Product Description
The Siemens VB671 is a specialized single-branch mounting hardware strap kit engineered to connect Vacu-Break switches to the interior bus of Siemens and ITE panelboards or switchboards. This aluminum strap kit is essential for contractors and industrial electricians installing or retrofitting fusible switches into existing power distribution systems.
Designed for versatility across multiple generations of equipment, the VB671 provides a secure, high-conductivity link for switches with a mounting height of 7.5 or 10 inches. Its rugged aluminum construction ensures long-term reliability and efficient heat dissipation in high-demand commercial and industrial environments.
Technical Specifications
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Manufacturer: Siemens / ITE
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Part Number: VB671 (Also known as VB6-71)
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Current Rating: 30A to 200 Amps
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Voltage Rating: Up to 600V AC
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Material: High-Strength Aluminum
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Mounting Configuration: Single-Branch (for mounting one switch)
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Switch Height Compatibility: 7.5" and 10" units
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Dimensions: 8.5" L x 6.9" W x 4.5" H
Key Features & Benefits
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Universal Compatibility: Bridges legacy and modern systems, working with everything from older ITE SB series panels to current Siemens P5 panelboards.
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Vacu-Break Optimization: Specifically tailored for Siemens' signature Vacu-Break design (V2E, V7E, V2F, V7F), known for its longevity and rugged durability in load-break applications.
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Complete Mounting Solution: Includes the necessary straps and hardware to establish a professional, UL-listed connection to the panelboard bus.
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Single-Branch Efficiency: Ideal for adding a single circuit or replacement switch without needing a double-branch kit, maximizing panel space.
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Plug-In/Bolt-On Reliability: Engineered for a precise fit, reducing installation time and the risk of "hot spots" caused by improper bus alignment.
System Compatibility
The VB671 is compatible with a vast range of Siemens and ITE distribution equipment:
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Panelboards: SB1, SB2, SB3, VB-5, VB-6, and P5 Series.
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Switchboards: FC-1 and FC-20.
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Switches: V2E, V7E, V2F, and V7F (including V7F3204 and V7F3604).
