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Siemens RL Instructions

Siemens RL
52 pages
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i.
I
CONTENTS
TABLE OF CONTENTS
lnstallatlon
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Receiving and Inspection
for
Damage . . . . . . . . . 1
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation Sequence . . . . . . . . . . . . . . . . . . . . . . . . 3
Cautions to
Be Observed
in
Installation
and Operation . . . . . . . . . 3
Operation
Description . . . . . . . . . . . 4
Manually Operated Breallers . . . . . . . 4
Electrically-Operated
Circuit
Breaker
. . . . . . . . . . . 5
-Combination E.O.
& M.0.
Circuit
Breaker . . . . . . . 5
l>raw-Out
lnterlock
. . . . . .
.•
. . 5
Trip
Latch Engagement . . •• •• . 5
.Racking-Mac:hanism . . . 7
Lifting Bar . .
8
Handling Instructions . . . . . •• . 9
Inserting
Circuit
Breaker
...•.•.....•....••.•..
10
Removing
Circuit
Breaker
•.........•....•••...
10
••
1~
-Maintenance
••.•••.•••••••••.••.••••••••••.••••
11
-Lubrication
_ . . . . . . . . . . . . . . . . . . . 1 1
Maintenance Closlfll)
.•.........•.•.............•
12
Adjustments . . . .
12
ILLUSTRATIONS
Main Contact Make
..•..•....•...•...........••.
12
Arcing Contact Make
.....•...........•...•.•....
12
Contact Replacement
••.•........•.....•..•....•
13
Main Contact Fingers
•.....•.•.....•...•....••..
13
Stationary Arcing Contact . . . . . . . . . . . . .
13
Hinge
Contact
Fingers
.•.•.••••.•...•....••....•
13
Movable
Arcing
and Main Contact
....
:
•......••.
13
Tripping Actuator Replacement
••••••....•••..••.
15
Motor
Cutoff
-Switches
(for
Elac:trically
-operated 8r.eakers)
.......•............
_
.....•
15
f'IM
f'uncllw
Open
Fuse
Trip
Device
••••••.•••••••••••.•
_ 17
O:ptloul-Da,lc
11
Operation
Counter
. •• . . 19
Maintenance Closing Devlce
..•.....•.•.••..••.•.
19
Electricall!f Operated Interlock - • • 19
Undervoltage Oevlce
.••.
•••••.•.•...••••.•••.
19
La1cb
Check
Switch . . . . . . . 19
Static
Trip
n
......•.......••..•....•...•.....•..
19
Ben Alarm Switch
Option
•••••••••.•.
_ 19
Ullricalloll
Circuit
Bruker
Lubricating Instructions . .
.•
. • . . 20
,.....
....•••.••..........••....•.•....•...•...•...
22
Typical Shipping Method Used With
"LA"
Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Fused and Unfused Breakers With Static
Trip
II
Trip
Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure
1.
Figure
2.
Figure
3.
Figure
4.
Figure
5.
Figure 6 .
Figure
7.
Figure
8.
Figure
9.
Circuit Breaker Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typi~al Wiring Diagram - Electrically Operated Breakers . . . . . . . . . . . . . . . . . . . . . . . . • . . 7
Oetail
of
Typical Racking Mechanism and Drawout Interlock . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Handling Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Maintenance Closing
.•.....•..•.••...•.................................•.....••........•.•.•••.••
12
Contact Assembly
...•.•.•.•....•................................•
,
.•.•..•...•.••....•...••.••.••
14
Open Fuse
Trip
Device, Trigger Fuse Assembly
..•...............•...........•....•.•••••.••.•••..•
18
Lubrication Chart
................................................................................
20
Lubrication Points
on
Breaker
...........................••..................•.........••.••••••••
21
j
Courtesy of NationalSwitchgear.com

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Siemens RL Specifications

General IconGeneral
Rated Voltage250VAC, 30VDC
Mechanical Life10, 000, 000 operations
Operating Temperature Range-40°C to +70°C
Contact ConfigurationSPDT
Contact Rating10A
Electrical Life100, 000 operations
Mounting TypePCB

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