Engineered for high-fault environments, the Square D LXI36400 is a 400A current-limiting MCCB. It is designed to mount into I-Line panelboards and switchboards, offering a reliable plug-on connection for industrial power distribution. The breaker is equipped with a solid-state Micrologic trip unit featuring adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection. Boasting a 200kAIC rating at 480VAC, it is replaced by the LLA36400U43X.
Specifications
Brand
Square D
Series
LXI
Amperage
400A
Voltage
240VAC, 480VAC, 600VAC
Poles
3
Phase
3
AIC Rating
200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC
Mounting Style
I-Line
Terminal Type
Lugs
For Use With
Square D I-Line Panelboards and Switchboards
Trip Technology
Electronic Trip
Trip Function Code
LSI
Trip Function
Long-Time, Short-Time, Instantaneous
Trip Adjustability
Adjustable
Wire Gauge
(1) 500-750 kcmil (Al/Cu) or (2) 3/0 AWG-250 kcmil (Al/Cu)
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