Ge-industrial-solutions Spectra Series Power Panelboards AMCB6EB, AMCB4SE, Manuel d'utilisateur télécharger pdf

Spectra Series™ Power Panelboards

Bolt-On Circuit Breaker Kits

Catalog Numbers AMCB6EB, AMCB4SE, AMCB4EB

Application

For use with circuit breaker types TEB, TED, THED, SED,

SEH, SEL, SEP.

For Use with Circuit Breaker Cover Kit Catalog Numbers

AFP3SED, AFP4SED, AFP2TED, AFP3TED.

Installation

WARNING: Danger of electrical shock or injury.

Turn OFF power ahead of the panelboard or

switchboard before working inside the equipment or

removing any component. Equipment is to be

installed and maintained by properly trained and

qualified personnel only.

In the following instructions and figures, numbers in brackets

refer to the items in Table 1.

For Spectra APNB bolt-on–style interiors, locate the side of the

panel interior for which the dimension from the nearest vertical

bus face to the inner face of the bus support rail is 2.75 inches,

as indicated in Figure 2. The circuit breaker straps will be

mounted on this side of the bus.

1. Install Circuit Breaker Straps. Install the straps beginning

with the outermost (A and C) poles, as shown in Figure 1.

Align the straps [1, 2] back to back , as shown. Slide the

square hole in the antiturn clip [12] over the corresponding

square shank of the carriage bolt [3], then insert the pin

section of the clip through the circular hole in the strap

assembly, with the carriage bolt extending through the

square hole immediately below. Fasten the complete strap

assembly loosely to the vertical bus , using a Belleville

washer [4] and nut [5] . Repeat the procedure for the

opposite pole, leaving 1.38 inches (1X) of space for the

center pole (see Table 2 for one- and two-pole connection

combinations). Align the center-pole straps [6] as shown

and fasten them loosely to the vertical bus using the same

clip, bolt, washer, and nut assembly.

2. Install Circuit Breaker Mounting Straps and Cover

Supports. Fasten the circuit breaker mounting brackets [7]

to the panel side rails using the thread-forming screws [8]

provided, as shown in Figure 1. Tighten the thread-

forming screws to 25 inch-pounds. Using the uppermost slot

on each cover support body, slide the cover supports

(included in the circuit breaker cover kit), with their

mounting tabs oriented inward, onto each bracket until

they snap into place. The cover supports can be easil y

removed by inserting a screwdriver into the mounting slot

on the underside of the mounting bracket assembly and

gently prying downward while pushing off the cover

support.

3. Install Circuit Breakers. Position the circuit breakers such

that the line- or ON-side terminals rest on the straps and

the opposite sides are supp orted by the mounting brackets.

Align the holes in each circuit breaker body with the

corresponding holes in the mounting bracket. Fasten the

breakers to the brackets with the sh eet- metal screws [10]

and cup washer s [11] and tighten to 20 inch-pounds. Join

the line-side circuit breaker terminals to the threaded holes

in the straps using the screws [9] provided. Tighten the

line-side screws to 32 inch-pounds. Note that the straps

may require minor adjustments for proper hole alignment.

4. Tighten Bolted Connections. Tighten the bolted strap

connections at the vertical bus to 65 inch-pounds. It may be

necessary to remove the adjacent circuit breakers to allow

access to the bolted connections at the vertical bus.

Item Description Qty.

1 A & C pole outer straps 2

2 A & C pole inner straps 2

/4-20 x 1.50" carriage bolts 3

/4" Belleville washers 3

/4-20 hex nuts 3

6 B-pole straps 2

7 Breaker mounting brackets * 2

8 Thread-forming screws 4

9 Screws with lockwashers 6

10 8-32 x 2

/4" screws 4

11 #8 cup washers 4

12 Antiturn clips 3

* Kit AMCB4EB uses an alternate 2X mounting bracket.

Table 1. Bolt-on circuit breaker assembly parts, replacement hardware

kit catalog number AHKBE1.

DEH047 Installation Instructions R02

1 2 3 4

Résumé du contenu

Page 1 - Installation

gSpectra Series™ Power PanelboardsBolt-On Circuit Breaker KitsCatalog Numbers AMCB6EB, AMCB4SE, AMCB4EBApplicationFor use with circuit breaker ty

Page 2

Figure 1. Bolt-on circuit breaker assembly exploded view.Figure 2. Bolt-on circuit breaker assembly end view.

Page 3 - Configurations

Single- and Two-PoleConfigurationsFor phase-balancing purposes, single-phase panels, and dcapplications, Table 2 contains the single- and

Page 4 - General Electric Company

gGE Industrial Systems General Electric C

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