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Transformer Disconnects -

Instrument Transformer

End of Commercialization

Transformer Disconnects mount inside or outside a control system enclosure and provide power to auxiliary, single-phase loads when the main three-phase disconnect is either ON or OFF.

Schneider Eletric
Transformer Disconnects -
  • Features

    The transformer disconnect is normally wired to the line side of the control panel's main disconnect.
    Units consist of copper-wound transformers, a disconnect switch, and primary and secondary fuse blocks. All blocks are installed
    in NEMA 1 or NEMA 12 enclosures.

    Standard Features

    • Applicable standards: UL, cUL, CSA
    • The Square D disconnect switch is rated 600V, 45A, 100kA. The disconnect can be locked in the OFF position
    • Multiple enclosure options to choose from: Standard NEMA 1, Mini NEMA 1, Compact NEMA 1 and NEMA 12
    • Knockouts – conveniently located on NEMA 1 enclosures
    • External mounting flanges with slotted holes for “hook and hang” mounting on NEMA 1 enclosures
    • Ground Terminal
    • 90° access cover stop


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