Description
The Siemens WBV1400CU is a robust 400 Amp Low Voltage Power Mod™ WB Standard Main Breaker unit, designed for high-performance electrical distribution in commercial and residential applications. Built for durability and reliability, this panel features a factory-installed 2-pole 3VA53 frame circuit breaker and supports 1-phase, 3-wire systems rated at 120/240V AC.
Engineered with safety and flexibility in mind, it includes a NEMA Type 3R weatherproof enclosure suitable for both overhead (OH) and underground (UG) service feeds. With a high interrupting capacity of 100kAIC, it’s ideal for demanding environments where reliable circuit protection is critical.
Key Specifications:
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Part Number: WBV1400CU
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Amperage Rating: 400A
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Voltage Rating: 120/240V AC
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System Type: 1-Phase, 3-Wire
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Interrupt Rating: 100kAIC
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Breaker Included: 2-Pole, 3VA53 Frame (Factory Installed)
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Enclosure Type: NEMA 3R – Outdoor Rated
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Service Feed: Overhead or Underground
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Lugs: Factory Installed
Applications:
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Multi-unit residential buildings
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Commercial service entrances
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Outdoor power distribution panels
Downloads:
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Specification Sheet
Built to Siemens’ exacting standards, the WBV1400CU delivers reliable power distribution with advanced circuit protection in a modular, field-proven design.





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