The Siemens 3VA9483-0QC50 is a bus connector (spreader link) accessory used with SENTRON 3VA1 / 3VA2 MCCBs (typically 400A / 630A frame size). It is designed to increase pole spacing and provide a broadened front connection for safe and standardized busbar or cable termination in electrical panels.
This accessory is commonly used in MCC, PCC, and industrial switchboards where proper spacing, phase isolation, and busbar alignment are required.
• Siemens SENTRON 3VA accessory
• Model: 3VA9483-0QC50
• Type: Bus connector / spreader link (broadened front mounted)
• Suitable for 3VA1 / 3VA2 MCCB (400A–630A range)
• Designed for 3-pole MCCB applications
• Extends pole-center distance for safer wiring layout
• Improves phase separation and insulation spacing
• Used for busbar connection in panel building
• Strong mechanical and electrical stability
• Industrial-grade Siemens accessory
• Easy mounting with MCCB system
• Enhances wiring safety and accessibility
• Suitable for heavy-duty distribution systems
• Maintenance-free operation
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA |
| Model Number | 3VA9483-0QC50 |
| Product Type | Bus Connector / Spreader Link |
| Accessory Type | Front mounted broadened connector |
| Compatible MCCB | 3VA1 / 3VA2 |
| Frame Size | 400A / 630A |
| Poles | 3 Pole |
| Function | Pole spacing extension + busbar connection |
| Application | Industrial power distribution |
| Mounting Type | MCCB front mounting |
| Material | High-strength conductive + insulating support |
| Brand | Siemens |
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