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

QMB-324 - Fusible, Switch

★★★★★
Icon
Manufacturer :
Icon
Replacement available
Icon
Picture available on request
Icon
CSA / UL Approved
Regular price $603.00
Sale price $603.00 Regular price
Unit price
Save

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
QMB-324 - Fusible Switch - Switch

QMB-324 - Fusible, Switch

Product description
Shipping

The QMB-324 Fusible, Switch is a rugged, all-in-one solution for reliable on/off isolation paired with built-in overcurrent protection in demanding industrial and commercial environments. Its compact footprint and maintenance-friendly design make it a practical choice where space and serviceability matter as much as performance.

Key configuration: Model: QMB-324; Fused: Fusible. This arrangement is ideal for motor disconnects, panelboards, and branch circuit protection where a compact, maintainable fusible switch is required.

Why the QMB-324 stands out

  • Integrated protection and control: A fusible element provides built-in overcurrent protection while delivering reliable on/off isolation in a single, cohesive unit.
  • Compact, maintainable design: Specifically engineered to fit panelboards and spaces with limited depth, while enabling straightforward maintenance to minimize downtime.
  • Rugged for harsh environments: Built to perform in demanding industrial and commercial settings, where voltage transients and physical stress are part of daily operations.
  • Safe motor disconnect and circuit protection: A dependable solution for disconnecting motors and safeguarding branch circuits without the need for additional protective devices.

Practical use cases

  • Motor disconnects on conveyors, pumps, fans, and compressors where space is at a premium yet protection is non-negotiable.
  • Panelboard configurations that require integrated protection within a compact enclosure to simplify wiring and maintenance.
  • Branch circuit protection in commercial facilities where a reliable, easy-to-service fusible switch is essential for uptime.

Who benefits

Electrical engineers, facility maintenance teams, panel builders, and electrical contractors will appreciate the QMB-324 for its reliable protection, simplified wiring, and streamlined serviceability—delivering safer operation and quicker turnaround during servicing.

In short, the QMB-324 Fusible, Switch delivers dependable isolation with built-in overcurrent protection in a compact, maintainable package designed for motor disconnects, panelboards, and branch circuits where space and reliability matter most.

Contact sales@ampstate.com

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase.

What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Professional-grade feel. No issues reported during commissioning.

Controls · Commissioning

Verified

Arrived in good condition and helped keep our project on schedule.

Project team · Contractor

Verified

Exactly what most contractors expect from an industrial supplier.

Electrical · Commercial

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • Send your part list and get a fast reply

Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day