Rockwell-automation 140U N-Frame Circuti Breakers Instruction Leaflet Instrukcja Użytkownika Pobierz pdf (Strona 5)

Page 5

Fig. 2-1 Terminal Installation

Fig. 2-2 Conductor Extensions and Terminal Installation for 100% Rating

For bus connections use:

.500-13 bolts (English Threads)

For front mounted bus connections, socket cap screws

are recommended.

Terminals are not included in the

conductor extension kit.

Terminals must be purchased

separately.

Torque Table (Domestic)

Terminal

Cat. No.

Wire Size

MCM

Cond.

Mat’l

Torq.

lb - in

1 #1 - 500 (2) CU / AL 375

1 3/0 - 400 (3) CU / AL 375

140U-N-TLA4 4/0 - 500 (4) CU / AL 375

1 500 - 750 (3) CU / AL 450

1 2/0 - 500 (2) CU ONLY 300

1 3/0 - 500 (3) CU ONLY 300

140U-N-TLC4 3/0 - 400 (4) CU ONLY 275

Note: Conductor extensions

increase breaker length by 3.75”

on each end.

1 Contact Allen-Bradley

40752-093(1) Effective 5/02

1 2 3 4 5 6 7 8 9 10 ... 15 16

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Rockwell-automation 140U N-Frame Circuti Breakers Instruction Leaflet Instrukcja Użytkownika Strona 5