VOLTAGE CLASSES
Low-voltage vs. medium-voltage switchgear
Low-voltage switchgear (600V class and below) is the commercial/industrial workhorse: 800–6000A power breakers feeding factories, hospitals, and large buildings. Broadest buyer pool, fastest-moving used market. Medium-voltage switchgear (5kV, 15kV, up to 38kV) serves utilities, heavy industry, and large campuses with vacuum or SF6 breakers. Fewer buyers, much bigger tickets, and testing matters more — insulation resistance, contact resistance, and relay calibration reports are expected, not optional. If you are selling medium-voltage gear, the test reports are half the value proposition: no engineer buys a 15kV breaker on looks alone. Photograph the voltage class from the nameplate first — it determines which market you are selling into.
QUESTIONS
Switchgear questions, answered.
What is used switchgear worth?
It ranges enormously — from individual drawout breakers worth hundreds to complete medium-voltage lineups worth tens of thousands. Voltage class, breaker condition, relay vintage, completeness, and documentation decide it. Send photos for today’s price.
What is a drawout breaker?
A breaker mounted on a racking mechanism that rolls in and out of its cubicle — allowing safe isolation for maintenance without de-energizing the whole lineup. The defining feature of switchgear vs. simpler panelboards.
Do you buy individual breakers from a lineup?
Yes — tested drawout breakers with good trip units are valuable on their own. But a complete lineup is worth more together than parted out, so talk to us before splitting one up.
What paperwork should I keep?
Everything: one-line diagrams, wiring schematics, relay setting files, test reports, maintenance logs, and the original submittals. Documentation is a major value component.
How is switchgear removed?
By professional riggers — sections unbolt and move individually. Coordinate with the buyer before anyone touches it.