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circuit-breaker
Square D Q432300 - 300 A, 3-Pole Plug-In Circuit Breaker | AmpState
★★★★★
| Part Number | Q432300 |
| Amperes | 300 |
| Poles | 3 |
| Product Type | circuit-breaker |
Regular price
$710.00
Sale price
$710.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D Q432300 - 300 A, 3-Pole Plug-In Circuit Breaker | AmpState
Regular price
$710.00
Sale price
$710.00
Regular price
Unit price
Product description
Shipping
Square D Q432300 — a 300A, 3-pole plug-in molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers.
Its fast plug-in connection simplifies installation and replacement, reducing downtime during service upgrades or reconfigurations.
The unit uses a thermal-magnetic trip mechanism, delivering stable, repeatable protection against overloads and short circuits as loads shift. This means fewer nuisance trips and consistent protection in fluctuating electrical environments.
Built to integrate with matching OEM load centers and panelboards, it maintains electrical compatibility and system integrity across installations.
Whether you're wiring a residential subpanel, a commercial distribution board, or a light industrial panel, this 3-pole breaker provides robust protection for high-current circuits.
- Amperage rating: 300A
- Poles: 3
- Mounting style: Plug-in
- Type: Thermal-magnetic molded case circuit breaker
- Application: Branch circuit overcurrent and short-circuit protection
- Compatibility: Matches OEM load centers and panelboards for reliable fit and performance
Why choose the Q432300 from AmpState? The combination of a 300A trip unit, plug-in convenience, and compatibility with a range of panel hardware means faster service, safer operation, and streamlined maintenance for electrical systems that demand high current with dependable protection.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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Good communication and clear updates while the order was processed.
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Looks and feels like a proper industrial-grade part. Works as expected.
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