Medium Voltage Transformer Feeders
Reliable Transformer Feeders for any application
Benshaw Medium Voltage Transformer Feeders provide safe, reliable, and flexible protection for a wide range of load requirements. Built with rugged enclosures available in NEMA 1, 12, and 3R configurations, each feeder features isolated medium- and low-voltage compartments and is equipped with load break disconnect switches, Class “E” fuses, vacuum isolation contactors, and customer-selected protection relays. Offered in multiple designs and sizes, Benshaw transformer feeders deliver the same proven performance in both standard and compact configurations.
Configurations
MVTF Series Transformer Feeder
Benshaw MVTF Series Medium Voltage Transformer Feeders offer the same rugged, reliable design as our FVMD load break disconnect switches … providing a cost-effective alternative to support transformer feeds.
Enclosures are available in NEMA 1, NEMA 12 and NEMA 3R configurations. Each enclosure consists of two distinct compartments with separate medium voltage and low voltage sections. Standard combination CFMVTX transformer feeds are supplied with individual load break/fault make disconnect isolation switches, Class “E” current limiting fuses, vacuum isolation contactors for shunt protection and a customer-selected feeder protection relay.
Standard Features
The standard transformer feeder combination “CFMVTF” package includes:
- NEMA 1, 12, 3R enclosure
- Disconnect switches:
– Rotary or flange
– Load break/fault make
– Grounding bar
– Viewing window - Individual line fusing
– Class “E”
– Current limiting - Vacuum isolation contactor for fault shunt
- Red ON and Green OFF pilot lights
- Amber FAULT pilot light
- Customer-specified feeder protection relay with CTs and ground fault CT
MVDF Series Dual Transformer Feeder
Benshaw is now able to offer the same rugged and reliable product design, but in a smaller package for smaller load requirements. Enclosures are available in NEMA 1, 12 or 3R configurations. The enclosure consists of two distinct isolated compartments for medium voltage. Standard combination MVDISC2H transformer feeds are supplied with two individual load break/fault make disconnect isolation switches, individual Class “E” current limiting fuses up to 200E, individual vacuum isolation contactors for shunt protection and a customer-selected feeder protection relay.
Standard Features
The standard dual transformer feeder combination “CFMVTFDH” package includes:
- NEMA 12
- Individual disconnect switches:
– Flange
– Load break/fault make
– Grounding bar
– Viewing window - Individual line fusing
– Class “E”
– Max. rating 200E - Individual vacuum isolation contactor for fault shunt
- Red ON and Green OFF pilot lights
- Amber FAULT pilot light
- Customer-specified feeder protection relay with CTs and ground fault CT for each section









