Installation
Introduction
Type RL Low Voltage AC Power Circuit Breakers may be
furnished for mounting in any one of three ways:
I.
In switchboards or in metal enclosed switchgear of the
Drawout type.
2.
In individual metal enclosures (Drawout type).
3.For stationary mounting in the user's own enclosure or
switchboard.
All
RL
circuit breakers are completely assembled, tested, and
calibrated at the factory in a vertical position and must be so
installed to operate properly. The user's primary connections
must be adequately braced against the effects of short circuit
currents to prevent overstressing the circuit breaker terminals.
Receiving and Inspection for Damage
IMPORTANT:
Do not accept the statement from any
driver that. The damaged equipment was not properly
packaged by shipper.
Do not sign Bill of Lading without notation of visible
damage if observed. Our equipment packaging meets the
rigid requirements established by the trucking industry.
You must obtain carrier inspection within
15
days of
receipt on damaged equipment.
Immediately upon receipt of this equipment, carefully
remove all packing braces. Examine parts and check them
against the packing list and note any damage incurred in
transit. If damage is d isclosed, the consignee must arrange
for a carrier inspection within
15
days of receipt of
equipment. If equipment is shipped F.O.B. Destination, the
consignee must obtain the original of the carrier inspection
report and notify Siemens immediately.
Two shipping methods are used with
RL
circuit breakers:
I.
Individually skidded with protective covering_
2.
Within a cubicle
Note all caution tags, remove any blocking, and open circuit
breaker contacts before installation.
Storage
Whenever possible, install circuit breakers in their assigned
switchgear compartments for storage. Follow instructions
contained i
n the instruction manual for types R and SB Low
Voltage Metal-Enclosed Switchgear,
SG-3088.
When the
circuit breaker is stored separately, place the circuit breaker
on a sturdy pallet. Secure the circuit breaker to the pallet, and
cover with polyethylene film at least
10
mils thick. Also
observe the following:
I.
Indoor Storage- Whenever possible, store
t
h
e
circuit
breaker indoors.
The
storage
environment
must be clean, dry and free of
such conditions as construction dust, corrosive
atmosphere, mechanical abuse and rapid
temperature variations.
2.
Outdoor Storage - OUTDOORS STORAGE IS
NOT RECOMMENDED.
When no other option is
available, the circuit breaker must be completely
covered and protected from rain, snow, dirt and all
other contaminants.
3
3.
Space Heating-
Space heating must be used for
both
indoor and outdoor
storage to prevent condensation
and corrosion. Space heaters of approximately
I
00
watts per breaker are recommended. If the circuit
breakers are stored inside their assigned switchgear
compartments, and the switchgear is equipped with
space heaters, the switchgear space heaters should be
energized
General
The
RL
Low Voltage AC Power Circuit Breaker is
completely adjusted, tested and inspected before shipment.
However, a careful check should be made to be certain that
shipm�nt or storage has not resulted in damage or change of
adjustment. Circuit breakers and their enclosures should be
installed in a clean, dry, well-ventilated area in which the
atmosphere is free from destructive acid or alkali fumes. For
stationary breakers and custom enclosures, the factory should
be consulted for minimum clearances and required ventilation
openings.
Before installing, make certain that the circuit breaker
contacts are in the open position and that the closing springs
are d ischarged. Be sure to lubricate primary and secondary
disconnect fingers with Siemens electrical contact lubricant,
part no.
15-171-370-002,
or Mobilgrcase
28,
part no.
15-172-
791-214.
:. ·.ADANGER -
Hazardous voltages and
high-speed
moving
parts.
Will cause death, serious personal injury or
property damage.
To
a
v
oid
electrical shock. burns and entanglement
on
mo
vi
n
g parts. this equopment must be installed.
operated and maintained only by qualified persons
thoroughly familiar with the equipment. instruction
manuals and drawings. Read and understand
this
instruction manual before using the equipment.
.A
WARNING
Heavy weight.
Can cause death, serious personal injury or
property damage.
Use of
a lifting
devtce or
c
r
an
e
will
place
heavy
w
ei
g
ht
s
overhead. Avoid excesstve speeds and
sudden starts or stops.
Never atternpt to insert or
remove la
r
ge frame
cir
cuit breakers or
fuse carriages unless the exten
sion
rails
are correctly
installed.
Never hft a
circuit
breaker
or fuse
carriage over an
area
where
personnel
are
located.
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. ElectricalPartManuals
. com
Summary of Contents for RL Series
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