Siemens
Siemens SENTRON Front Mounted Rotary Operator
Part No.
3VA9157-0EK21
Procurement Intelligence
The SENTRON series front-mounted rotary operator is a manual control accessory designed for integration with SENTRON circuit breakers and switch disconnectors in industrial distribution panels. It enables safe, ergonomic load isolation and switching operations from the front of enclosures. Critical verification: confirm mechanical compatibility with specific SENTRON breaker model and IP30 rating adequacy for intended installation environment.
Manual load isolation switching
Before ordering — verify:
| ☐ | Mechanical compatibility verification |
| ☐ | IP30 environmental suitability |
| ☐ | Panel cutout dimensions |