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INDEX
INTRODUCTION.
Warranty .
Receiving.
S
to
rage
.
Circuit Breaker Preparation
CIRCUIT BREAKER DESCRIPTION
Tripping
Interruption .
Closing .. .
Stored Ene
r
g
y
Operator
Auxiliary Switch . .
Trip Solenoid
Capacitor Trip Device
CIRCUIT BREAKER OPERATION
Reclosing Control . . .
STORED ENERGY OPERATOR OPERATION
Spring Charging Cycle
Reclosing Control . . .
Breaker Closing Cycle
Spring Recharge After
Closing.
Tripping Cycle.
ELECTRICAL CONTROL.
Schematic
Spring Charging .
Closing .
Close Latch
-Mechanical
and
Electrical
Interlocks
PAGE
.1
.1
.
1
.1
.1
.4
.4
.
4
. 4
.4
.4
.5
.5
. 5
.5
.6
.
6
.
7
.7
.
7
.7
.
8
.
8
8
.
8
.8
ADJUSTMENTS .. . ..
Circuit Breaker Timing .
Auxiliary
Switch .. .
.
Interlock Plunger .
.
.
.
Trip Latch Adjustments
Trip Latch Check Sensor Adjustment
Manual Charging of Closing Springs.
Removal of Closing Springs
.
.
.
.
Motor
Cutoff Switch . ... . .
.
Motor Cutoff Switch Adjustment.
Close Latch Bite Adjustment ..
Close Latch Check Switch Adjustment.
Free
Height
Adjustment .
Discharge or Close
Adjustment
Overtravel
Closing Latch Mechanical Interlock .
MAINTENANCE
General .
Con
tact Erosion
.
Interrupter
Vacuum
Hydraulic
Shock .A.bsorber .
Opening and Closing
Time.
Interrupter Replacement.
Mechanism - Stored Energy Operator .
Closing Spring Removal
Lubrication
Method for Cleaning Bearings .
. 9
. 9
. 9
. 9
. 1 0
1 0
11
11
11
11
12
12
12
12
12
12
13
13
13
13
13
14
14
15
15
15
15
Fig.
Circuit Breaker Handling
Instruct ions
. .......... 17
Fig. 2
Typical Vacuum Circuit Breaker Assemblies ........ 18
Fig. 3
Vacuum Interrupter Assembly ................... 19
Fig.
4
a
Side View of Vacuum Circuit Breaker ............. 20
Fig.
4b
Typical Circuit Breaker
Frame
&
Operator
Assembly .. 21
Fig.
5
Sequence of Operation
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
22
Stored Energy Operator - Nomenclature
.
.
.
.
.
.
.
.
. ....... 23
Fig.
6
515-2V Operator Left Hand View ..
.
. ...... 24
Fig. 7
Fig. 8
Fig.
9
515-2V Operator
Right Hand View
.
.
..
.
.
...
.
.
.
.
.
.
.
29
515-2V Operator Front View ...... .............. 26
Controls Scheme for Stored Energy
Operator
.... 27
Fig. 10
Type 0-10 Auxiliary Switch . . . . .. . .
. 28
Fig. 11
Trip Latch Clearance Adjustment . .. ..
. 29
Fig. 12
Spring Release Solenoid Cap Adjustment
. 30
Fig.
13
Motor
Cutoff Switch .
.
.. . .
.
.
.
.
.
. 31
Fig.
14
Close
Latch
Bite and Check Switch Adjustments .
32
Fig. 15
Closing Spring Discharge Mechanism .
33
Fig. 16
Close Latch Mechanical Interlock.
34
Fig. 17
Lubrication Points
on
Breaker .. .
35
Fig. 18
Lubrication Chart ..... .. .. .
36
Fig.
19
A Method for Checking Opening and Closing Times
37
Fig. 20
Trip
Latch
Bi
t
e and Check Switch Adjustments . ..
38
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