The 3VL9300-3HF05 is a Siemens door‑coupling rotary operating mechanism designed for safe, external operation of molded case circuit breakers. It enables through‑door control without opening the cabinet, supporting 3VL1/2/3, VL160, VL160X, and VL250 series breakers.
Figure 1 shows the front panel of 3VL9300-3HF05.


Table 1 shows the Quick Specs
| Item | Value |
|---|---|
| Part Number | 3VL9300-3HF05 |
| Brand | Siemens |
| Type | Door‑coupling rotary operating mechanism |
| Protection | IP65 |
| Compatibility | 3VL1/2/3, VL160, VL160X, VL250 |
| Color | Light gray |
| Net Weight | 0.8 kg |
| Parameter | Details |
|---|---|
| Manufacturer | Siemens |
| Product Line | Sentron 3VL |
| Product Type | Door‑mounted rotary operating mechanism |
| Mounting | Through‑door installation |
| Handle Style | Rotary, Ti‑gray |
| Masking Plate | Light gray |
| Matching Series | 8UC7 |
| Shaft Length | 300 mm (12 in) |
| Protection Degree | IP65 |
| Compatible Breakers | VL160, VL160X, VL250; 3VL1, 3VL2, 3VL3 |
| Net Weight | 0.8 kg |
| Origin | Germany |
| RoHS | Compliant |

