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THRADD
An industrial plant lit up at dusk, seen from the air, stacks and process towers against a soft sky

Send us theproblem.We find the part.Send us the problem. We find the part.

Circuit breakers, bushings and a steel gantry in a high-voltage substation against a clear sky

From the substation to the rack.

From the grid to the rack

Every point on the power path has parts we source.

Hover or tap a point on the drawing. The panel lists, in plain words, what we source and quote there.

Selected point

Utility feed

Where the utility line meets the site.

We source and quote

  • Surge arresters
  • Disconnect hardware
  • Current transformers
  • Connectors and compression lugs
  • Poles and line hardware
  • Primary cable
A power station's cooling towers pouring steam under a storm sky, seen from the air

A part we have never sourced still gets a manufacturer search.

What we source, and how a request works

The line card, as a shelf.

Send the problem, we search, we quote price and lead time, we deliver and stay on the order.

The full product index

Download the line card (PDF)

  • Two bushings rising from a substation circuit breaker
    • Fault-pressure relay valves
    • Bronze globe and sampler valves
    • Drain valves and drain plugs
    • Butterfly valves
    • Packing kits
    • Bushings
    • Gauges and relays
    • Tap-changer parts
    • Corona caps
    • Current transformers
  • A distribution transformer with its radiator fins, painted green
    • FR3 natural ester fluid
    • Type II mineral oil
  • Black rubber O-ring seals of different sizes
    • Transformer gaskets
    • O-rings
    • Sealing kits
    • Packing
    • Gasket sheet
  • Insulators and bus clamps on a substation disconnect against a blue sky
    • Couplings, fittings and service components
    • Substation and line hardware
    • Poles
    • Meter cans
    • Lighting and brackets
    • Grounding hardware
    • Safety ladders
  • Wooden reels of cable on a plant floor
    • Compression lugs
    • Splices and terminations
    • Primary and low-voltage cable
    • Structured cabling and fiber
    • Sleeving
  • Medium-voltage switchgear cubicles in an electrical room
    • Fuses and fuseholders
    • In-line disconnects
    • Surge and lightning arresters
    • Breakers
    • Protection relays
  • An industrial diesel generator in a yellow soundproof enclosure on a concrete pad
    • Diesel and gas generator sets
    • Generator parts and service items
    • Transfer switches
    • UPS systems
    • Battery strings and monitoring
  • A flanged gate valve on a bench with more valves behind it
    • OEM and aftermarket parts
    • Discontinued lines
    • Legacy Ferranti-Packard and Trafo-Union transformer platforms
    • MRO, safety and environmental consumables

The lines we quote

  • Siemens Energy
  • ABB
  • GE Vernova
  • Caterpillar
  • Generac
  • Hubbell
  • Qualitrol
  • FR3
  • Weidmann
  • Reinhausen
  • Milwaukee Valve
  • Techflex

Marks belong to their owners. THRADD quotes and sources these lines.

Container cranes over a working dock under a pale sky

Freight coordinated and tracked until it lands.

Send us the nameplate.