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

Square D QMB365W - 400A, 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 QMB365W is a rugged fusible panelboard switch engineered for dependable 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

Square D QMB3660 - 600A, 600V, 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 QMB3660, a purpose-built, non-fusible panelboard switch from Schneider Electric’s trusted QMB...
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 QMB366W - 600A, 600V, 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 QMB366W from AmpState—a robust 3-pole fusible panelboard switch engineered 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

GE THFP222L - 60A, 240V, 2-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The GE THFP222L is a rugged 60A, 240V, 2-pole fusible panelboard switch designed to streamline...
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

GE THFP362 - 60A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Experience streamlined control and protective coordination with the GE THFP362, a purpose-built 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

GE THFP361L - 30A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the GE THFP361L, a purpose-built 3-pole fusible panelboard switch designed to simplify 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

Federal Pioneer QMQB9036 - 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 Federal Pioneer QMQB9036 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

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

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Federal Pioneer QMQB8836B — a rugged fusible panelboard switch built to meet the...
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

Federal Pioneer QMQB7036 - 600A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
The Federal Pioneer QMQB7036 is a rugged 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

Federal Pioneer QMQB7032 - 600A, 240V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Meet the Federal Pioneer QMQB7032 — a rugged 600A, 240V, 3-pole fusible panelboard switch designed...
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

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

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Introducing the Federal Pioneer QMQB4836C — a robust 400A, 600V, 3-pole fusible panelboard switch from...
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

Federal Pioneer QMQB4836B - 400A, 600V, 3-Pole Panelboard Switch / Switchboard Unit | AmpState

Regular price $1,110.00
Sale price $1,110.00 Regular price
Unit price
Federal Pioneer QMQB4836B is a 400 A, 600 V, 3-pole fusible panelboard switch designed for...
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