Federal Pioneer QMQB4836C - 400A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Introducing the Federal Pioneer QMQB4836C — a robust 400A, 600V, 3-pole fusible panelboard switch from the trusted QMQB series. Engineered for lighting and distribution panelboards, this unit delivers dependable load switching and integrated overcurrent protection when paired with the appropriate upstream protection and fuse class. With sturdy construction and straightforward integration, it fits seamlessly into both existing and new panel systems, making it a practical choice for demanding commercial and industrial environments.

Why this panelboard switch stands out

• Three-pole, 400 A performance provides balanced, reliable isolation across all phases for multi-circuit distribution.
• 600 V maximum rating supports a wide range of lighting, power, and equipment loads in commercial and industrial settings.
• Fusible protection with isolation delivers both disconnect capability and overcurrent protection when used with the appropriate upstream fuse class — simplifying maintenance and fault management.
• QMQB series compatibility ensures proven performance and easy replacement within Federal Pioneer / Federal Pacific ecosystems.
• Simple integration designed for straightforward retrofit or new-install panel projects, minimizing downtime and installation complexity.
• Part Number QMQB4836C supports precise ordering and stocking, helping maintain efficient project workflows.
• A code-conscious solution intended to coordinate with upstream protective devices to meet electrical codes and safety standards.

Ideal applications and use cases

• Retrofit aging panelboards in offices, warehouses, or manufacturing facilities that require a reliable 3-pole disconnect with integrated protection.
• New installations where clear isolation points are needed for 3-phase loads, especially in lighting and distribution panelboards.
• Settings that demand straightforward maintenance access and robust fault management across multi-circuit systems.

What problems it solves

• Provides a decisive, safe isolation point for 3-phase equipment, reducing downtime during maintenance or fault scenarios.
• Coordinates with upstream protection to ensure proper overcurrent protection, aligning with safety standards and codes.
• Offers a durable, replaceable unit within the Federal Pioneer / Federal Pacific lineup, simplifying stocking and replacements in facilities that rely on familiar components.

Specifications at a glance

• Amperage: 400 A
• Voltage: 600 V
• Poles: 3
• Series: QMQB
• Manufacturer: Federal Pioneer / Federal Pacific
• Part Number: QMQB4836C

Installation and care tips

To ensure proper protection and performance, pair the QMQB4836C with the appropriate upstream protection and fuse class specified for your installation. Coordinate with your electrical codes and safety standards to secure compliant, safe operation. Whether upgrading existing panelboards or deploying in a new build, this switch offers a dependable path to clear isolation and reliable distribution across lighting and power circuits.

Choose the QMQB4836C from AmpState for a dependable fusible panelboard switch that integrates smoothly with standard upstream protection and fuse classes. It’s a practical, code-conscious solution designed to support safe, reliable distribution in commercial, industrial, and retrofit environments.