Breakers & Protection – Industrial Power Safety You Can Trust

At AmpState, we supply a full range of circuit breakers and electrical protection devices engineered to safeguard industrial equipment, distribution systems, and facility operations. From low-voltage branch breakers to heavy-duty molded-case units and motor protection devices, our catalog delivers the reliability and performance demanded by today’s industrial environments.

Whether you’re maintaining legacy switchgear or upgrading to modern protective technology, AmpState provides high-quality components from leading manufacturers—new, surplus, and hard-to-find models sourced across North America.

What We Offer

✔ Molded Case Circuit Breakers (MCCB)

Designed for industrial and commercial applications where dependable overcurrent protection is critical. Available in a wide range of:

• Amp ratings

• Voltage classes

• Interrupting capacities

• Frame sizes

✔ Miniature Circuit Breakers (MCB)

Reliable branch-circuit protection for control panels, distribution boards, and compact installations.

✔ Motor Protection Breakers & Overloads

Protect motors from:

• Overcurrent

• Single phasing

• Overload conditions

• Short circuits

Ideal for MCC systems, automation lines, and motor control panels.

✔ Ground Fault, Arc Fault & Specialty Protection

Advanced safety devices engineered to protect personnel and equipment against hazardous fault conditions.

✔ Breaker Accessories

• Auxiliary contacts

• Shunt trips

• Mounting hardware

• Door kits

• Conversion kits

Perfect for maintenance, retrofits, and modernization projects.

Why Choose AmpState for Breakers & Protection

✔ Industrial Expertise

Our engineering background ensures proper understanding of voltage classes, coordination, interrupt ratings, and system compatibility.

✔ Hard-to-Find Models

We specialize in sourcing:

• Legacy breakers

• Obsolete frame sizes

• Discontinued protection devices

• OEM-specific models
  Essential for keeping older facilities running safely.

✔ North American Shipping

We ship across:

• Canada

• USA

• Mexico
  and support international orders worldwide.

✔ Quality You Can Depend On

Every component—whether new or surplus—goes through our sourcing verification process to ensure high standards of reliability.

Applications

AmpState’s breaker and protection devices are trusted in:

• Industrial plants

• Commercial buildings

• Automation systems

• Manufacturing lines

• MCC panels

• Electrical distribution & control equipment

• Utilities and infrastructure

Protect Your Power Systems with Confidence

Downtime is expensive. Proper electrical protection is essential.
AmpState ensures you get the right breaker—fast, reliable, and verified for your application.

For quotations, sourcing help, or technical guidance:

Email: sales@ampstate.com