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Eaton CH320ST 3 Pole Circuit Breaker

Brand Eaton
SKU CH320ST
5.0
Rated 5.0 out of 5 stars
102 Reviews

Eaton CH320ST 3 Pole Circuit Breaker

Brand Eaton
SKU CH320ST
5.0
Rated 5.0 out of 5 stars
102 Reviews
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Eaton CH320ST 3 Pole Circuit Breaker

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$379.75 In stock

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DescriptionSpecificationsSuperClubWarranties
Description

Eaton CH320ST 3 Pole Circuit Breaker

Eaton/Cutler Hammer 3 pole circuit breaker features a thermal magnetic molded case for extra protection. The circuit breaker has a current rating of 20 amps with a voltage rating of 240 v. It has an interrupt rating of 10 kAIC.

Specifications:


Manufacturer: Eaton/Cutler Hammer
Cat. No: CH320ST
Alternate Part No: CH320ST
Product Type: Circuit Breaker
Trip Unit Type: Common Breaker
Frame Type: CH
Series: CH
Type: CH 3/4-Inch standard circuit breaker
Phase: 3
Pole: 3
Voltage Rating: 240 V
Amperage Rating: 20 A
Connection: Plug-In
Functions: Long Time and Instantaneous
Interrupt Rating: 10 kAIC
Circuit Breaker Type: CH
Application: Marine Vessels and Equipment - Marine Vessels and Equipment - Other Generation - Renewable Energy - Alternative Energy Generation - Conventional Energy - Conventional Energy Data Centers - IT Space: CI and Hyper Converged Other
Used With: Type CH Loadcenters
Size: 3.5 Inch H x 3.5 Inch W x 4.8 Inch D
Wire Size: 14 - 6 AWG Cu/Al
Mounting: Plug On
Approval: UL
Brand: Eaton[R]
Authentic Eaton/Cutler Hammer Product

Specifications

Brand Eaton
Series CH
Amperage 20
Voltage 240
Poles 3
Phase 3
Mounting Type Plug On
Approval UL
Interrupting Rating 10 kAIC
Frame Type CH
Connection Type Plug-In
Protection Thermal Magnetic
Functions Long Time and Instantaneous
Length (in) 4.8
Width (in) 3.5
Height (in) 3.5
Wire Gauge 14 - 6 AWG Cu/Al
For Use With Type CH Loadcenters
Circuit Breaker Type CH
Mpn CH320ST
Upc 782113339658
Gtin 782113339658

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Warranties

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When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.

If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.

Click here to read our full warranty details

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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

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International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

5.0
Rated 5.0 out of 5 stars
Based on 102 reviews
Total 5 star reviews: 100 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Customers say these electrical breakers are readily available when hard to find elsewhere. Many reviews mention fast shipping and accurate order fulfillment. Common feedback includes competitive pricing and proper packaging. Reviews note the products fit correctly and match specifications. While most highlight quick delivery times, some mention occasional supply delays. The ordering process receives praise for its simplicity.
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102 reviews
  • BJ
    Brian J.
    Verified Buyer
    Reviewing
    Eaton/Cutler-Hammer CH330 3 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/25
    Always great

    Always have a great experience with Super Breakers.

    Was this helpful?
  • JL
    John L.
    Verified Buyer
    Reviewing
    Eaton/Cutler-Hammer CH350 3 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/28/25
    Arrived very quickly AND FIT!

    It was difficult to find a suplier that had a wide range of breakers that were required for an older panel.

    Was this helpful?
  • SL
    SYLVIE L.
    Flag of Canada
    Reviewing
    Eaton/Cutler-Hammer CH260GFI 2 Pole Circuit Breaker Ground Fault
    I recommend this product
    Rated 5 out of 5 stars
    7/4/23
    It’s good

    It’s good

    Was this helpful?
  • JW
    James W.
    Flag of United States
    Reviewing
    Eaton/Cutler-Hammer CH220GFI 2 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/4/23
    works, fits

    Delivered as promised

    Was this helpful?
  • BH
    Brian H.
    Flag of United States
    Reviewing
    Eaton CHFP120AF 1 Pole Combination Arc Fault Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/21/23
    Always fast and easy service

    I have used super breakers for a few years. Always easy and fast service!

    Was this helpful?

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