PowerPact L-Frame Molded Case Circuit Breaker, LDL36400U31X, are designed to protect electrical systems from damage caused by overloads and short circuits. PowerPact L-frame circuit breakers are available with Micrologic electronic trip units. This breaker is certified to UL, IEC, CE, CSA Standards. Dimensions are 287 mm (H) x 140 mm (W) x 168 mm (D).
The PowerPact Advantage. Proven Performance, Industry-leading circuit breaker innovation and protection for heavy-duty commercial and industrial applications. Smart, Integrated metering options provide a cost-effective solution to reduce energy consumption, optimize energy costs, and improve energy availability for your facilities. Flexible, Full range of thermal-magnetic and electronic trip molded case circuit breakers from 15 A to 3000 A, delivering the ratings, configurations, and operators for your unique applications.
Simple, Common catalog numbers, standardized ratings, and a full range of field-installable accessories make product selection, installation and maintenance easier than ever. Common Design Features, Mounting holes, door trim, and handle accessories.
Specifications
Main
Range PowerPact
Product name PowerPact L
Device short name L-Frame
Product or component type Circuit breaker
Device application Distribution
Complementary
[In] rated current 400 A
Number of Poles 3P
Control type Toggle
Breaking capacity code D
Breaking capacity
25 kA 240 V AC 50/60 Hz UL 489
18 kA 480 V AC 50/60 Hz
14 kA 600 V AC 50/60 Hz
20 kA 250 V DC
[Ue] rated operational voltage
690 V AC 50/60 Hz IEC 60947-3
Network frequency 50/60 Hz
[Ics] rated service breaking capacity
25 kA 220/240 V AC 50/60 Hz IEC 60947-2
18 kA 380/440/415 V AC 50/60 Hz IEC 60947-2
14 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
Suitability for isolation Yes IEC 60947-2
Utilisation category Category A
AWG gauge
2 x AWG 2/0...500 kcmil aluminum/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 Unit mount lug)
Mounting support Lug
Electrical connection
Lugs line
Lugs load
Terminal identifier AL600LS52K3
long time pick-up adjustment range 0.25...1 x In
Tightening torque
442.54 lbf.in (50 N.m) 0.11…0.37 in² (70…240 mm²) AWG 2/0...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
1.22 in (31 mm)
2.40 in (61 mm)
Color Black
Height 13.39 in (340 mm)
Width 5.51 in (140 mm)
Depth 4.33 in (110 mm)
Net weight 13.67 lb(US) (6.2 kg)
Communication interface
Modbus
Ethernet
Circuit breaker application HACR rated
Environment
Standards UL
CSA
NEMA
NOM-003-SCFI-2000
IEC 60947-2
Product certifications UL
CSA
NOM
IP degree of protection Front cover IP40
Pollution degree 3 IEC 60947-1
Ambient air temperature for operation
28…158 °F (-2…70 °C)
Ambient air temperature for storage
-58…185 °F (-50…85 °C)
Operating altitude
< 2000 m without derating
5000 m with derating