Square D - LGA36400U31X Circuit Breaker
Catalog No: LGA36400U31X
Circuit breaker, PowerPacT L, 400A, 3 pole, 600VAC, 18kA, I-Line, Micrologic 3.3, 80%, ABC
Line Rated Current 400 A
Number of Poles 3P
Control Type Toggle
Breaking capacity code G
Breaking capacity
65 kA 240 V AC 50/60 Hz UL 489
35 kA 480 V AC 50/60 Hz UL 489
18 kA 600 V AC 50/60 Hz UL 489
20 kA 250 V DC UL 489
20 kA 500 V DC UL 489
[Ue] rated operational voltage 600 V AC 50/60 Hz IEC 60947-3
Network Frequency 50/60 Hz
[Ics] rated service breaking capacity
65 kA 220/240 V AC 50/60 Hz IEC 60947-2
35 kA 380/440/415 V AC 50/60 Hz IEC 60947-2
18 kA 500/525 V AC 50/60 Hz IEC 60947-2
20 kA 250 V DC IEC 60947-2
20 kA 500 V DC IEC 60947-2
[Uimp] rated impulse withstand voltage 8 kV IEC 60947-2
Trip unit technology Electronic, standard, MicroLogic 3.3, LI
Continuous current rating 80 %
[Ui] rated insulation voltage
750 V IEC 60947-2
Trip unit name MicroLogic 3.3
Protection technology Current limiter
Suitability for isolation Yes IEC 60947-2
Utilisation category Category A
AWG gauge
AWG 3/0...500 kcmil aluminium/copper
Local signalling
Ready 1 LED green)
Alarm 1 LED 90 % Ir orange)
Alarm LED 105 % Ir red)
Switched off (OFF) 1 trip indicator green)
Mounting mode I-Line bracket)
Mounting Support
Bracket Electrical connection
I-Line connection, line Lugs, load
Terminal identifier AL600LF52K3
Long time pick-up adjustment range 0.25...1 x In
Mounting Height 6 in (152.4 mm)
Tightening torque 442.5 lbf.in (50 N.m) 0.1…0.4 in² (95…240 mm²) (AWG
3/0...500 kcmil)
Number of slots
2 auxiliary switch OF plug-in)
1 alarm switch SD plug-in)
1 overcurrent trip switch SDE plug-in)
1 voltage release MN or MX plug-in)
Power wire stripping length 1.2 in (31 mm)
Color Black
Height 13.4 in (340 mm)
Width 5.5 in (140 mm)
Depth 4.3 in (110 mm)
Product Weight 13.7 lb(US) (6.2 kg)
Phase connection
ABC Communication interface
Modbus Ethernet
Circuit breaker application HACR rated
Aftermarket Lockdown Screw and Lug Cover Screws
Condition: Like New