Equipment category · HCAI/OSHPD OSP
Variable Frequency Drives and Starters — OSP Preapprovals
All 31 HCAI/OSHPD Special Seismic Certification preapprovals issued for Variable Frequency Drives and Starters. 14 active, 17 expired, across 16 manufacturers. Source data from HCAI · updated 2026-04-21.
Manufacturers with Variable Frequency Drives and Starters OSPs
| OSP # | Manufacturer | Expires | |
|---|---|---|---|
| OSP-0020 | Schneider Electric Square D | Expired | Details → |
| OSP-0083 | ABB | Expired | Details → |
| OSP-0099 | Eaton | Expired | Details → |
| OSP-0151 | Eaton | Expired | Details → |
| OSP-0316 | Danfoss | Expired | Details → |
| OSP-0333 | Trane | Expired | Details → |
| OSP-0339 | Johnson Controls | Expired | Details → |
| OSP-0346 | Siemens | Expired | Details → |
| OSP-0349 | SyncroFlo | Expired | Details → |
| OSP-0363 | Danfoss | Expired | Details → |
| OSP-0396 | Rockwell | Expired | Details → |
| OSP-0411 | Franklin | Expired | Details → |
| OSP-0429 | Eaton | Expired | Details → |
| OSP-0459 | Siemens | Expired | Details → |
| OSP-0480 | Siemens | Expired | Details → |
| OSP-0565 | ABB | Expired | Details → |
| OSP-0653 | Johnson Controls | Expired | Details → |
About Variable Frequency Drives and Starters OSP preapprovals
Listed records are sourced from the official HCAI OSP page. Always verify status, conditions, and expiration with HCAI before specifying a component. Need PE/SE stamped anchorage calculations for Variable Frequency Drives and Starters on a California hospital project? Talk to a Panache engineer.