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Square D Panel Mount QMB324W

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QMB324W Specifications

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QMB324W, Square D, QMB Series E1-E2 panel mount, type QMB, 3PH, 3P, 240V, 200A, 200kA@240V, nema 1, Fusible type, Single style, accepts class R fuses, suitable for use with QMB E1 & E2 series panel boards and switchgear distribution systems

Part NumberQMB324W
FamilyQMB Series E1-E2
ManufacturerSquare D
TypeQMB
SubcategoryPanel Mount
Voltage240

Electrical.com is NOT an authorized distributor for Square D and therefore the manufacturer’s warranty does not apply. This product does include an Electrical.com 2 year warranty.

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QMB324W Specifications:
Part NumberQMB324W
Manufacturers
Sub-CategoryPanel Mount
TypeQMB
UPC785901765790
Weight14.86 lbs
Voltage240
Amperage200
Poles3
NEMA Rating1
Suit FuseR
Switch StyleFusible
ConfigurationSingle
Phase3
AIC Rating200kA@240V
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The QMB324W is a Fusible panelboard switch designed for industrial and commercial applications requiring high-capacity power distribution. It features a 3-pole configuration, a 200A rating, and a voltage capacity of up to 240V. The switch offers an interrupting capacity of 200kA@240V, making it suitable for high-fault environments. The connection design ensures secure installation in compatible panelboards.


This series, including the QMB324W, has been widely adopted in various sectors due to its reliability and adaptability. Its modular design and field-installable components make it a preferred choice for facilities requiring scalable and maintainable power distribution solutions. These switches remain in use and are supported by retrofit solutions across many operational environments.


The QMB324W is available at Electrical.com for replacement and upgrade projects. Our team specializes in legacy and current systems and has deep expertise in product lines from leading manufacturers, including Square D and Schneider Electric. Whether you're sourcing obsolete equipment or planning a system expansion, our knowledgeable sales staff can assist with technical specifications, compatibility concerns, and procurement support to ensure seamless integration into your infrastructure.