Siemens TL.. Manual de Instruções descarregar pdf (Página 10)

Installation instructions for systems breakers, trip units, and

rating plugs are presented in this section. Installation instruc-

tions for accessories that may be installed in the ﬁeld are

presented in the Accessories section.

Installing Drawout Constructed SB Breakers

Drawout constructed SB breakers are designed to be installed

from the front into a switchboard with a minimum width open-

ing: 19 in. (1200A and 2000A frames), 20.36 in. (3200A frame),

and 28.34 in. (5000A frame). The stationary drawout element

may be secured in the switchboard at the front and rear to ver-

tical supports or at the top and bottom to horizontal supports.

Installing the Stationary Drawout Element

Prepare the switchboard for installation of the stationary

drawout element in accordance with the outline drawings

located in the Outline Dimension Drawings section starting on

page 36. The locations of the mounting holes are depicted on

the drawings.

Carefully uncrate the stationary drawout element. Remove all

packing material with the exception of the tie wraps holding

the extension rails in place. Depending upon the installation

scheme, it may be necessary to remove the tie wraps on the

extension rails just prior to securing the stationary drawout

element in the switchboard. If the stationary drawout element

is secured to a pallet, remove the securing device.

The bottom of the stationary drawout must be secured to the

switchboard using four 3/8-inch bolts. Additional mounting

hardware may be used to attach the top and front of the

stationary drawout but is not required.

The stationary drawout element can be manually lifted and

held in position as it is being installed. However, if preferred,

the two holes identiﬁed as lifting points on the outline drawing

may be used to attach a lifting device.

Attach lifting device to identiﬁed lifting points only.

NOTE: The two rear holes are located so that the station-

ary drawout element can be easily balanced as it is being

lifted by a crane or hoist. Do not lift the stationary

drawout element using only the two top front holes. If

preferred, the device can be lifted using all four top holes.

Lifting devices should not be attached to any other points. The

stationary drawout element should not be lifted by the primary

stabs.

Lift the stationary drawout element into position and secure it

in place. Remove the lifting device.

Remove the tie wraps securing the extension rails. Check to

ensure that no packing or other foreign material impedes rail

movement.

Frame Installation Instructions

Stationary, Moveable, and Fixed-Mounted Drawout Elements

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 65 66

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