SE Digest 178

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Mission Critical Circuit Breakers

Selective Coordination

Class 500, 600

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PowerPact Mission Critical Circuit Breakers

Delivering high levels of selective coordination in a flexible design that can be easily configured for a variety of applications. • Adjustable long-time settings in three sensor sizes provide coverage from 70-600 A on 120-240, 208Y/120, 240, and 480Y/277 Vac systems • Undergone rigorous testing procedures to certify the coordination with downstream circuit breakers

• Available in J-Frame (250A) and L-Frame (600A) • UL 489 listed, CSA Certified Voltage: 480Y/277V

PowerPact J-Frame

Table 7.82: J-Frame 250 A Electronic Trip Mission Critical 80% Rated Circuit Breakers (480/277 Vac) with Factory Sealed Trip Units Suitable for Reverse Connection Electronic Trip Unit Type Trip Function TripUnit Continuous Current Cat.No. Terminal D Interrupting G Interrupting J Interrupting L Interrupting Standard LI 3.2W 250A JDL34250WU31X JGL34250WU31X JJL34250WU31X JLL34250WU31X AL250JD [1] Standard LSI 3.2S-W 250 A JDL34250WU33X JGL34250WU33X JJL34250WU33X JLL34250WU33X AL250JD [1] High Perf. Ammeter LSI 5.2A-W 250 A JDL34250WU43X JGL34250WU43X JJL34250WU43X JLL34250WU43X AL250JD [1] High Perf. Energy LSI 5.2E-W 250 A JDL34250WU53X JGL34250WU53X JJL34250WU53X JLL34250WU53X AL250JD [1] High Perf. Ammeter LSIG 6.2A-W 250 A JDL34250WU44X JGL34250WU44X JJL34250WU44X JLL34250WU44X AL250JD [1] High Perf. Energy LSIG 6.2E-W 250 A JDL34250WU54X JGL34250WU54X JJL34250WU54X JLL34250WU54X AL250JD [1] Table 7.83: L-Frame 600 A Electronic Trip Mission Critical Circuit Breakers (480/277 Vac) with Factory Sealed Trip Units Suitable for Reverse Connection [2] Electronic Trip Unit Type Trip Function TripUnit Continuous Current Cat.No. Terminal D Interrupting G Interrupting J Interrupting L Interrupting. 480/277 Vac, 50/60 Hz, 3P

LDL34250WU31X LGL34250WU31X LJL34250WU31X LLL34250WU31X AL400L61K3 [3] LDL34400WU31X LGL34400WU31X LJL34400WU31X LLL34400WU31X AL600LS52K3 [4] LDL34600WU31X LGL34600WU31X LJL34600WU31X LLL34300WU31X LDL34250WU33X LGL34250WU33X LJL34250WU33X LLL34250WU33X AL400L61K3 [3] LDL34400WU33X LGL34400WU33X LJL34400WU33X LLL34400WU33X AL600LS52K3 [4] LDL34600WU33X LGL34600WU33X LJL34600WU33X LLL34300WU33X LDL34400WU43X LGL34400WU43X LJL34400WU43X LLL34400WU43X AL600LS52K3 [4] LDL34600WU43X LGL34600WU43X LJL34600WU43X LLL34300WU43X LDL34400WU53X LGL34400WU53X LJL34400WU53X LLL34400WU53X AL600LS52K3 [4] LDL34600WU53X LGL34600WU53X LJL34600WU53X LLL34300WU53X LDL34400WU44X LGL34400WU44X LJL34400WU44X LLL34400WU44X AL600LS52K3 [4] LDL34600WU44X LGL34600WU44X LJL34600WU44X LLL34300WU44X LDL34400WU54X LGL34400WU54X LJL34400WU54X LLL34400WU54X AL600LS52K3 [4] LDL34600WU54X LGL34600WU54X LJL34600WU54X LLL34300WU54X LDL44250WU31X LGL44250WU31X LJL44250WU31X LLL44250WU31X AL400L61K4 [3] LDL44400WU31X LGL44400WU31X LJL44400WU31X LLL44400WU31X AL600LS52K4 [4] LDL44600WU31X LGL44600WU31X LJL44600WU31X LLL44300WU31X LDL44250WU33X LGL44250WU33X LJL44250WU33X LLL44250WU33X AL400L61K4 [3] LDL44400WU33X LGL44400WU33X LJL44400WU33X LLL44400WU33X AL600LS52K4 [4] LDL44600WU33X LGL44600WU33X LJL44600WU33X LLL44300WU33X LDL44400WU43X LGL44400WU43X LJL44400WU43X LLL44400WU43X AL600LS52K4 [4] LDL44600WU43X LGL44600WU43X LJL44600WU43X LLL44300WU43X LDL44400WU53X LGL44400WU53X LJL44400WU53X LLL44400WU53X AL600LS52K3 [4] LDL44600WU53X LGL44600WU53X LJL44600WU53X LLL44300WU53X LDL44400WU44X LGL44400WU44X LJL44400WU44X LLL44400WU44X AL600LS52K4 [4] LDL44600WU44X LGL44600WU44X LJL44600WU44X LLL44300WU44X LDL44400WU54X LGL44400WU54X LJL44400WU54X LLL44400WU54X AL600LS52K4 [4] LDL44600WU54X LGL44600WU54X LJL44600WU54X LLL44300WU54X

