Shrubline VFI vacuum fault interrupter

Switchgear

Eaton Cooper Power series Shrubline VFI vacuum switchgear provides fault interruption and convenient load switching for underground systems up to 25 kV. Additionally, the switchgear is designed for outdoor mounting on a concrete pad and employs oil as the insulation medium to provide a compact, low-profile installation.

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Overview Technical Resources

Vacuum interruption

Fault current interruption and load make/break switching

Deadfront construction

Minimises high voltage safety hazards

Fully integrated controls package

Meets specific distribution system protection requirements

Core features

Provides protection of intermediate in-line faults, tap or branch lines and isolated loads, as well as protection for normally open points in loop-fed URD systems
Provides fast, low-energy arc interruption
Meets the full requirements of ANSI/IEEE standard 386 for separable insulated connector systems
Features a deadfront, tamper-resistant, low-profile construction
Includes provision for padlocking the cabinet to prevent unauthorised door opening

Deadfront, tamper-resistant, low-profile construction minimises high-voltage safety hazards

Cabinets meet the enclosure security requirements of ANSI standard C57.12.28 and are suitable for operation in areas subject to excessive moisture, occasional flooding and blowing snow.

Bushing wells are standard and externally replaceable

15/25 kV 200A bushing wells are provided as standard. The wells meet the full requirements of ANSI/IEEE standard 386 for separable insulated connector systems. Bushings are mounted in-line and are located at a minimum of 20 inches above the pad. Bushing wells are externally replaceable.

Specifications

Ratings

	15kV	25kV
Maximum design voltage, kV	15.5	27
BIL, kV	95	125
1-Minute withstand (60 Hz) interrupter and terminators, kV	34	40
Continuous current (max), A	200	200
Interrupting current (sym./asym.), kA	12/20	12/20
Momentary current 10 cycles (asym.), kA	20*	20*
3 Sec. (sym.), kA	12*	12*
Making current (sym.), kA	12	12*
Transformer magnetizing interrupting current, A	21	21
Cable charging interrupting current, A	10	25
*Interrupter only. Short time-current ratings of bushings are 10 kA (sym.).

Standard features

Pentahead bolt with padlockable hasp to prevent unauthorised door opening
Parking stands
15/25 kV bushing wells (standard) meet the full requirements of ANSI/IEEE standard 386
Grounding lugs
Oil fill plug
Liquid sight gauge provides visual indication of liquid level within tank
Tri-phase electronic control
Shrubline VFI operating handle
Oil drain plug and sampler

Download Links

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Additional literature

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