Surge Protection
For Business-Critical Continuity™
PowerSure® LPM/IM Medium Exposure Surge Protective Device
Installation, Operation and Maintenance Manual
Headquarters
Surge Protection
100 Emerson Parkway
Binghamton, NY 13905
T: 607-721-8840
T: 800-288-6169
F: 607-722-8713
E: contactsurge@emerson.com
Emerson Network Power.
The global leader in enabling Business-Critical Continuity™.
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Surge Protection
Emerson Network Power, the Emerson Network Power logo and Business-Critical Continuity are trademarks and service marks of Emerson Electric Co.
©2009 Emerson Electric Co.
IO-30103 Rev. 5, 12/09 P/N-82379
and inspection of the product claimed to be defective, shall be invoiced in the full current price
amount and shipped freight collect F.O.B. Emerson Network Power Surge Protection, Inc. facility.
Warranty coverage will be extended only after Emerson Network Power Surge Protection, Inc.’
receipt of the claimed defective product within thirty (30) days of shipment of any replacement
parts, components or products, if applicable, Emerson Network Power Surge Protection, Inc.’
inspection discloses the claimed defect and the returned product shows no signs of treatment
or use which would void the coverage of this Warranty.
Items Not Covered By Warranty:
THIS WARRANTY DOES NOT COVER DAMAGE OR DEFECT CAUSED BY misuse, improper
application, wrong or inadequate electrical current or connection, inadequate water or drain
services, negligence, inappropriate on site operating conditions, corrosive atmosphere, repair
by non-Emerson Network Power Surge Protection, Inc. designated personnel, accident in
transit, tampering, alterations, a change in location or operating use, exposure to the elements,
Acts of God, theft or installation contrary to Emerson Network Power Surge Protection, Inc.
recommendations or specifications, or in any event if the Emerson Network Power Surge
Protection, Inc. serial number has been altered, defaced or removed.
THIS WARRANTY DOES NOT COVER shipping costs, installation costs, circuit breaker resetting
or maintenance or service items and further, except as provided herein, does NOT include labor
costs or transportation charges arising from the replacement of the Emerson Network Power
Surge Protection, Inc. product or any part thereof or charges to remove same from any premises
of the User.
THIS WARRANTY DOES NOT COVER DAMAGE OR DEFECT CAUSED BY use of the Emerson
Network Power Surge Protection, Inc. product in combination with any electrical or electronic
components, circuits, systems, assemblies, or other materials not furnished by Emerson Network
Power Surge Protection, Inc. Emerson Network Power Surge Protection, Inc. does NOT warrant
the suitability for use or the results of the Emerson Network Power Surge Protection, Inc. product
in combination with the products of others.
REPAIR OR REPLACEMENT OF A DEFECTIVE PRODUCT OR PART THEREOF DOES NOT EXTEND
THE ORIGINAL WARRANTY PERIOD.
Limitations:
•T
HIS WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
•U
SER’S SOLE AND EXCLUSIVE REMEDY IS REPAIR OR REPLACEMENT OF THE Emerson Network
Power Surge Protection, Inc. PRODUCT AS SET FORTH HEREIN.
• I F USER’S REMEDY IS DEEMED TO FAIL OF ITS ESSENTIAL PURPOSE BY A COURT OF COMPETENT
JURISDICTION, EMERSON NETWORK POWER SURGE PROTECTION, INC. RESPONSIBILITY FOR
PROPERTY LOSS OR DAMAGE SHALL NOT EXCEED ONE TIMES THE NET PRODUCT PURCHASE
PRICE.
• I N NO EVENT SHALL EMERSON NETWORK POWER SURGE PROTECTION, INC. ASSUME ANY
LIABILITY FOR INDIRECT, SPECIAL, INCIDENTAL, OR ECONOMIC CONSEQUENTIAL DAMAGES
OF ANY KIND WHATSOEVER, INCLUDING WITHOUT LIMITATION, LOST PROFITS, BUSINESS
INTERRUPTION OR LOSS OF DATA, WHETHER ANY CLAIM IS BASED UPON THEORIES OF
CONTRACT, NEGLIGENCE, STRICT LIABILITY, TORT OR OTHERWISE.
Miscellaneous:
•N
O SALESPERSON, EMPLOYEE OR AGENT OF EMERSON NETWORK POWER SURGE
PROTECTION, INC. IS AUTHORIZED TO ADD TO OR VARY THE TERMS OF THIS WARRANTY.
