OSP Labels for Transformers

Schneider Electric transformer OSP (OSHPD) labels and respective catalog numbers for California seismic and building code compliance. A list of qualified transformer enclosure types, mounting configurations, and required labels for healthcare, commercial, and industrial installations.

Transformer OSP Labels

Schneider Electric Low Voltage Transformers have been qualified to the site-specific requirements of the following listed model building code and/or standard. (International Building Code, California Building Code, Uniformed Building Code). Qualification based on tri-axial shake table test results conduced in accordance with the AC156 test protocol 3 (Acceptance Criteria for Seismic Qualification Testing of Non-structural Components).

  • Enclosure 1A to 11A, 12C to 16C, 12B to 15B (Resin Encapsulated Transformers)

  • Enclosure 17D to 31D, 17H to 18H, 17K to 22K, 25J to 31J (Ventilated Transformers)

  • Enclosure 17K to 20K with wall mounting bracket (Ventilated Transformers)

  • Enclosure 17E to 31E (Non-ventilated Transformers)

  • Enclosure MPZ A, AA, B, BB, C, CC (MPZB)

Product is Listed for installation in hospitals in the state of California–OSHPD Special Seismic Certification Pre-approval OSP-0023-10.

Accessory Labels–required for Building Inspection–OSHPD

OSP Label Catalog Number

Products

Enclosure Style

7400CAOSHPDABC

Resin encapsulated, buck boost transformers

Style A, B, C

7400CAOSHPDDH

Ventilated Type EE, drive isolation, auto-transformers

Style D, H

7400CAOSHPDF

Low voltage 750 and 1000 kVA Type EE

Style F

7400CAOSHPDJ

Ventilated Type EX

Style J

7400CAOSHPDK

Ventilated Type EX

Style K

7400CAOSHPDKO

Ventilated Type EX, wall-mounted using Square D brackets

Style K with WMB

7400CAOSHPDMPZB

Mini Power Zone Bolt-on

A, AA, B, BB, C, CC

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