250A 400A 600A 250A 400A 600A 400A 600A 400A 600A 400A 600A 400A 600A 250A 400A 600A 250A 400A 600A 400A 600A 400A 600A 400A 600A 400A 600A

Standard

LI

3.3W

Standard

LSI

3.3S-W

High Perf. Ammeter

LSI

5.3A-W

High Perf. Energy

LSI

5.3E-W

High Perf. Ammeter

LSIG 6.3A-W

High Perf. Energy

LSIG 6.3E-W

480/277 Vac, 50/60 Hz, 4P

Standard

LI

3.3W

Standard

LSI

3.3S-W

High Perf. Ammeter

LSI

5.3A-W

High Perf. Energy

LSI

5.3E-W

High Perf. Ammeter

LSIG 6.3A-W

High Perf. Energy

LSIG 6.3E-W

Table 7.85: J- and L-Frame Termination Options Termination Letter A = I-Line (See Section 9) JG L 36100

Table 7.84: Terminal Wire Ranges Terminal WireRange AL250JD (1) 3/0 AWG 350 kcmil AL or Cu AL400L61K3 (1) #2 AWG–500 kcmil Al or (1) #2 AWG–600 kcmil Cu. AL600LS52K3 (2) 2/0 AWG–500 kcmil Al or Cu. 7 MINIATURE AND MOLDED CASE Accessories see page 7-51 Optional Lugs see page 7-56 Compression and PDC Lugs see Supplemental Digest, Section 3

For factory-installed termination, place termination letter in the third block of the circuit breaker catalog number. Termination Letter

F = No Lugs (includes terminal nut kit on both ends) [5] L = Lugs both ends

M = Lugs ON end Terminal Nut Kit OFF end P = Lugs OFF end Terminal Nut Kit ON end N=Plug-in D=Drawout S = Rear Connected Table 7.86: J- and L-Frame Interrupting Ratings Voltage

Dimensions see page 7-87 Enclosures see page 7-88

CIRCUIT BREAKERS

Interrupting Rating

D

G

J

L

240Vac 480Vac

25kA 18kA

65kA 35kA

100kA 65kA

125kA 100kA

AL250JD terminal wire range is (1) 3/0 AWG–350 kcmil Al or Cu. 100% rated for 250 A and 400 A. 80% rated for 600 A.

[1] [2]

[3] AL400L61K3 terminal wire ranges are (1) #2 AWG–500 kcmil Al or (1) #2 AWG–600 kcmil Cu. [4] AL600LS52K3 terminal wire ranges are (2) 2/0 AWG–500 kcmil Al or Cu. [5] Add TS suffix for circuit breaker without terminal nut kit.

7-44

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