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circuit-breaker

Eaton CHB390 Circuit Breaker, 90A, 3-Pole, 240V

Part Number CHB390
Series 240 Volt CHB
Amperes 90
Poles 3
Voltage 240
Product Type circuit-breaker
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Manufacturer :Eaton
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $460.00
Sale price $460.00 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.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Eaton CHB390 Circuit Breaker, 90A, 3-Pole, 240V

Eaton CHB390 Circuit Breaker, 90A, 3-Pole, 240V

Regular price $460.00
Sale price $460.00 Regular price
Unit price
Product description
Shipping

The Eaton CHB390 circuit breaker is built for rugged industrial electrical service, maintenance, and replacement projects. With a 3-pole design delivering 240V three‑phase protection, this 90A breaker helps safeguard essential equipment in demanding environments while simplifying panel maintenance.

Part of Eaton’s 240 Volt CHB series, the CHB390 provides reliable overcurrent protection for distributed power in commercial and industrial settings. Its three-pole configuration ensures safe isolation of all phases, helping prevent fault propagation and enabling quicker service restoration in the field.

Key features and benefits

  • 90 Amp, 3-pole, 240V specification designed for three-phase circuit protection
  • Engineered for industrial service panels, routine maintenance, and replacement projects
  • Launched as part of the 240 Volt CHB series, ensuring seamless compatibility with Eaton CHB family components
  • Part Number CHB390 for precise compatibility matching with your application
  • Durable construction and straightforward installation to minimize downtime during panel servicing

Why this matters: In three-phase systems, precise protection at the distribution level helps contain faults, reduce equipment damage, and shorten outage times. The CHB390 is designed to integrate smoothly into Eaton’s CHB ecosystem, supporting reliable coordination with existing breakers and accessories.

Use cases and ideal users

  • Maintenance teams handling industrial equipment, distribution panels, and service entrances
  • Electrical contractors upgrading or replacing aging protection devices in CHB-based installations
  • Facilities engineers seeking a dependable, ready-to-install 240V protection solution for 3‑phase loads

Compatibility and getting the right fit

Before purchasing, verify compatibility by matching the part number CHB390 to your equipment catalog and application requirements. If you need help confirming fit or aligning it with your installation, our team is ready to assist—send us a message and we’ll help confirm compatibility by part number and application needs.

Specifications at a glance

  • Part Number: CHB390
  • Series: 240 Volt CHB
  • Voltage: 240V
  • Poles: 3
  • Amperage: 90 A

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

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

Verified

Solid quality component. Exactly as described on the product page.

Maintenance team · Ontario

Verified

Packaging was secure and the item arrived clean and ready for installation.

Electrical contractor · GTA

Verified

We’ve used this type on multiple jobs and it’s been reliable so far.

Panel shop · Canada/US

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

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