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 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 V7H3606J - 600A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Siemens V7H3606J is a rugged, 3-pole fusible panelboard switch engineered for reliable load switching...
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 V7E3633C - 100A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Siemens V7E3633C, a rugged 3-pole fusible panelboard switch engineered specifically 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

Siemens V7F3604J - 200A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Siemens V7F3604J, a 200 A, 600 V, 3‑pole fusible panelboard switch engineered to...
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 V7H3605C - 400A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Siemens V7H3605C is a rugged 3-pole fusible panelboard switch purpose-built for lighting and distribution panelboards....
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 VK23611J - 30A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Siemens VK23611J is a 3‑pole fusible panelboard switch from the VK series, engineered 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

Eaton / Westinghouse FDPS364 - 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 Eaton / Westinghouse FDPS364 Fusible Panelboard Switch—the compact, space-efficient solution your 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

Eaton / Westinghouse FDPS365 - 400A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Eaton / Westinghouse FDPS365, a purpose-built fusible panelboard switch engineered to take control...
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

Eaton / Westinghouse FDPS366 - 600A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Eaton / Westinghouse FDPS366 is a 3-pole fusible panelboard switch engineered for dependable load...
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

Eaton / Westinghouse FDPBS364J - 200A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Eaton / Westinghouse FDPBS364J, a 200 A, 600 V, 3-pole fusible panelboard switch...
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

Eaton / Westinghouse FDPW325R - 25A, 240V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Eaton / Westinghouse FDPW325R is a compact, highly practical 3-pole fusible panelboard switch engineered...
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

Eaton / Westinghouse FDPW366J - 600A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Eaton / Westinghouse FDPW366J is a rugged fusible panelboard switch designed for 600A, 600V...
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 QMJ361T - 30A, 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 QMJ361T is a purpose-built 3-pole fusible panelboard switch designed to streamline lighting...
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