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
circuit-breaker

Square D MJL36800 800A 3P 600V Circuit Breaker, Bolt-On | AmpState

Part Number MJL36800
Amperes 800
Poles 3
Voltage 600
Product Type circuit-breaker
Icon
Manufacturer :Square D
Icon
Replacement available
Icon
Picture available on request
Icon
CSA / UL Approved
Regular price $21,485.00
Sale price $21,485.00 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
Square D MJL36800 800A 3P 600V Circuit Breaker, Bolt-On | AmpState

Square D MJL36800 800A 3P 600V Circuit Breaker, Bolt-On | AmpState

Regular price $21,485.00
Sale price $21,485.00 Regular price
Unit price
Product description
Shipping

Introducing the Square D MJL36800 800A 3P 600V Circuit Breaker, Bolt-On — a purpose-built protection device from Square D available through AmpState. Crafted for panelboards, load centers, and diverse electrical distribution setups, it ensures dependable interruption and reliable performance in three-phase systems.

Designed with retrofit in mind, the MJL36800 keeps your installations consistent with a common part number, simplifying spares stocking and maintenance planning. When projects require continuity of the original equipment configuration, this bolt-on breaker fits seamlessly into compatible Square D panels, minimizing downtime and avoiding the need for panel substitutions.

Key benefits

  • Three-pole design for balanced three-phase protection in up to 600V distribution networks.
  • 800 A nominal rating provides robust protection for main feeders and heavy-load circuits.
  • Bolt-On mounting for secure, straightforward installation that reduces service time during retrofits and replacements.
  • Part number stability (MJL36800) supports easy cross-reference and spare-part management across maintenance cycles.
  • Availability from AmpState with expert compatibility guidance to ensure a precise fit for your panel or load center.

Ideal use scenarios

  • Retrofit projects in existing Square D installations where panel compatibility and part-number consistency matter most.
  • Maintenance planning for facilities with high-current, three-phase distribution needs.
  • New or upgraded 600V, three-phase distributed systems requiring reliable, field-installable protection.

How it helps you outperform alternatives

  • Runtime efficiency: the bolt-on design shortens installation time and reduces downtime during service windows.
  • Stocking simplification: maintaining a single, consistent part number across facilities minimizes procurement complexity.
  • Clear compatibility path: AmpState support helps confirm fit, ensuring you don’t buy the wrong breaker for your panel.

Specifications at a glance

  • Manufacturer: Square D
  • Part number: MJL36800
  • Product type: Circuit Breaker
  • Amperage: 800 A
  • Poles: 3
  • Voltage: 600 V
  • Mounting: Bolt-On

Ready to secure your high-current distribution with confidence? Message AmpState for compatibility confirmation or to order the Square D MJL36800 800A 3P 600V Circuit Breaker, Bolt-On today.

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

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

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