QMQB4036B w/ Mounting Kit - 400Amp Panelboard Switch

QMQB4036B w/ Mounting Kit - 400Amp Panelboard Switch

The Federal Pacific QMQB4036B panelboard switch is designed for applications where dependable power control is non-negotiable. Rated for 400 amps and up to 600 volts AC, this fusible, bolt-in switch is commonly used in commercial and industrial electrical systems that demand steady performance day after day. It installs directly into compatible panelboards and includes a mounting kit, which helps simplify installation and keeps everything properly secured once in place. For facilities that need a straightforward, high-capacity solution, this switch checks the right boxes without unnecessary complexity.

Key Features and Benefits

• 400 Amp, 600V AC Rating: Supports higher electrical loads commonly found in commercial and industrial environments.
• RK1 and RK5 Fuse Compatibility: Allows flexibility in selecting the appropriate overcurrent protection for your system.
• Bolt-In Panelboard Design: Fits cleanly into panelboards, helping maintain an organized and space-efficient layout.
• Mounting Kit Included: Helps reduce installation time and ensures proper alignment within the panelboard.
• Indoor Rated (NEMA 1): Intended for use in dry, controlled indoor locations.

Technical Specifications

• Type: Fusible bolt-in panelboard switch
• Amperage: 400 A
• Voltage: 600 V AC
• Poles: 3
• Phase: 3-phase
• Fuse Type: Class RK1 or RK5
• Overall Dimensions: 22.25 in. wide × 13.75 in. high × 6.25 in. deep

Material Compliance and Certifications

• This panelboard switch is manufactured in accordance with UL 98 standards for enclosed and dead-front switches. Materials are selected to support long-term service and dependable operation in properly rated electrical systems.

Where It Works Best

• The QMQB4036B is a practical fit for office buildings, manufacturing facilities, data rooms, and other commercial or industrial locations that require high-amperage indoor power distribution. It works especially well in applications where a fusible panelboard switch is preferred for system protection and straightforward maintenance.