Square D QMB365W Fusible Panel Board Switch – 400A – 3-Pole / 3-Phase – 600V – 200kA @ 480V – Panel Mount – QMB Series E1-E2

The Square D QMB365W is a 400A, 3-pole, 3-phase fusible panelboard switch from the Square D QMB Series E1-E2. It is designed for compatible panelboard and switchgear distribution applications and features a panel-mount configuration.

The switch is rated for 600V and provides a 200kA interrupting rating at 480V. It is housed in a NEMA 1 enclosure, uses a single-style configuration, and accepts Class R fuses.

Specifications:

• Manufacturer: Schneider Electric / Square D
• Product Type: Fusible Panelboard Switch
• Product Family: QMB Series E1-E2
• Series: QMB
• Type: QMB
• Catalog No.: QMB365W
• Current Rating: 400A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 600V
• Interrupting Rating: 200kA @ 480V
• AIC Rating: 200kA @ 480V
• Switch Type: Fusible
• Fuse Class: Class R
• Mounting Type: Panel Mount
• Enclosure Rating: NEMA 1
• Configuration: Single Style
• Application: Panelboard and Switchgear Distribution
• Brand: Square D / Schneider Electric

Part Numbers & Identification:

• Manufacturer Part Number (MPN): QMB365W
• Catalog Number: QMB365W
• Model: QMB365W
• Product Family: Square D QMB Series E1-E2
• Series: QMB
• Type: QMB
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Fusible Panelboard Switch
• Configuration: 3-Pole, 400A
• Fuse Type: Class R
• UPC:785901766872

Compatibility:

Designed for use with compatible Square D QMB E1 and E2 Series panelboards and switchgear distribution systems that accept QMB Series fusible panelboard switches. The QMB365W provides 400A, 3-pole switching for compatible 600V electrical distribution applications.

The switch accepts Class R fuses and uses a single-style panel-mount configuration with a NEMA 1 enclosure. Always verify the specific panelboard or switchgear model, approved switch type, fuse requirements, system voltage, available fault current, pole configuration, enclosure requirements, and installation specifications before installation.

Certifications:

• UL Listed
• CSA Certified
• QMB Series E1-E2
• 400A Rated
• 3-Pole / 3-Phase
• 600V Rated
• 200kA @ 480V Interrupting Rating
• NEMA 1
• Fusible Type
• Class R Fuse Compatible
• Panel Mount
• Single Style Configuration

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