The Siemens 3VA9257-0GK00 is a rotary operator with shaft stub designed for SENTRON 3VA12 250A MCCBs. It is used as an 8UC retrofit accessory, allowing the circuit breaker to be operated externally through the panel door. This accessory enhances operator safety, improves accessibility, and enables reliable manual switching without opening the electrical enclosure. It is widely used in MCCs, PCCs, switchboards, and industrial power distribution systems.
• Siemens SENTRON 3VA MCCB accessory
• Model: 3VA9257-0GK00
• Rotary operator with shaft stub
• Suitable for 3VA12 250A MCCB
• Compatible with 8UC retrofit systems
• Enables external MCCB operation
• Door-mounted operating mechanism
• Improves operator safety and accessibility
• Compact and robust construction
• Reliable manual switching operation
• Easy installation and maintenance
• Designed for industrial environments
• Ideal for switchboards and control panels
• Long mechanical service life
• Genuine Siemens accessory
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA Accessories |
| Model Number | 3VA9257-0GK00 |
| Product Type | Rotary Operator with Shaft Stub |
| Suitable For | 3VA12 MCCB |
| Compatible Frame Size | 250A |
| Accessory Type | Rotary Operating Mechanism |
| Retrofit Compatibility | 8UC Retrofit System |
| Mounting Type | Door Mounted |
| Function | External MCCB Operation |
| Width | 105 mm |
| Height | 75 mm |
| Net Weight | Approx. 0.20 kg |
| Application | MCCB Control & Isolation |
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