Warranty terms may be modified, if at all, only in a writing signed by a Emerson Network
Power Surge Protection, Inc. officer.
•T
his Warranty is effective as of the date of Emerson Network Power Surge Protection, Inc.
receipt of payment and supersedes all previous warranties. Emerson Network Power Surge
Protection, Inc. reserves the right to supplement or change the terms of this Warranty in any
subsequent warranty offering to User or others.
• I n the event that any provision of this Warranty should be or becomes invalid and/or
unenforceable during the warranty period, the remaining terms and provisions shall continue
in full force and effect.
•T
his Warranty is given in and is intended to be construed under the laws of the State of
New York.
•T
his Warranty represents the entire agreement between Emerson Network Power Surge
Protection, Inc. and User with respect to the subject matter herein and supersedes all prior
or contemporaneous oral or written communications, representations, understandings or
agreements relating to this subject.
LIMITED WARRANTY
This Warranty is given ONLY to purchasers who buy for commercial or industrial use in the
ordinary course of each purchaser’s business.
General:
Emerson Network Power Surge Protection, Inc. products are in our opinion the finest available.
We take pride in our products and are pleased that you have chosen them. Under certain
circumstances we offer with our products the following Five Year Warranty Against Defects in
Material and Workmanship. Please read your Warranty carefully. This Warranty sets forth our
responsibilities in the unlikely event of defect and tells you how to obtain performance under
this Warranty.
FIVE YEAR LIMITED WARRANTY AGAINST DEFECTS IN MATERIAL AND WORKMANSHIP
EMERSON NETWORK POWER SURGE PROTECTION, INC. PRODUCTS COVERED:
PowerSure® LPM/IM Series
Terms of Warranty:
As provided herein, the Emerson Network Power Surge Protection, Inc. product is warranted
to be free of defects in material and workmanship for a period of five (5) years from the date
of delivery of the product to User. The delivery date will be determined only from the Emerson
Network Power Surge Protection, Inc. bill of lading. If any of the Emerson Network Power Surge
Protection, Inc. product fails to conform to the warranty within the warranty period, Emerson
Network Power Surge Protection, Inc., at its option, will furnish new or factory remanufactured
parts for repair or replacement of that part.
Warranty Extends to First Purchaser for Use, Non-transferable:
This Warranty is extended to the first person, firm, association or corporation for whom the
Emerson Network Power Surge Protection, Inc. product specified herein is originally installed for
use in the United States (the “User”). This Warranty is not transferable or assignable without the
prior written permission of Emerson Network Power Surge Protection, Inc..
Assignment of Warranties:
Emerson Network Power Surge Protection, Inc. assigns to User any warranties which are made by
manufacturers and suppliers of components of the Emerson Network Power Surge Protection,
Inc. product and which are assignable, but Emerson Network Power Surge Protection, Inc.
makes NO REPRESENTATIONS as to the effectiveness or extent of such warranties, assumes NO
RESPONSIBILITY for any matters which may be warranted by such manufacturers or suppliers
and extends no coverage under this warranty to such components.
Descriptions:
Emerson Network Power Surge Protection, Inc. warrants for the period and on the terms of
the Warranty set forth herein that the Emerson Network Power Surge Protection, Inc. product
will conform to the descriptions contained in Emerson Network Power Surge Protection, Inc.
final invoices, orders and Emerson Network Power Surge Protection, Inc.’ product brochures.
Emerson Network Power Surge Protection, Inc. does not control the installation and use of any
Emerson Network Power Surge Protection, Inc. product. Accordingly, it is understood that the
Descriptions are NOT WARRANTIES OF PERFORMANCE and NOT WARRANTIES OF FITNESS FOR
A PARTICULAR PURPOSE.
Obtaining Performance Under This Warranty:
Within a reasonable time, but in no case to exceed thirty (30) days, after User’s discovery of a
defect, User shall contact Emerson Network Power Surge Protection, Inc. and request a return
authorization number. User shall ship the product, with proof of purchase, to Emerson Network
Power Surge Protection, Inc. freight prepaid. Emerson Network Power Surge Protection,
Inc. products shipped to Emerson Network Power Surge Protection, Inc. without a return
authorization number will be refused and returned freight collect to User at User’s expense.
