VersaPack™ VPA6004812

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Compatibility Features

  • Phase

    • Single-Phase
    • 3-Phase 3-Wire

  • Ratio

    • 4:1 ratio 12.5 VA

The VersaPack™ is part of the FlexPack System™ PVDT transformers from TSTM. The associated models (ratio’s) are the same revenue-accuracy toroidal autotransformer in the VT Packs™. The transformer is individually encased in epoxy inside a flame retardant polycarbonate enclosure.

The VersaPack “System” is for use with modern wide voltage range solid state meters as well as older induction (disk-type) watthour meters where traditional VT’s are used. The VersaPack 4:1 ratio transformer is used in single phase, three phase 3-wire delta or three phase 4-wire delta applications based upon a 120V secondary. The number of transformers required are:

Single phase 2 or 3-wire, 480V is (1) or (2) based upon the meter Form 3S or 4S
Three phase 3-wire delta, 480V is (2) for meter Form 5S, 35S/45S

The VersaPack™ mounts on a required TSTM Backplane very much like a single-phase residential circuit breaker. The Backplane, which can accept up to three VersaPacks™, can be mounted in a pad mount transformer, transformer cabinet, in one of our enclosures designed for that purpose ( refer to “Product” page, “Enclosure” tab, Long Narrow or Universal ), or other convenient location. . Many meter socket manufacturers offer “extended” sealed compartments to accommodate the VersaPack / Backplane isolating the 480 volts. The VersaPack™ is not designed to be mounted outdoors.

Example photo shown. Label will vary by model.

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Accepted Conductor Size #14 - #6 Cu
Accuracy +/- 0.3% @ 12.5VA @ .1 PF lag
Rated Primary Voltage 480 volts
Insulation Level 10 kV BIL
Thermal Rating 300 VA @ 55° C
Transformer Type Toroidal autotransformer
Over Voltage Withstand 960 volts for 1 minute
Enclosure Blue/gray, flame retardant (V0 rating) polycarbonate
Size 5.5 in. wide X 4.25 in. high X 3 in. deep
Weight 4.56 lbs.
Module Case Color Blue

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