POWER AND DATA MANAGEMENT

VFI Transformer

PDM's three-phase Vacuum Fault Interrupter (VFI) transformer delivers dual functionality in a single, compact, and cost-effective solution.
VFI Transformer
VFI transformer

Capabilities

PDM’s three-phase Vacuum Fault Interrupter (VFI) transformer delivers dual functionality in a single, compact, and cost-effective solution. Integrating a pad-mounted transformer with a VFI, this unit provides voltage transformation and transformer/loop overcurrent protection within a design that streamlines installation, lowers costs, and minimizes space requirements. 

Designed to the DOE Energy Star efficiency standards.

Built and tested in accordance with NEMA, ANSI C57, and IEEE, as applicable.

UL Listed to meet standards for sustainability and safety.

VFI transformer

Specifications

Three Phase, Oil-Filled VFI Padmount Transformers

Size
15kV, 25kV, 35kV
Frequency
60 or 50
Cooling Class
ONAN or KNAN
Temperature Rise
55°C, 65°C, 55/65°C, 75°C
Voltage Configuration (Δ or Y)
DELTA/wye, WYE/wye, WYE/delta 
600kV
208, 240, 416, 480, 600
2.5 - 5kV
2400, 4160, 4800
15kV
12000, 12470, 13200, 13800, 14400
25kV
20780, 21600, 22900, 24940, 26400
35kV
33000, 34500
VFI padmount three phase oil filled

Design

3750 kVA
Primary Voltage 34500 Y
Secondary Voltage: 480 y

Client Testimonials

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