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Effective April 2010
2
Eaton Corporation
www.eaton.com
Eaton SPD Series
Surge Protective Device for Integrated Units
Instruction Manual
IM01005019E - Rev. 3
1.5 Equipment Testing
WARNING
coNductING dIelectRIc, meGGeR, oR hI-poteNtIAl testING
WIth the spd INstAlled WIll cAuse INteRNAl dAmAGe to the
spd. the spd WIll Also cAuse the test to FAIl.
Every Eaton SPD Series unit is tested at the factory for dielec-
tric breakdown. No further SPD testing is required for installa-
tion.
If you desire to test distribution equipment by performing
dielectric, megger, or hi-potential tests, any installed SPD
must
be disconnected from the power distribution system to prevent
damage to the unit.
Follow this procedure to safely disconnect the SPD:
1. Remove bus connected SPDs completely from the instal-
lation prior to performing any form of hi-potential testing.
2. Isolate SPDs connected via conductors as follows:
a. 3-wire delta SPDs: Turn off the circuit breaker to
isolate the SPD, if connected through a circuit
breaker.
b. Wye connected SPDs: Turn off the circuit breaker
and
remove the Neutral connection.
3. Remove MCC units with SPDs from the MCC structure.
2.0 Installation
WARNING
INstAllING AN spd thAt Is ImpRopeRly RAted FoR the electRI-
cAl system voltAGe could cReAte A poteNtIAlly hAzARdous
coNdItIoN, ResultING IN INjuRy oR equIpmeNt dAmAGe.
2.1 Preparation for Installation
cAutIoN
eAtoN spd seRIes pRoducts must be INstAlled oR ReplAced
by A quAlIFIed electRIcIAN to AvoId INjuRy oR equIpmeNt
dAmAGe.
Before installing an Eaton SPD Series unit, do the following:
•
Verify that the area is clear of any dirt, debris or clutter that
may hamper the installation process.
•
Verify that there is enough space in the cabinet or MCC to
install the SPD. See Section 2.3, "Installation Procedures" for
dimensions.
•
Confirm that all tools and equipment needed for the installa-
tion are available.
•
Confirm that the system voltage and wiring configuration is
the same as the SPD you are installing. Check the voltage
rating label on the front left side of the SPD. See Figure 1.
WARNING
tuRN oFF the poWeR supply beFoRe WoRkING IN ANy electRI-
cAl cAbINet oR oN ANy cIRcuIt bReAkeR pANel. FAIluRe to do
so could Result IN INjuRy oR deAth FRom electRIcAl shock.
notice
A pooR GRouNd, oR GRouNdING/boNdING vIolAtIoNs, could
pReveNt the spd FRom peRFoRmING As specIFIed.
do Not use the spd to cARRy oR pAss thRouGh GRouNd to
otheR devIces oR leAds. dAmAGe to the equIpmeNt mAy
Result.
•
Check the facility grounding system. All grounding, bonding,
and earthing must meet the NEC and any other national, state
and local electrical codes.
2.2 Installation Locations
Eaton's SPD Series can be installed directly to the bus for
Panelboard applications.
The SPD can also be connected through a circuit breaker for
installations in Panelboards, Switchboards, Switchgear, MCC’s
and Busway applications.
Follow these guidelines to determine the best location for
mounting this product.
2.2.1 Direct Bus Mount Applications
•
Install the SPD on the load side of the main breaker. Connect
the SPD directly to the bus located as close as possible to
the main breaker.
2.2.2 Connected Through a Circuit Breaker Applications
•
Install the SPD next to the first breaker after the incoming
main lugs or main breaker.
2.3 Installation Procedures
2.3.1 Direct Bus Mount Applications
1. Verify that the SPD you are about to install is rated
for the application voltage and system. See Table 5 in
Section 6, "Ordering Guidelines".
2. Follow all national, state and local electrical codes when con-
necting the SPD.
3. Before mounting the SPD, first determine the bus bar con-
figuration. If the panelboard uses an offset B-Phase bus bar
configuration, no action is required. If the panelboard uses a
coplanar bus bar configuration, remove the bus bar
extension bushing from the back of the SPD and discard.
See Figure 2.
4. Mount the SPD to the support brackets (customer supplied)
using #10 fasteners and tighten to 4.1 Nm (36 in-lbs). See
Figures 4 and 5 for mounting details.
5. Install the bus mount fasteners and tighten to 4.1 Nm (36
in-lbs). See Figure 3.
Figure 2. Bus Bar Extension Bushing
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