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Siemens / ITE E43B080 Molded Case Circuit Breaker

  • 80A
  • 3 Pole
  • Unit Mount
Siemens / ITE E43B080
Molded Case Circuit Breaker
Brand Siemens / ITE
SKU E43B080
Select Item Condition
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  • 80A
  • 3 Pole
  • Unit Mount

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Siemens / ITE E43B080 - 80A 3 Pole Molded Case Circuit Breaker

Re-Certified

$295.00 In Stock

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Description

A drop-in replacement for older commercial systems, the Siemens E43B080 restores reliable power distribution without panel upgrades. This 80A, three-pole molded case circuit breaker features a proven thermal-magnetic trip mechanism for long-time and instantaneous protection. Designed as a unit mount MCCB, it installs seamlessly into legacy Siemens P1, P2, P3, and classic ITE panelboards. It serves as a direct substitute for the ED43B080. Rated 18 kAIC at 480VAC, it is also HACR rated.

Specifications

Key specifications
Brand Siemens / ITE
Series E
Amperage 80A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 18kA @ 480VAC, 30kA @ 250VDC
Fit and installation
Frame Type E4
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, SB Switchboards, ITE Panelboards
Wire Gauge 10-1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 10 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment
Accessories Auxiliary Switch, Shunt Trip (S01E60)
Standards UL 489, CSA C22.2 No. 5, IEC 60947-2
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism

Product FAQs

8 answers
Can I install the E43B080 in a standard residential load center?

No. The E43B080 is a unit mount, bolt-on molded case circuit breaker designed for commercial and industrial applications. It is compatible with Siemens P1, P2, and P3 panelboards, SB switchboards, and legacy ITE panelboards.

What is the direct replacement for the older ED43B080 circuit breaker?

The E43B080 serves as a direct drop-in substitute for the legacy ED43B080, restoring power distribution without requiring a panel upgrade.

Is the E43B080 suitable for use in DC circuits?

Yes. In addition to its AC ratings, this breaker is rated for 30kAIC at 250VDC, making it suitable for specific direct current applications.

Can the E43B080 circuit breaker be reverse fed?

Yes. This thermal magnetic breaker does not have line and load markings, meaning it can be safely reverse fed in applications that require it.

Is this breaker HACR rated for HVAC applications?

Yes. The E43B080 is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.

Does the E43B080 feature a trip-free mechanism?

Yes. The breaker utilizes a trip-free mechanism, ensuring that the contacts will open under fault conditions even if the operating handle is physically held in the ON position.

Are the trip units on the E43B080 interchangeable?

No. The E43B080 features a fixed thermal and fixed magnetic trip unit that is non-interchangeable.

What wire sizes are accepted by the E43B080 lugs?

The factory-installed lugs accept copper or aluminum conductors ranging from 10 AWG to 1/0 AWG.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 25 reviews
Reviews Summary
Customers say this electrical breaker meets their expectations in terms of functionality and performance. Many reviews mention quick delivery times and competitive pricing. While one user reports voltage detection issues, most find these units work effectively. Common feedback includes satisfaction with product condition upon arrival and straightforward installation. Reviews indicate availability of specialty models that are often hard to find through local suppliers.
Rating
Ratings
25 reviews
  • MG
    Mike G.
    Flag of United States
    Reviewing
    Square D HU365R Heavy Duty Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    11/27/23
    Just what we needed and

    Just what we needed and fast shipping

  • TE
    Timothy E.
    Flag of United States
    Reviewing
    Square D HU364 Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    5/9/22
    quick response!!!!

    quick response!!!!

  • DG
    David G.
    Flag of United States
    Reviewing
    Square D HU362 Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    4/13/22
    Great service and fast shipping

    Great service and fast shipping

  • WE
    Warren E.
    Flag of United States
    Reviewing
    Square D HU361 Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    3/1/22
    600v Disconnect

    They have GREAT Inventory! Even my Local suppliers did not have them in stock.

  • SK
    Saki K.
    Flag of United States
    Reviewing
    Square D HU361 Safety Switch
    I recommend this product
    Rated 5 out of 5 stars
    2/20/22
    Good product

    Good product in good price