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Fusible Panelboard Switch

Federal Pioneer QMQB8836B - 800A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Part Number QMB221TW
Series QMQB
Amperes 800
Poles 2
Voltage 600
Product Type Fusible Panelboard Switch
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Manufacturer :Federal Pioneer / Federal Pacific
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Federal Pioneer QMQB8836B - 800A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Product description
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Meet the Federal Pioneer QMQB8836B — a rugged fusible panelboard switch built to meet the demands of high-load lighting and distribution panelboard applications. This 3-pole unit delivers reliable load switching paired with essential overcurrent protection when paired with the appropriate upstream protection and fuse class, ensuring safe, dependable operation in commercial and light industrial environments.

Why this panelboard switch stands out

  • 800 A capacity handles substantial feeder and lighting circuits without compromising control or safety.
  • 600 V rating fits typical commercial and industrial distribution setups, giving you broad compatibility across installations.
  • Three-pole design synchronizes switching across all phases, reducing imbalance risks in three-phase systems and promoting balanced, reliable operation.
  • QMQB series compatibility integrates seamlessly within Federal Pioneer / Federal Pacific panelboard ecosystems, simplifying upgrades and installations.
  • Integrated fusible protection acts as a fusible panelboard switch that aligns with your upstream protection and fuse class, providing a clear path to safe operation.

Ideal use scenarios

  • Lighting distribution panels in facilities with heavy load requirements, where dependable switching and protection are non-negotiable.
  • Feeder panel upgrades that demand a robust fusible switching solution to maintain safe, controllable power delivery.
  • New panelboard installations within Federal Pioneer-compatible electrical spaces, offering a ready-made, code-aligned protection strategy.

How it fits into your project

The QMQB8836B is designed for professionals who prioritize dependable control and protection in large panelboard systems. When paired with the correct upstream protection and fuse class, it delivers a cohesive, safety-forward solution for hot, high-load lighting circuits and large feeders. Its 3-pole synchronization helps maintain balance across phases, reducing the risk of overloads and nuisance trips in busy commercial environments.

Key specifications at a glance

  • Amperage: 800 A
  • Voltage: 600 V
  • Poles: 3
  • Manufacturer: Federal Pioneer / Federal Pacific
  • Part Number: QMQB8836B
  • Series: QMQB

Choose the QMQB8836B when you need a purpose-built, high-capacity fusible panelboard switch that aligns with standard upstream protection strategies and Federal Pioneer panelboard frameworks. It’s a practical, durable choice for projects where reliable control, synchronized three-phase switching, and integrated protection matter most.

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