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JST Power Equipment

J20N Dry Air Gas-Insulated Switchgear

The JST Power Equipment J20N is a 38 kV SF6-free dry air gas-insulated switchgear for utility distribution substations and renewables interconnection, sold and supported in Texas and Oklahoma and on data center projects nationwide by Ryan Sales.

  • 38 kV
  • 1200 A
  • 31.5 kA
  • BIL 170 kV phase-to-phase and phase-to-ground
  • SF6-free dry air insulation
Overview

The J20N extends JST's dry air GIS platform to 38 kV, 1200 A, 31.5 kA with 170 kV BIL, with a 69 kV class in development. By replacing SF6 with natural dry air it eliminates greenhouse-gas handling and reporting burdens while keeping the sealed-tank reliability of GIS. UL listed, built to ANSI/IEEE/NEMA standards with internal arc classification, and serviced entirely from the front panel.

Specifications
Voltage class38 (69 kV planned)
Continuous current1200 A
Short-time withstand31.5 kA
BIL170 (phase-to-phase and phase-to-ground) kV
InsulationSF6-free dry air
Footprint reductionUp to 75% vs. air-insulated switchgear
Internal arc classificationIEC & IEEE IAC
CertificationsUL listed
StandardsANSI / IEEE / NEMA

Ratings from manufacturer data. Confirm your configuration with a rep.

Applications
  • Utility distribution substations
  • Renewables interconnection
  • Data centers
  • Industrial facilities
Spec sheets & documents
Frequently asked questions
Who sells the JST Power Equipment J20N Dry Air Gas-Insulated Switchgear in Texas?

Ryan Sales, a manufacturers' representative based in Magnolia, Texas, sells the JST Power Equipment J20N Dry Air Gas-Insulated Switchgear and supports customers across Texas and Oklahoma and on data center projects nationwide through regional reps. Call (281) 363-1106 or request a quote on this page.

How does the JST J20N differ from the J10N dry air GIS?

The J20N extends the same SF6-free dry air platform from 5 kV to 38 kV. It is rated 38 kV, 1200 A and 31.5 kA with 170 kV BIL, compared with the J10N's 5 kV, 600 A, 20 kA and 75 kV BIL. A 69 kV version of the J20N is planned.

What are the benefits of the J20N's SF6-free dry air insulation?

By replacing SF6 with natural dry air, the J20N eliminates greenhouse-gas handling and reporting burdens while keeping the sealed-tank reliability of gas-insulated switchgear. It saves up to 75% of space versus air-insulated gear, is serviced entirely from the front panel, and is UL listed with IEC and IEEE internal arc classification.

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