetically sealed.

Water tight cable harness assembly with integral connectors

Water-tight Cable Harness Assembly

Integral circular connectors in harness meeting water-tight requirements.

Water-tight sealed fiber optic cable assembly

Water-tight Fiber Assembly

Water-tight sealed fiber optic cable assembly

Water-proof cable assembly

Water-proof Cable Assembly

Water-proof cable assemblies available with custom integral connection options to retrofit existing wiring or meet new requirements.

fiber optic NPT threaded electrical feedthrough conduit seal

NPT Fiber Optic Wire Bushing

Fiber optic NPT threaded electrical feedthrough conduit seal

hermetically sealed electrical feedthrough from PCB to cable in threaded housing

Sensor Hermetic Assembly

Hermetically sealed electrical feedthrough from PCB to cable in threaded housing

hermetic NPT cable feedthrough with M12 connectors

Hermetic M12 Feedthrough with NPT Bulkhead Mounting

Connectorized 6 Position M12 hermetic cable assembly designed for NPT bulkhead mounting

Features

TECHNICAL ADVANTAGES
  • Power solutions up to 30,000V AC
  • Industrial hermetic circular connector solutions using any manufacturer or series (M8, M12, etc.) provide both waterproof connectorization and hermetic mounting
  • 100% quality control testing on all shipments, including Helium leak, pressure, and electrical tests
  • Robust, long-term sealing producing decades of reliable performance
  • Epoxy-based hermetic seals are chemically compatible with a variety of liquids and gases.
  • Bulkhead fittings are available in standard off-the-shelf configurations or custom designed and utilize materials including brass, aluminum, plated steel, and stainless steel
  • Ability to use variety of cable materials, wire conductor types, AWG’s, and lengths and customize to customer specifications
  • Full cable harnessing with hermetic properties for turn-key installation
  • Integrate hermetic seals directly into active sensing elements.
VALUE ADDED CAPABILITIES
  • Connectorized wire feedthrough assemblies and harnesses
  • Custom materials and machining
  • Directly integrate existing connectors, wires, cables, and termination boxes

Documents

Literature
transmission and distribution feedthru cover page

Transmission & Distribution Capabilities Brochure

PDF Catalog
transformer feedthru cover page

Liquid/Oil Immersed Transformer Feedthrough Capabilities Brochure

PDF Catalog
Douglas Electrical Components Catalog Cover

Douglas Electrical Components Catalog

PDF Catalog

Epoxy Line Bushings vs. Cement

PDF Catalog
Whitepapers

Epoxy-based Hermetic Feedthroughs Boost Switchgear Reliability

PDF Catalog
hermetic seal whitepaper cover

Types of Hermetic Seals: Glass-to-Metal Vs. Epoxy

PDF Catalog
backpotting connector cover

Five Reasons to Design with a Hermetic Backpotted Connector

PDF Catalog
sensor whitepaper cover

Sealed Sensor Assembly Gets A Reliability Boost

PDF Catalog
when wire feedthroughs make sense whitepaper cover

When Wire Feedthroughs Make Sense

PDF Catalog
Certificates & Standards

ISO 9001:2015 Certificate

PDF Catalog

ISO 14001:2015 Certificate

PDF Catalog

UL 1203 Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations

PDF Catalog

UL764 Component Wiring Harnesses approval

PDF Catalog

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