Product type
Disconnect Switches
EMSPEC, now part of HAPAM, builds medium, high and extra high voltage disconnect switches: vertical break, center break, side break, knee type and pantograph designs from 15kV up to 800kV. Hookstick switches and indoor tilt switches for 89SS and 89ND generator applications round out the range, with grounding switches, operators and accessories to match.
Typical applications
Where this equipment goes
- Transmission and distribution substations
- Generator step-up and power plant switchyards
- 89SS and 89ND gas turbine enclosure switching
- Line and bus sectionalizing
- Equipment isolation and grounding for maintenance
- Replacing discontinued or aging disconnects
What we quote
Disconnect Switches we represent
Everything below is a line we are factory-authorized to sell. Ratings shown are the manufacturer's published ranges. Send your specification and we will confirm what fits.
EMSPEC
Disconnect SwitchesVertical Break
- VB1: 15.5kV up to 245kV, 1200A up to 4000A, up to 7000A and 80kA at select voltages
- VSSBIII: extra high voltage, 245kV up to 800kV, 1200A up to 5000A
Center Break
- SR16200, LC1 and LC2: 15.5kV up to 245kV, 1200A up to 4000A
- SR16200V: Vee center break configuration
Side Break
- LS1 Side Break: 15.5kV up to 72.5kV, 600A up to 2000A
- LD1, LD2 and LDW Double Side Break: 38kV up to 362kV, 1200A up to 3150A
- SSBIII Double Side Break: extra high voltage, 245kV up to 800kV, 1200A up to 5000A
Knee Type & Pantograph
- VG1 Knee Type: 123kV up to 362kV, 1200A up to 3150A, folds to half height when open
- SP15506 Semi-Pantograph: 38kV up to 245kV, 1200A up to 3150A
- GSSB Pantograph: 123kV up to 800kV, 3150A up to 5000A
Hookstick & Indoor Switches
Grounding Switches
- 15kV up to 800kV, up to 80kA short time (ST90 at 90kA)
- Stand-alone or built-on, parallel or perpendicular mounting
- Induced current interruption
Operators & Accessories
- MR180 Motor Operator
- RV801, RV402 and RV204 Manual Wormgear Operators
- BT280 Manual Swing Handle Operator
- Arcing horns, quick break whips, load break interrupters, bus transfer devices and mechanical interlocks
Where we can sell it
Disconnect Switches territory
Our agreements are written by state and, in several cases, by ZIP code. Disconnect Switches is available from us in the territories below. Open one to see the exact coverage and who to call.
Not sure whether your site falls inside the territory? Ask us and we'll confirm.
Related product types
Often quoted together
High Voltage Circuit Breakers & GIS
Dead tank, live tank, hybrid and generator circuit breakers with GIS, 38kV to 1200kV.
IN · OH · KY · MI · NY · PA · WV
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Instrument Transformers, Arresters & Capacitors
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Field Service, Repair & Retrofits
Commissioning, maintenance, breaker and relay retrofits, transformer repair and asset health.
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Need a price on disconnect switches?
Send drawings, a one-line or a specification and we'll come back with factory pricing and lead time.