GE AKR-75 Series User Manual

GEt-861518
INSTRUCTIONS
_
INSTALLATION
AND OPERATION
AKR'75
&
AKR-I
OO
LOW.VOLTAGE
POWER
CIRCUIT
BREAKERS
AKR.sA.l OO
Manually
operated,
AKD-S type
AKR-5-100
Manually
operated, AKD type
i,
,.:.,-..
,
T:*;"
AKR.5B.75
Electrically
operated,
substructure
type
i;
t::
w
.:d
]{
.$.:r&
1i:.:,.\r:,t
'a,.::
'
1l'::
Lu
""
Y*
B
-tr
;+s
X.
i*:,rr
i.
$':l--i}liiir'
.
F;'r.:
,,*i
k,'*-
AKR-sC-75
Electrically
operated,
AKD-6
type
l,s;
S;Ff
:
i

GE AKR-75 Series Specifications

General

Brand	GE
Model	AKR-75 Series
Category	Circuit breakers
Language	English

Summary

Introduction

Installation

Location

Factors for choosing an installation site for breakers.

Mounting Types

Identification of breaker mounting styles.

Stationary Breakers

Installation details for stationary breaker types.

Drawout Breakers

General

Overview of drawout breaker construction and types.

No Code Letter (AKD Switchgear)

Details for AKD switchgear replacement breakers.

Breaker Insertion (AKD Type)

Step-by-step guide for inserting AKD type breakers.

Breaker Removal (AKD Type)

Step-by-step guide for removing AKD type breakers.

Code A (AKD-5/6 Switchgear)

Drawout mechanism and operation for Code A breakers.

Breaker Insertion (Code A)

Precautions and steps for inserting Code A breakers.

Breaker Removal (Code A)

Procedure for removing Code A breakers.

Code B (AKR Substructure)

Details of AKR substructure and drawout operation.

Breaker Insertion (Code B)

Steps for inserting Code B breakers into substructures.

Breaker Removal (Code B)

Procedure for removing Code B breakers.

Code C (AKD-6 Switchgear)

Differences and interchangeability for Code C breakers.

Fuse Rollout Elements

Table 4 Fuse Rollout Elements

Specifications for fuse rollout elements.

Connections

Control Connections

Wiring diagrams for control circuits.

Operation

General

How breaker closing springs store and release energy.

Manual Closing

Procedure for manually closing the breaker.

Electrical Closing

Procedure for electrically closing the breaker.

Maintenance

Inspection

Periodic checks and visual inspections for breakers.

Lubrication

Lubrication points and recommended lubricants.

Reference Publications

Interchangeability of Drawout Breakers

General

Overview of drawout breaker interchangeability.

No-Letter AKD Types

Interchangeability of AKD breakers.

Code A Types

Interchangeability of Code A breakers.

Code B Types

Interchangeability of Code B breakers.

Code C Types

Interchangeability of Code C breakers.

"E-Type" Rejection

Special category breakers and rejection features.