Panel-Mount & Panelboard Switches

Shop panel-mount and panelboard switches including Square D QMB, Federal Pioneer QMQB, GE QMR, Siemens/ITE and other legacy switch families. Ampstate supplies fusible and non-fusible replacement switches for industrial and commercial distribution equipment.

Panelboard Switch Selection

Search by exact catalog number whenever possible. Confirm manufacturer, switch family, amperage, voltage, poles, fuse class, mounting style and panel nameplate before ordering. Send photos and specifications to sales@ampstate.com for compatibility review and a quote.

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Square D 100 Amp Twin Fusible Panelboard Switch QMB323TW 3P 240 Vac

Regular price $1,235.00
Sale price $1,235.00 Regular price
Unit price
Upgrade your electrical distribution with the Square D 100 Amp Twin Fusible Panelboard Switch QMB323TW...

GENERAL ELECTRIC QMR362 60 Amp 3-Pole 600V Fusible Panelboard Switch Unitb

Regular price $563.00
Sale price $563.00 Regular price
Unit price
The GENERAL ELECTRIC QMR362 60 Amp 3-Pole 600V Fusible Panelboard Switch is built for dependable...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Siemens V2E2203LR - 100A, 240V, 2-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Siemens V2E2203LR is a purpose-built fusible panelboard switch engineered to provide precise control and...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Square D QMB3603T - High-Amp, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Square D QMB3603T is a high-amp, 600V, 3-pole fusible panelboard switch designed to deliver...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Square D QMB-323-HW - 100A, 240V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Square D QMB-323-HW fusible panelboard switch — a purpose-built, three-pole disconnect designed specifically...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Square D QMB-324 - 200A, 240V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Square D QMB-324 fusible panelboard switch from Schneider Electric—a purpose-built, 200 A, 240...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Square D QMB-3606-H - High-Amp, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Square D QMB-3606-H is a high-amp, 3-pole fusible panelboard switch purpose-built for lighting and...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Square D QMB-362-T - 60A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
In commercial lighting and distribution panelboards, reliability is non‑negotiable. The Square D QMB-362-T fusible panelboard...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Commander QMBFP6036 - 600A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Commander QMBFP6036 is a purpose-built fusible panelboard switch designed for reliable three‑phase control in...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Commander QMBFP7036 - 800A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Commander QMBFP7036 is a rugged, three-pole fusible panelboard switch engineered for demanding lighting and...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Commander QMBFP4036 - 200A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Introducing the Commander QMBFP4036, a purpose-built fusible panelboard switch designed to empower lighting and distribution...
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series
Square D QMB221TW – 30A/30A, 240V, 2-Pole Fusible Panelboard Switch Split – QMB Series

Commander QMBFP5036 - 400A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Commander QMBFP5036 is a purpose-built main-disconnect fusible panelboard switch designed to streamline lighting and distribution...
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