Siemens WBV1400CU 400-Amp 1-Phase Compact Outdoor PowerMod Breaker Main

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:

• Part Number: WBV1400CU

• Amperage Rating: 400A

• Voltage Rating: 120/240V AC

• System Type: 1-Phase, 3-Wire

• Interrupt Rating: 100kAIC

• Breaker Included: 2-Pole, 3VA53 Frame (Factory Installed)

• Enclosure Type: NEMA 3R – Outdoor Rated

• Service Feed: Overhead or Underground

• Lugs: Factory Installed

Applications:

• Multi-unit residential buildings

• Commercial service entrances

• Outdoor power distribution panels

Downloads:

• Specification Sheet

Built to Siemens’ exacting standards, the WBV1400CU delivers reliable power distribution with advanced circuit protection in a modular, field-proven design.