SE Digest 178

MasterPact™ Power Circuit Breakers

MasterPact™ NT/NW Circuit Breakers Class 613 / Refer to Catalog 0613CT0001

www.se.com/us

Table 7.160: MasterPact NT Circuit Breaker Ratings

ANSI C37 Certified/ UL 1066 Listed

UL 489 Listed

Standard Frame Rating Interrupting Code

1600A [27]

800A

800A

1200A

LF [28]

LF [28]

N1 42 42 — 42 — 40 —

N H L1

L

N H L1

L

N H L1

L

240Vac 480Vac 600Vac

50 65 100 200 200 50 65 100 200 200 50 65 100 200 50 50 65 100 100 50 50 65 100 100 50 50 65 100 35 50 — — — 35 50 — — — 35 50N/AN/A 35 35 10 10 10 35 35 10 10 10 35 35 10 10 40 40 10 10 10 40 40 10 10 10 40 40 10 10 25 25 10 10 10 25 25 10 10 10 25 25 10 10 ————Yes————Yes————

Interrupting Current (kA RMS) 50/60 Hz

Short-time Withstand Current (kA RMS)

Built-in Instantaneous Override (kA RMS ±10%)

Close and latch rating (kA RMS)

Tested to show the arc flash hazard risk category as referenced by NFPA70E

25–30 ms with no intentional delay

Breaking time Closing time Sensor Rating

25–30 ms with no intentional delay (9 ms for L and LF)

<50ms

100–250A 400–800A

100–250A 400–800A

600–1200A

800–1600A

—

12,500

12,500

12,500

12,500

Mechanical Electrical

Endurance Rating (C/O Cycles) With No Maintenance

2800

2800

2800

2800

Table 7.161: MasterPact NW/NT Circuit Breaker Remote Racking Description

Cat. No.

MasterPact NW/NT Remote Racking Devices [29] MasterPact NW Remote Racking Device [29] MasterPact NT Remote Rackign Device [29]

NWNTMPRRT

NWMPRRT NTMPRRT

Mounting Bracket Kit for NW Remote Racking (contains 10 mounting brackets) [30] Mounting Bracket Kit for NT Remove Racking (contains 10 mounting brackets) [30]

S47100 S47104 S47101 S47102 S47103 S47105

Control Unit for NW Remote Racking [30] 30 ft Control Cable for NW Remote Racking [30] Drive Shaft for NW Remote Racking [30]

Drive Shaft for NT Remote Racking [30]

NWMPRR

7 MINIATURE AND MOLDED CASE

CIRCUIT BREAKERS

[27] Fixed mounted only. [28] Drawout mounted only. [29] Unit comes with 10 mounting brackets included. [30] For replacement only.

7-80

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