Emerson Network Power Surge Protection, Inc. products shipped by User to Emerson Network
Power Surge Protection, Inc. which have incurred freight damage due to User’s improper
packaging of the product will not be covered by this Warranty and any repairs or replacement
parts, components or products needed will be invoiced in the full current price amount and
returned freight collect to User.
Subject to the limitations specified herein, Emerson Network Power Surge Protection, Inc. will
repair or replace, at its option, without charge for Emerson Network Power Surge Protection,
Inc. labor or materials, subsequent to its inspection and F.O.B. Emerson Network Power Surge
Protection, Inc. facility, the Emerson Network Power Surge Protection, Inc. product shipped
to Emerson Network Power Surge Protection, Inc. with a return authorization number and
warranted hereunder which does not conform to the Warranty. Replacement parts, components
or products shipped to User prior to Emerson Network Power Surge Protection, Inc. receipt
The PowerSure® LPM/IM Medium Exposure Surge Protective Device is a high quality, high energy
surge current diversion system designed to protect sensitive equipment from damaging transient
voltage surges resulting from load switching, lightning strikes and other sources.
The installer should perform the following steps to assure a quality installation. Please read all
instructions before starting the installation of this product. These instructions do not replace
national or local electrical codes - check applicable codes to ensure compliance.
INSTALLATION
ONLY QUALIFIED PERSONNEL SHOULD INSTALL OR SERVICE THIS SYSTEM.
ELECTRICAL SAFETY PRE-CAUTIONS MUST BE FOLLOWED WHEN INSTALLING OR SERVICING
THIS EQUIPMENT. TO PREVENT RISK OF ELECTRICAL SHOCK, TURN OFF AND LOCK OUT ALL
POWER SOURCES TO THE UNIT BEFORE MAKING ELECTRICAL CONNECTIONS OR SERVICING.
Environment – The unit is designed for operation indoors in ambient temperatures of -40ºC
(-40ºF) to +60ºC (+140ºF) with a relative humidity of 0% to 95% (non-condensing). The unit is
provided in a metallic industrial enclosure, which should not be installed in areas with excessive
dust, corrosive vapors, flammable materials or explosive atmospheres.
Mounting – Mount unit as close as possible to the service panel, using #10 Hardware. For best
performance, unit should be positioned so that the length of the wiring to the surge protective
device (SPD) unit is minimized.
Wire Sizing/Routing – #10 AWG wiring is provided with unit. To reduce the wiring impedance
to surge currents, the phase, neutral (if required), and ground conductors are recommended
to be twisted together and routed in the same raceway (conduit). Avoid any sharp bends in the
conductors. All wiring must comply with the National Electrical Code (NEC) and applicable local
codes.
Conduit Connection – Remove the fitting from the flexible conduit provided and cut the conduit
so that it will fit between the SPD and the knockout selected on the service panel. Feed all wires
through the conduit into the panel and tighten all fittings.
Wiring Connections – Before making connections to the unit, verify that the unit model number
and nameplate voltage rating are appropriate for connection to the intended power source. See
table for voltage rating applications with typical power source configurations.
1.Connect Black Phase Wires to corresponding phase on the service panel. (For Delta Hi-leg
Units, assure hi-leg connected to Phase B of the SPD).
2.Connect the white wire of the SPD (if provided) to the neutral of the supply and the green
wire of the SPD to source ground.
3.If not using relay contacts for remote sensing, cut and dress the orange, blue, and yellow
wires in the conduit. If using remote sensing, wires are connected to COM, NC, and NO
respectively) (125VAC, 5A max.).
DANGER - For proper and safe operation, neutral and ground MUST be reliably connected.
Failure to operate this unit from a solidly grounded power source of the proper configuration
will reduce or impede operation, and may result in unit failure.
Remote Monitor Panel (optional) – A remote monitor panel is available to provide unit status
and alarm information at a location up to 500 feet away from the SPD.
•Connection – units are furnished with a six-foot power cord with a NEMA 5-15 plug for
connection to a 120 VAC source. A detailed connection from the Remote Monitor Panel to
the SPD is as follows:
1.The patch cord, not included with the RMP, must have an RCA type plug on one end and
two conductors on the other end.
2. Connect the patch cord to the RSU output on the RMP.
3.Connect the two conductors to relay wires COM (orange), and NC (blue) (note: yellow =
NO) on the SPD.
