GE Industrial Solutions Spectra K-Frame MCCB with microEntelliGuard trip unit User Manual

Page 3

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GEH-701

Instructions


3. Install any internal accessories, following the

instructions supplied with each accessory. Available
accessories and their mounting locations are

listed in Table 3. Check all accessories for proper

installation and wire routing. Verify breaker
operation with the installed accessories. Accessory
leads can be routed along the side of the breaker
and across the back. An auxiliary switch is required
for the breaker status signal.

Table 3. Internal Accessories

Internal Accessory

Maximum

Number of

Accessories

Accessory

Installation

Location

Auxiliary Switch

(SPDT or DPDT)

1

Right

Bell Alarm Switch

1

Left

Shunt Trip or

Undervoltage Release

1

Left

4. Attach the terminal lugs, listed in Table 4, following the

instructions supplied with the lugs.

Table 4. Available Lugs

Catalog Number

Description

Wire Type

Lug Material

TCAL81

800A Lug

Cu/Al

Tin-plated

aluminum

TCAL125

1200A Lug

TCO81A

800A Lug

Cu only

Tin-plated

copper

TCO125

1200A Lug

5. Ensure that all terminals are torqued to the proper

value, as listed in the lug kit instruction sheet . Install
the terminal covers, ensuring that they are firmly
seated.


NOTE: Aluminum wire must be used with a joint
compound recommended by the wire manufacturer.

WARNING: It is important that the terminal covers are
installed correctly to ensure proper circuit breaker
operation.


IMPORTANT: Il est important de vérifier que tous
couvercles ou caches de protection sont correctement
installés afin d’assurer le bon fonctionnement de l’appareil.

NOTE: The SKP and SKS Frames (100kA , 480V) have a
longer terminal cover for the upper (line) The top portion
of this cover must be installed after cable or bus
installation. Do not substitute the shorter lug cover.


IMPORTANT: Un caches-bornes plus long est spécifique
au bout supérieur des disjoncteurs SKP et SKS (100kA ,

480V). Le haute de ce cachebarnes doit être monté après

d’installer Ie câble ou Ie bus. Ne substituez pas un cache-

bornes plus court .


6. Finally, connect all associated components that are

required for the breaker to function properly, using
the instructions supplied with each component .

The following is a list of available associated
components:

• Terminal board connector

• Neutral current sensor connector

• Control power connector

• Extension cable

• Control power module (control power transformer

may be required)

• Voltage conditioners (potential transformers may

be required)

• Voltage module

• Neutral current sensor

IMPORTANT: Si un cable en aluminum est employé,
utilisez le lubrifiant recommandé par le fabricant .

Mounting

All Spectra

®

RMS circuit breakers are suitable for

reverse feed and no line or load markings.
Incoming power cables or busbars may be
connected to either the upper or lower terminals
as required by the application

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