Rockwell-automation 140U N-Frame Circuti Breakers Instruction Leaflet Manual de usuario descargar pdf (Pagina 6)

Page 6

Fig. 2-3 Breaker Mounting Bolt Drilling Plan

Fig. 2-4 Circuit Breaker Escutcheon Dimension

Fig. 2-5 Securement of Cable (See caution note for

bracing instruction)

HAZARDOUS VOLTAGE CONDITIONS CAN CAUSE

DEATH OR SEVERE PERSONAL INJURY. MAINTAIN

ORIGINAL ELECTRICAL CLEARANCE AND CREEP-

AGE SPACINGS AT TERMINATIONS.

After the circuit breaker is installed and all connections

are made, check all mounting hardware and terminal

connection hardware for torque loading. Torque values

for line/load terminal lugs are given on the circuit breaker

nameplate and table in Fig. 2-1. Torque mounting screws

to 30-35 Ib-ft. (41-47 Nm).

Re-install load end and line end covers and secure with

pan head screws provided. Torque large screws to 35-45

Ib-in. (4.0-5.0 Nm) and small screws to 24-30 Ib-in

(2.7-3.4 Nm).

When prospective fault currents of cabled

UNSUPPORTED CABLES CAN CAUSE MINOR PER-

SONAL INJURY OR EQUIPMENT DAMAGE UNDER

SHORT CIRCUIT CONDITIONS.

WARNING

CAUTION

installations exceed 65kA the conductors are to be

braced in accordance with Fig. 2-5.

40752-093(1) Effective 5/02

1 2 3 4 5 6 7 8 9 10 11 ... 15 16

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Rockwell-automation 140U N-Frame Circuti Breakers Instruction Leaflet Manual de usuario Pagina 6