Molded Case Circuit Breaker, LEGACY MCCB Series, 400A, 2 Pole, 600V AC, 42kA at 240V AC MPN:LA26400AC
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In Stock
Free Shipping
In Stock
SKU
510-G0411923
Molded Case Circuit Breaker, LEGACY MCCB Series, 400A, 2 Pole, 600V AC, 42kA at 240V AC
This 400A, 2-pole Molded Case Circuit Breaker is designed for use with Square D I Line Panelboards, Series LA, and offers high amp trip settings of 4,000A and low amp trip settings of 2,000A. Its thermal magnetic trip type provides reliable protection against overcurrent conditions. Suitable for a variety of applications, including commercial and industrial settings, this circuit breaker is ideal for use in high-power electrical systems. Its plug-in panelboard mounting style and compact dimensions make it easy to integrate into existing infrastructure, while its high interrupting capacity of 42kA at 240V AC ensures safe and reliable operation.
Top product features:
- High Amp Trip Setting of 4,000 A for enhanced safety
- Instantaneous Trip Adjustable for customizable protection
- Thermal Magnetic Trip Type for reliable circuit interruption
Top product applications:
- Industrial Panelboard Applications
- Commercial Panelboard Applications
- High-Ampacity Distribution Systems
Molded Case Circuit Breaker, 400 A Amps, AC Voltage Rating 600V AC, Max. AIR Rating 42kA at 240V AC, For Use With I Line Panelboards, Series LA, High Amp Trip Setting 4,000 A, Low Amp Trip Setting 2,000 A, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 250V DC, Terminal Connection Lug, Trip Type Thermal Magnetic, Phase Single, Instantaneous Trip Adjustable, Phase Connection AC, Frame Size 400A/LA, Circuit Breaker Mounting Style Plug In Panelboard, Height 11 in, Width 6 in
Additional Information
- Country of Origin: MX
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 22 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 17.50
- Package Width: 11.60
- Package Height: 9.40
- Package Weight: 16.50
Product info last updated on January 15, 2026 8:04am UTC
Category: Circuit Protection