SE Digest 178

I-Line™ Panelboards—600 Vac, 250 Vdc

Molded Case Circuit Breakes for I-Line™ Panelboards

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Refer to I-Line Power Distribution Panelboards Table 9.143: PowerPacT M-frame: with ET1.0 Factory – sealed trip unit (not field adjustable)—800 A [73] (PowerPacT M-frame circuit breakers utilize 9" of the available I-Line bussing.) Ampere Rating Adjustable Instantaneous TripRange [74] G Interrupting J Interrupting

Terminal WireRange

High 3000 3500 4000 4500 5000 6000 7000 8000 3000 3500 4000 4500 5000 6000 7000 8000

Catalog Number [75]

Catalog Number [75]

Low

MGA26300( ) MGA26350( ) MGA26400( ) MGA26450( ) MGA26500( ) MGA26600( ) MGA26700( ) MGA26800( )

MJA26300( ) MJA26350( ) MJA26400( ) MJA26450( ) MJA26500( ) MJA26600( ) MJA26700( ) MJA26800( )

300A 350A 400A 450A 500A 600A 700A 800A 300A 350A 400A 450A 500A 600A 700A 800A

600 700 800 900

3–3/0 through 500 kcmil Al orCu

2-pole, 600 Vac, 50/60Hz 9 PANELBOARDS 3-pole, 600 Vac, 50/60Hz

1000 1200 1400 1600

600 700 800 900

MGA36300 MGA36350 MGA36400 MGA36450 MGA36500 MGA36600 MGA36700 MGA36800

MJA36300 MJA36350 MJA36400 MJA36450 MJA36500 MJA36600 MJA36700 MJA36800

3–3/0 through 500 kcmil Al orCu

1000 1200 1400 1600

L-frame accessories, see Supplemental Digest Section 3. L-frame dimensions, page . L-frame optional lugs, page .

M-frame accessories, page . M-frame dimensions, page . M-frame optional lugs, page .

Table 9.144: Automatic Molded Case Switches—600 Vac, 50/60 Hz Ampere Rating 2-pole 3-pole Catalog Number [77] Catalog Number 240Vac

Withstand Rating [76]

Trip Point Amperes

Terminal WireRange

480Vac

600Vac

AC

PJA26000S60( ) PJA26000S80( ) PJA26000S10( ) PJA26000S12( )

600A 800A

PJA36000S60 PJA36000S80 PJA36000S10 PJA36000S12

100 100 100 100

65 65 65 65

25 25 25 25

10000 10000 10000 10000

3–3/0 through 500 kcmil Al or Cu 4–3/0 through 500 kcmil Al or Cu

1000A 1200A

[73] The ET 1.0 trip unit cannot be field replaced, nor does it allow adjustment of the long-time trip point setting. It is considered an electronic equivalent of a thermal-magnet circuit breaker. [74] UL magnetic trip setting tolerances are ±10% from the nominal values shown. [75] Fill in parentheses with the following phase connection options: (2) for AC and (5) for CA. [76] The withstand rating is the fault current, at rated voltage, that the molded case switch will withstand without damage when protected by a circuit breaker with an equal ampere rating. [77] Fill in parentheses with the following phase connection options: (2) for AC or (5) for CA.

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