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Square D NE361200LS Molded Case Circuit Breaker

  • 1200A
  • 3 Pole
  • I-Line
Square D NE361200LS
Molded Case Circuit Breaker
Brand Square D
SKU NE361200LS
Select Item Condition
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  • 1200A
  • 3 Pole
  • I-Line

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Square D NE361200LS - 1200A 3 Pole Molded Case Circuit Breaker

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$9,786.00 Check Stock

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Description

Delivering 100kAIC of interrupting capacity at 480V, this 1200A electronic trip MCCB is engineered for demanding commercial environments. This N-Frame breaker installs into Square D I-Line panelboards and switchboards. While it is a legacy component, it serves as the predecessor to the newer PLA36120U33A replacement. It utilizes a Micrologic full-function trip unit with adjustable long-time and short-time (LS) settings, enabling precise system coordination and true RMS sensing.

Specifications

Key specifications
Brand Square D
Part Number NE361200LS
Series NE
Amperage 1200A
Poles 3
Mounting Style I-Line
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 100kA @ 240VAC, 100kA @ 480VAC, 65kA @ 600VAC
Fit and installation
Frame Type NE
Terminal Type Lugs
For Use With Square D I-Line Panelboards and Switchboards
Wire Gauge (4) 3/0 AWG - 600 kcmil (Al/Cu)
Max Wire 600 kcmil
Min Wire 3/0 AWG
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LS
Trip Function Long-Time, Short-Time
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits
Accessories Lugs
Standards CSA C22.2 No. 5, NEMA AB-1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features 100% Rated, True RMS Sensing, Non-Interchangeable Trip

Product FAQs

4 answers
How much mounting space does the NE361200LS require in an I-Line panelboard?

As a 1200A N-frame I-Line circuit breaker, it requires 15 inches of branch mounting space on the bus.

Will this breaker work in a standard QO or NQ panelboard?

No. The NE361200LS features an I-Line style plug-in connection and is exclusively compatible with Square D I-Line panelboards and switchboards designed to accept N-frame breakers.

What does the LS designation mean on the NE361200LS trip unit?

The LS indicates that the breaker is equipped with an electronic trip unit featuring adjustable Long-Time and Short-Time trip functions. This allows panel builders to precisely coordinate the breaker with other overcurrent devices in the system.

Is the NE frame still the current standard for 1200A Square D breakers?

The NE frame is a legacy N-frame circuit breaker. While the PowerPact P-frame is the modern equivalent for 1200A applications, the NE361200LS is often required as a direct, drop-in replacement for existing N-frame I-Line panel spaces.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 2 reviews
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
2 reviews
  • KC
    Kenny C.
    Verified Buyer
    Reviewing
    Federal Pacific NE233100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/6/25
    Had what we needed

    needed an old FP breaker SP had it in stock. saved us from downtime

  • RV
    Robert V.
    Flag of United States
    Reviewing
    Federal Pacific NE233050 - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    5/5/22
    Hard to Find

    It was a relief to find this working Federal Pacific CB for our church’s Main HVAC supply panel- We are in Florida and it is hot now! services and social events are happening in the cool of the restored AC- thank God!!