Schneider Electric 15T2F Dry-Type Sealed Transformer

Technical Dossier

Product Details And Specifications

Schneider Electric 15T2F Series Technical Notes

The Evolution of 15T2F Architecture

The 15T2F family traces its lineage to Schneider Electric's Square D brand transformer portfolio, which was consolidated under the Schneider Electric umbrella following the 1991 acquisition. Early production units (pre-2000) used Class B (130°C) insulation systems with varnish-impregnated windings. Post-2005 revisions migrated to Class F (155°C) and Class H (180°C) insulation, extending thermal life in high-ambient enclosures. The sealed construction eliminates moisture ingress — a critical requirement for coastal refineries and offshore installations operating in IEC 60529 IP54-equivalent environments. Compatibility considerations: the 15T2F series uses standard NEMA mounting footprints compatible with Square D Type 9070 mounting brackets. Units produced before 2003 may require adapter plates when retrofitting into newer Schneider Electric Prisma or Okken switchgear enclosures. The series is now classified as mature/end-of-active-production by Schneider Electric; replacement equivalents are found in the 9070T and SE8UD series, though direct dimensional and terminal compatibility must be verified per individual SKU.

15T2F Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the Schneider Electric 15T2F sealed dry-type transformer family, organized by VA rating and application function:

15T2F: 50 VA, 240×480V primary / 120V secondary, single-phase sealed control transformer, general-purpose DCS panel supply.
15T2F1: 50 VA, 240V primary / 120V secondary, single-phase, compact footprint for Modicon Momentum cabinet rails.
15T2F2: 75 VA, 240×480V primary / 120V secondary, sealed, for PLC I/O power conditioning in petrochemical panels.
15T2F3: 100 VA, 240×480V primary / 120V secondary, single-phase, standard industrial control transformer for MCC applications.
15T2F4: 150 VA, 240×480V primary / 120V secondary, sealed encapsulated, for high-inrush relay and solenoid circuits.
15T2F5: 200 VA, 240×480V primary / 120V secondary, single-phase, used in Modicon Quantum power distribution sub-panels.
15T2F6: 250 VA, 240×480V primary / 120V secondary, sealed, for motor starter auxiliary control circuits in refinery environments.
15T2F7: 300 VA, 240×480V primary / 120V secondary, single-phase sealed, for large DCS marshalling cabinet power rails.
15T2F8: 350 VA, 240×480V primary / 120V secondary, sealed, for multi-relay panel boards in nuclear auxiliary systems.
15T2F9: 500 VA, 240×480V primary / 120V secondary, single-phase, high-capacity sealed transformer for complex PLC cabinet assemblies.
15T2F10: 750 VA, 240×480V primary / 120V secondary, sealed, for large-scale I/O cabinet power distribution in offshore DCS systems.
15T2F11: 1000 VA, 240×480V primary / 120V secondary, single-phase sealed, for Modicon Premium and Quantum main cabinet power supply.
15T2F12: 1500 VA, 240×480V primary / 120V secondary, sealed encapsulated, for high-load industrial control panel applications.
15T2F13: 2000 VA, 240×480V primary / 120V secondary, single-phase, for large motor control center auxiliary power distribution.
15T2F14: 3000 VA, 240×480V primary / 120V secondary, sealed, for plant-wide DCS power conditioning in heavy petrochemical facilities.
15T2F15: 5000 VA, 240×480V primary / 120V secondary, single-phase sealed, for main control room UPS bypass and power conditioning panels.