• Operation - LED and alarm operation is identical to status indication on the IM. The audible
alarm may be disabled to silence the alarm by moving the provided switch to the “Disable”
position (“Enable” position – normal operation). The “Test” position of the switch tests the
audible alarm and indicator lights.
PowerSure LPM/IM Medium Exposure Series – LPM 100-2
Phase L1/A
Phase L2/B
Phase L3/C
Service Panel
for Loads to
be Protected
Disconnect/Main
Breaker for
Panel
Neutral Buss
0.375
Dedicated
Disconnect
(Optional)
6.750
Ground Buss
Phase A Phase B Phase C
TROUBLESHOOTING
.31 (4X)
2.000
3.000
4.000
PRODUCT RATINGS AND LIMITATIONS
Voltage Protection Rating – To obtain the voltage protection ratings (VPRs), as obtained
by Underwriters Laboratories, Incorporated, in accordance with the Standard for Safety, Surge
Protective Devices (SPDs), Standard 1449, Third Edition, released 2009, marked on this product, the
#12 AWG wire supplied must be utilized to connect the PowerSure LPM to your facilities’ power
grid. Connections made with conductors other than #12 AWG may result in different VPRs.
Circuit Ampacity Limitations – This device has been investigated by Underwriters Laboratories,
Incorporated to withstand, without exposing live circuits or components on power sources,
a voltage of two times (2x) the device ratings, and fault currents of up to 65,000 AIC, as
described in the Standard for Safety, Surge Protective Devices (SPDs), Standard 1449, Third Edition,
released 2009.
6.000
Service
0.500
Applying Power – Apply power to the SPD and assure status indications are normal. Under normal
conditions, the green “OK” LED’s are illuminated, and the red “Service” LED is extinguished. If
normal status indication does not exist, see “TROUBLESHOOTING”.
Unit is equipped with summary
Alarm Contacts. The #18 wires
are designated as follows:
YELLOW = Normally Open
ORANGE = COMMON
BLUE = Normally Closed
Phase A Phase B Phase C
Service
If any of the diagnostic indicators indicates a problem (i.e. red LED ON, and/or green LED OUT), check all
connections and voltages to the unit. If all connections are made and reliable, and proper voltages are
supplied to the unit, call Emerson Network Power Surge Protection, Inc. at 607-721-8840.
VOLTAGE RATINGS & POWER SOURCE CONFIGURATIONS
Nominal Voltage
(50/60Hz)
Model
Unit is supplied from the factory with a minimum length of 18” of #12 wire for connection. It
is recommended that a 30A circuit breaker be used for installation.
PowerSure LPM/IM Medium Exposure Series – LPM 160
0.500
4.000
0.375
8.750
3.500
8.000
Ground Buss
Neutral Buss
.31 (4X)
Dedicated
Disconnect
(Optional)
Disconnect/Main
Breaker for Panel
Phase L3/C
Phase L2/B
Phase L1/A
Service Panel
for Loads to
be Protected
Unit is equipped with summary Alarm Contacts. The #18 wires are designated as follows:
YELLOW = Normally Open
ORANGE = COMMON
BLUE = Normally Closed
Unit is supplied from the factory with a minimum length of 18” of #10 wire for connection. It
is recommended that a 30A circuit breaker be used for installation.
LPM120N
IM120N
120V
LPM230N
IM230N
230V
LPM277N
IM277N
277V
LPM208L
IM208L
208V
LPM240L
IM240L
240V
LPM480L
IM480L
480V
LPM120S
IM120S
120/208-240V
LPM230S
IM230S
230/400-460V
LPM277S
IM277S
277/480-554V
LPM120Y
IM120Y
120/208V
LPM230Y
IM230Y
230/400V
LPM277Y
IM277Y
277/480V
LPM120X
IM120X
120/208V
LPM230X
IM230X
230/400V
LPM277X
IM277X
277/480V
LPM208D
IM208D
208V
LPM240D
IM240D
240V
LPM480D
IM480D
480V
LPM240H
IM240H
120/240V
System
Configuration
Single Phase, 2W+G
Single Phase, 2W+G
Single Phase, 3W+G
Three Phase Wye,
4W+G
Three Phase Wye,
3W+G
Three Phase Delta,
3W+G
Three Phase Delta
Hi-Leg, 4W+G
Source Configuration