CJD63B300 Siemens 300 Amp 3 Pole Circuit Breaker 600 Volt

Regular price $800.00
Sale price $800.00 Regular price
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CJD63B300 Siemens 300 Amp 3 Pole Circuit Breaker 600 Volt

CJD63B300 Siemens 300 Amp 3 Pole Circuit Breaker 600 Volt

Regular price $800.00
Sale price $800.00 Regular price
Unit price

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Description

Description

Introducing the CJD63B300 Siemens 300 Amp 3 Pole Circuit Breaker 600 Volt, a top-tier solution for protecting your electrical systems. This molded case circuit breaker is engineered to provide exceptional performance in residential, commercial, and industrial applications. Safeguard your equipment with reliable overload and short circuit protection, ensuring both safety and peace of mind.

The Siemens CJD63B300 boasts an impressive 300 Amp capacity and is designed to maintain optimal functionality under heavy loads. With its robust 3-pole configuration, this circuit breaker offers versatility for various wiring applications, making it an essential component for larger electrical setups.

  • Voltage Rating: 600 Volts
  • Current Rating: 300 Amps
  • Poles: 3
  • Type: Molded Case Circuit Breaker
  • Application: Residential, Commercial, Industrial
  • Protection: Overload and Short Circuit
  • Mounting: Standard panel mount

Designed with durability in mind, the CJD63B300 ensures long-lasting protection for your electrical systems, reducing downtime and maintenance costs. Its high-quality construction also meets rigorous safety standards, making it a trusted choice for electricians and facility managers alike.

Upgrade your electrical infrastructure with the CJD63B300 Siemens 300 Amp 3 Pole Circuit Breaker 600 Volt. Don't compromise on safety—ensure your systems are equipped with the best. Order yours today and experience unparalleled reliability!

Shipping and Returns

Returns

We accept return within 30 days of purchase.

FREE Shipping.

Some orders are eligible for free shipping — just reach out to us to redeem this offer!

Same Day Shipping

Most orders ship within one business day, so you’ll have your item in no time!

1 Year Warranty

We’re proud of the quality of our product and want you to feel confident in your purchase. That’s why we offer a 1-year warranty from the date of purchase.

If anything goes wrong due to a manufacturing issue, we’ll happily repair or replace it — no hassle. Just reach out to us with proof of purchase, and we’ll take care of the rest.

This warranty doesn’t cover accidental damage or misuse, but if you're unsure, we’re always happy to help.

Frequently Asked
Questions

Do you sell both new and used electrical equipment?

Yes! We offer both brand-new and fully tested, certified used electrical components including breakers, bus plugs, and disconnects.

Are your used products tested for safety?


Absolutely. Every used product is inspected, tested, and guaranteed to meet safety and performance standards before being listed for sale.

Can I request a specific brand or model?


Yes. We carry a wide range of brands like Square D, Siemens, GE, Eaton, Cutler-Hammer, Allen-Bradley, and more. If you’re looking for something specific, just contact us!

Do you offer fusible disconnects?


Yes, we stock fusible and non-fusible disconnects in various amperages and configurations for commercial and industrial applications.

What is a bus plug, and how do I know which one I need?


A bus plug connects electrical equipment to a busway system. To choose the right one, you’ll need to know your voltage, amperage, plug-in style, and brand compatibility. Contact us for help if you're unsure.





Can I return or exchange a product?

We offer hassle-free returns on most items. Conditions may vary between new and used products, so check our return policy or reach out for details.

Do you offer bulk pricing or discounts for contractors?

Yes! If you’re buying in volume or placing recurring orders, we offer special pricing for contractors and resellers. Reach out for a custom quote.

How fast do you ship?

Most orders ship within 1–2 business days. Expedited shipping is available if you’re on a tight deadline.

Can I get help choosing the right breaker or disconnect?


Definitely. Our team is here to help you pick the right specs, compatibility, and configuration for your project. Call, chat, or email us anytime!

Over 40,000+
Happy Customers


Great quality breakers and bus plugs. Easy to install, no issues, and they’ve held up well on every job. Reliable gear we trust.


These breakers and bus plugs were perfect for our plant upgrade. Fast delivery, solid build, and smooth integration. Very satisfied!