Panelboard Switches

While our website showcases a large assortment of our products, it does not reflect the complete inventory of products currently available. For real-time availability and to ensure we can meet your specific needs, please contact our sales team at 1-800-328-1842. New products arrive daily and our knowledgeable staff are happy to assist you in locating the exact item(s) you need.

QMB303T Square D Panelboard Switch

Square D QMB303T Panelboard Switch; 30 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB303T

QMB306T Square D Panelboard Switch

Square D QMB306T Panelboard Switch; 60 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB306T

QMB310T Square D Panelboard Switch

Square D QMB310T Panelboard Switch; 100 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB310T

QMB32120 Square D Panelboard Switch

Square D QMB32120 Panelboard Switch; 1200 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB32120
Contact us for pricing:

QMB321T Square D Panelboard Switch

Square D QMB321T Panelboard Switch; 30 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB321T

QMB3220 Square D Panelboard Switch

Square D QMB3220 Panelboard Switch; 200 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3220

QMB322T Square D Panelboard Switch

Square D QMB322T Panelboard Switch; 60 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB322T

QMB323T Square D Panelboard Switch

Square D QMB323T Panelboard Switch; 100 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB323T

QMB324 Square D Panelboard Switch

Square D QMB324 Panelboard Switch; 200 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB324

QMB3240 Square D Panelboard Switch

Square D QMB3240 Panelboard Switch; 400 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3240
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QMB3260 Square D Panelboard Switch

Square D QMB3260 Panelboard Switch; 600 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3260
Contact us for pricing:

QMB3280 Square D Panelboard Switch

Square D QMB3280 Panelboard Switch; 800 amp, 240 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3280
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QMB3603T Square D Panelboard Switch

Square D QMB3603T Panelboard Switch; 30 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3603T

QMB3606T Square D Panelboard Switch

Square D QMB3606T Panelboard Switch; 60 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3606T

QMB3610T Square D Panelboard Switch

Square D QMB3610T Panelboard Switch; 100 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3610T

QMB36120 Square D Panelboard Switch

Square D QMB36120 Panelboard Switch; 1200 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB36120
Contact us for pricing:

QMB361T Square D Panelboard Switch

Square D QMB361T Panelboard Switch; 30 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB361T

QMB3620 Square D Panelboard Switch

Square D QMB3620 Panelboard Switch; 200 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB3620

QMB362T Square D Panelboard Switch

Square D QMB362T Panelboard Switch; 60 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB362T

QMB363T Square D Panelboard Switch

Square D QMB363T Panelboard Switch; 100 amp, 600 volt. Reconditioned and guaranteed with a one year warranty.
SKU: QMB363T

Used and Refurbished Panelboard Switches

EMSCO has been specializing in used and refurbished panelboard switch options for over 75 years. Need help identifying the panelboard switches you need to replace, use our website to find it.

Looking for Help Selecting High-Quality Panelboard Switches?

When it comes to electrical panelboard switches, our product specialists are your source for both new and reconditioned panelboard switches. Our electrical pros have experience working in the electrical field. This means you get solutions based on experience with solving problems just like yours.

We locate and deliver panelboard switches that meet industry standards, providing dependability and longevity. We’re a trusted partner and take the worry out of selecting the right switch from our huge inventory for a panelboard part that will work in your electrical system.

Considerations When Selecting Your Panelboard Switch

Amperage and Voltage Ratings:

Check that the amperage and voltage ratings of the panelboard switch match the particular needs of your electrical system. To avoid overloading and to guarantee safe and efficient operation, choose a switch that can manage the maximum current and voltage of your application.

Application Compatibility:

Understand the specific application your panelboard switch is designed for. Switches are made for a range of applications, like main disconnects, motor control, and lighting circuits. Understanding the specific needs of your application helps you select a switch that's designed to meet the needs of your electrical system.

Type of Protection:

Consider the type of protection supplied by the panelboard switch. Fusible switches use fuses to protect against overcurrent, while non-fusible switches use different protective devices. Consider the level of protection needed for your system and select a switch that meets safety and regulatory standards.

Enclosure Type and Environment:

Inspect the environment where your panelboard is placed. Environmental factors such as dust, moisture, and corrosive chemicals are why different enclosure styles are available. To ensure the switch's lifetime and reliability, choose an enclosure suited to your installation location.

New, Refurbished, or Surplus Options:

Find a cost-effective solution for your budget and needs. New panelboard switches include the latest tech and come with warranties, while refurbished choices are completely tested and restored to like-new standards. Surplus switches save money and could be useful for less sensitive applications. Consider the trade-off between your budget and the performance and dependability needed for your application.

What Type of Panelboard Switch Do You Need?

Main Breaker Panelboard Switches: Include a built-in main circuit breaker, serving as the primary disconnect for the entire electrical panel. Used in residential and commercial applications.

Branch Circuit Panelboard Switches: Designed for specific circuits. Control individual branches of electrical circuits within a panel. Used in homes, offices, and industrial settings.

Fusible Panelboard Switches: Equipped with fuses for circuit protection. Prevent overcurrent situations in industrial and commercial places needing precise protection.

Non-Fusible Panelboard Switches: Similar to fusible switches but without fuses. Rely on other protective devices in the circuit. Used where fuses are not practical or necessary.

Motor Control Panelboard Switches: Specially designed for controlling electric motors. Ubiquitous in industrial situations for precise control over motor operations.

Lighting Panelboard Switches: Suited for controlling lighting circuits. Common in residential, commercial, and industrial settings to manage lighting systems efficiently.

Distribution Panelboard Switches: Used in electrical distribution panels. Help control and distribute power to various circuits within a panelboard.

Industrial Panelboard Disconnect Switches: Common in industrial settings, serve as a disconnect switch for panelboards. Provide safe power isolation during maintenance or emergencies.

Power Distribution Panelboard Switches: Similar to distribution panelboard switches. Focused on managing the power distribution within a panelboard, giving efficient and reliable power delivery.

Generator Panelboard Transfer Switches: Designed for panelboards connected to generators. Facilitate seamless transfer of power sources for continuity during power outages. Also power stability when switching between main power and backup generators.

Electrical Panelboard Testing to Meet Industry Standards

Before we ship, our panelboard switches undergo standardized electrical testing to certify quality and performance. Our investment in test equipment means you receive products that are reliable, durable, and capable of withstanding the demands of your unique environment.

We’ll guide you through selecting the correct switch based on your application's power requirements. Our staff is trained to deliver personalized service by asking the right questions and learning about your problem before offering a solution. From power ratings to compatibility considerations, informed decisions optimize the efficiency and safety of your electrical systems.