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-0087 | Danfoss | 10/25/2028 | Details → |
| OSP-0137 | Trane | 10/26/2028 | Details → |
| OSP-0156 | Schneider Electric Square D | 4/24/2029 | Details → |
| OSP-0293 | Yaskawa | 9/28/2028 | Details → |
| OSP-0415 | Toshiba International Corporation | 6/19/2031 | Details → |
| OSP-0422 | Armstrong | 12/5/2030 | Details → |
| OSP-0433 | Yaskawa | 10/3/2028 | Details → |
| OSP-0516 | Rockwell | 6/12/2029 | Details → |
| OSP-0575 | ABB | 11/17/2031 | Details → |
| OSP-0603 | Danfoss | 7/12/2028 | Details → |
| OSP-0687 | Yaskawa America Inc. | 8/22/2031 | Details → |
| OSP-0745 | Trane | 9/14/2028 | Details → |
| OSP-0771 | LS Electric Co, LTD | 7/6/2029 | Details → |
| OSP-0814 | Taco Comfort | 7/25/2030 | 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.