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Eaton / Cutler-Hammer NB3800P - 800A 3 Pole Molded Case Circuit Breaker

Brand Eaton / Cutler-Hammer
SKU NB3800P
5.0
Rated 5.0 out of 5 stars
15 Reviews
Cutler-Hammer / Westinghouse NB3800P 3 Pole Circuit Breaker
Free Shipping Over $99

Eaton / Cutler-Hammer NB3800P - 800A 3 Pole Molded Case Circuit Breaker

Brand Eaton / Cutler-Hammer
SKU NB3800P
5.0
Rated 5.0 out of 5 stars
15 Reviews
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Cutler-Hammer / Westinghouse NB3800P 3 Pole Circuit Breaker

Eaton / Cutler-Hammer NB3800P - 800A 3 Pole Molded Case Circuit Breaker

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$2225.00 In stock

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DescriptionSpecificationsSuperClubWarranties
Description
Built for heavy industrial environments, the Eaton NB3800P delivers 800A of current-limiting protection. It provides reliable power distribution and advanced safety for commercial facilities. This unit-mount breaker fits seamlessly into Westinghouse Pow-R-Line 4B panelboards and switchboards. It includes standard lug terminals that accept 3/0 AWG to 400 kcmil wire. Featuring a fused thermal-magnetic trip unit, it achieves an impressive 200kAIC at 600VAC to minimize let-through energy.

Specifications

Brand Eaton / Cutler-Hammer
Series NB
Part Number NB3800P-R
Amperage 800A
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Poles 3
Phase 3
AIC Rating 200kA @ 240VAC, 200kA @ 480VAC, 200kA @ 600VAC, 100kA @ 250VDC
Mounting Style Unit Mount
Terminal Type Lugs
For Use With Westinghouse Pow-R-Line 4B Panelboards, Switchboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Wire Gauge (3) 3/0 AWG-400 kcmil (Cu/Al)
Max Wire 400 kcmil
Min Wire 3/0 AWG
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories 800NBP20 Current Limiters
Standards CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Current Limiting, Fused, High Interrupting Capacity
Special Features Current Limiting (Integrally Fused)

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5.0
Rated 5.0 out of 5 stars
Based on 15 reviews
Total 5 star reviews: 15 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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15 reviews
  • WW
    William W.
    Verified Buyer
    Reviewing
    Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/9/26
    Exactly what I needed.

    Awesome! Packaging and delivery were good. Bolted in and worked perfectly!!)

    Was this helpful?
  • GH
    Gary H.
    Verified Buyer
    Reviewing
    Federal Pacific NB125 - 125A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/3/26
    Federal Pacific NB125 2 Pole Circuit Breaker

    Federal Pacific NB125 2 Pole Circuit Breaker

    Great product and excellent price and warranty.

    Was this helpful?
  • JI
    Jeffrey I.
    Verified Buyer
    Reviewing
    Federal Pacific NB232050 - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/21/25
    FPE

    Great supplier for hard to find breakers

    Was this helpful?
  • VA
    Virginia a.
    Verified Buyer
    Reviewing
    Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/3/25
    Breaker

    Had the part I needed that I could not find anywhere else. Arrived on time and was as described

    Was this helpful?
  • JM
    Jonathon M.
    Flag of United States
    Reviewing
    Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/26/23
    Works great, thanks

    Works great, thanks

    Was this helpful?

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