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VFI
Kyle® Type VFI Vacuum Fault Interrupter pad-mounted switchgear provides superior overcurrent protection with proven, reliable Kyle vacuum interrupters—instead of fuses. The resettable VFI breaker mechanism allows immediate service restoration, eliminating the added downtime and expense associated with replacing conventional fuses.
VFI oil or SF6 insulated switchgear can be used for both utility and commercial/industrial applications, and can be easily coordinated using field-selectable settings to meet distribution system requirements.
Many commercial loads include large three-phase transformers and motors. Until now these were protected by single-phase fuses. The VFI's optional automatic three-phase ganged tripping avoids the overvoltage and ferroresonance disasters caused by "single-phasing". Optional visible break feature is available on some models.
Kyle Type VFI Vacuum Fault Interrupter Brochure
Kyle Type VFI Vacuum Fault Interrupter Installation, Operation and Service Manual - Oil / SF6
VACpac®
Cooper Power Systems VACpac Switchgear may be used to switch load, loop, capacitor, cable charging and magnetizing currents. Vacuum bottle interrupters in SF6 insulating gas and its extremely high duty cycle makes the VACpac ideally suited for automated applications that require a large number of switching operations.
The unique space saving, light weight, and compact design is suitable for indoor or outdoor applications. It can be mounted on walls, ceilings, manholes, vaults or cabinets without any special building or liquid containment requirements. A variety of remote operating mechanisms are available.
VACpac Vacuum Switchgear Brochure
Kyle® PST Padmount Source Transfer
Automatic Source Transfer Switchgear – The Ability In Reliability. Critical customer loads, such as health, educational, financial, and manufacturing facilities, require optimum power quality and reliability. These loads are normally provided with a preferred and an alternate source of power. Source transfer packages are used to switch the load to the alternate source when the preferred source is lost, and to transfer back when voltage is restored.
PST (Padmount Source Transfer) packages are self-contained devices, which provide automatic source transfer in 6 cycles or less, and fault protection for 15, 25 and 35 kV underground systems. When reliability and power quality are critical, the PST offers:
- 15, 25, 35 kV
- Fast source transfer
- Improved system reliability Vacuum interruption
- Deadfront construction
PST combines several time-proven Kyle products:
- S control, which performs the automatic transfer based on loss of voltage detection
- TPG control, which provides fault detection
- CI vacuum fault interrupters, which perform three-phase switching and fault interruption.
- PST Packages
The industry-standard PST Model 6, which includes two CI mechanisms that are operated by an S control during loss of voltage conditions (transfer), and by a TPG control during fault conditions (tripping).
Kyle PST Brochure
Kyle PST Installation, Operation & Maintenance Instructions - PST-6 / PST-9
Kyle® MOST Oil-Insulated Switchgear 
Wide Selection and Versatile Application on a Narrow Budget. MOST pad-mounted switchgear provides a simple, economical approach to switching for 15, 25, and 35 kV underground systems. It is suited for utility and commercial/industrial requirements. MOST switchgear fits the majority of standard pads and is compatible with commonly used tools and techniques.
MOST is easily adaptable to most distribution systems, with:
- Wide selection of fuse ratings
- 15, 25, 35 kV
- Sealed tank
- Simple, economical operation
- Low profile
- Field-proven components
- Switching and fusing flexibility
- Deadfront construction
MOST Switching System
The Kyle three-phase, gang-operated loadmake/loadbreak oil sectionalizing switches used in MOST switchgear have a history of more than thirty years of successful application. Positive position indicators assure safe operation. The side-mounted switch can be operated by shotgun stick or an optional manually operated handle. Front-mounted switches are also available.
Four switch options are available with the MOST:
- Two-position open/close
- Four-position selector blade
- Four-position “V” blade
- Four-position “T” blade
Kyle’s “V” and “T” blade designs are unique in that they perform the function of three separate open/close switches. Combining multiple functions on one switch permits quicker and more reliable operation. For applications where parallel loops are required, break-before-make operation is guaranteed. When oil sectionalizing switches are used, the need for interlocks is eliminated.
Kyle MOST Oil-Insulated Switchgear Brochure
Kyle MOST Oil-Insulated Switchgear Installation, Operation and Maintenance Instructions
Kyle® RVAC Vacuum Switchgear 
Better switch to better protection. When you require frequent 600 A main line switching or fuse protection, you require RVAC. It’s perfect for applications like shopping malls and industrial parks.
Features:
- 15, 25, 35 kV
- Vacuum interruption
- 600 A switching
- Oil, Envirotemp® FR3™ fluid, or SF6 insulation available
- Distribution automation
- Low profile
- Deadfront construction
RVAC pad-mounted vacuum switchgear is designed for applications where frequent 600 A main line switching and fuse protection are required. RVAC incorporates vacuum interruption, designed specifically for repetitive switching duty and proven through decades of field usage. A wide range of current-limiting fusing options provides simple, easy coordination with system requirements. Available in single- or three-phase units.
Vacuum Technology
Cooper Power Systems’ Distribution Switchgear products incorporate vacuum technologies, which have advanced the durability and extended the application base for vacuum products. The patented axialmagnetic field vacuum interrupter is the most advanced vacuum interrupter in the world.
ANSI® Padmount Switchgear Standard
RVAC meets ANSI® C37.72, which specifies complete deadfront construction. The RVAC’s vacuum load-break switches also meet the stringent ANSI® switching duty cycle, not only at 15 kV, but at 25 kV and 35 kV, as well.
Distribution-Automation Accessories
DC Motor Operators and SCADA accessories are available for RVAC switchgear. These accessories will allow for remote operation and monitoring of the unit, which speeds up the circuit/load reconfiguration. The motor operator control can handle up to six motors, and it has SCADA contacts for remote operation and status indication.
Kyle RVAC Vacuum Switchgear Brochure
Kyle RVAC Vacuum Switchgear Installation, Operation and Maintenance Instructions
For more information or to request a quote, contact RM Reps.
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