Surge Protection
For Business-Critical Continuity™
PowerSure™ CM Series 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™.
AC Power
Connectivity
DC Power
Embedded Computing
Embedded Power
Infrastructure Management
& Monitoring
Emerson Network Power.com/surge
Outside Plant
Power Switching & Controls
Precision Cooling
Racks and Integrated Cabinets
Services
Surge Protection
Emerson Network Power, the Emerson Network Power logo and Business-Critical Continuity are trademarks and service marks of Emerson Electric Co.
©2012 Emerson Electric Co.
IO-80101 Rev. 3 2/12
The PowerSure™ CM Series 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 indoor or outdoor use in ambient temperatures of -40ºC
(-40ºF) to +85ºC (+185ºF) with a relative humidity of 0% to 95% (non-condensing). The unit is
provided in an 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, in close proximity to the breaker
that will feed the SPD. Remove plastic cover on unit to gain access to the four mounting holes in
case. Use #6 screws (not provided) to mount the SPD to wall, replace cover on unit and torque
cover screws to 10 IN-LBS, (see drawing 1). 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 — #12 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, avoid any sharp bends in the conductors. All wiring must comply with
the National Electrical Code (NEC) and applicable local codes.
Conduit Connection — The SPD wires should feed through the plastic conduit piece supplied,
The conduit should be cut to match the distance from the unit to electrical panel. Use the
supplied conduit hub to connect to the electrical panel.
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.
1. It is recommended that a 20A circuit breaker be used for installation and connection to the
service panel.
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.Connect Black Phase Wires to corresponding phase on the service panel.
4.If not using the optional relay contacts for remote sensing, cut and dress orange, blue, and
yellow wires in the conduit. If using remote sensing, these wires are connected to COM, NC,
and NO respectively). (Relay’s maximum switching capacity is 250VAC, 10A.)
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.
Applying Power — Apply power to the SPD and assure status indications are normal. Under
normal conditions, the green “OK” LED is illuminated and the red “REPLACE” LED is OUT.
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 CM Series 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,
Inc. to withstand, without exposing live circuits or components on power sources, a voltage
of two times (2x) the device ratings, and fault currents up to 200,000 AIC, as described
in the Standard for Safety, Surge Protective Devices (SPDs), Standard 1449, Third Edition,
released 2009.
TROUBLESHOOTING
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.
INSTALLATION (continued)
Drawing 1
2.76
[70.0]
1/2 NPT flexible conduit
and connector assembly
included, 12” long.
ø0.17
[ø4.2] (4X)
1.97
[50.0]
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.
3.24
[82.2]
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.
5.00
[126.9]
A
REPAIR OR REPLACEMENT OF A DEFECTIVE PRODUCT OR PART THEREOF DOES NOT EXTEND
THE ORIGINAL WARRANTY PERIOD.
Limitations:
• THIS WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Optional DIN Rail
Mounting Assembly
3.39
[86.0]
2.09
[53.1]
•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:
• NO 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.
Allows PowerSure CM
Series to be installed on
standard 35mm industrial
Din Rail.
Part Number: CM-DIN
(Sold separately)
A
3.17
[80.4]
Remove cover, use
appropriate #6 screws
(4x) for mounting,
(Not provided).
Replace cover, torque
screws to 10 in/lbs.
A-A
SECTION
1. Enclosure is polycarbonate, opaque base with transparent cover.
2. Wires are 24 +/- 1 inches out of case. Phase/neutral/ground wires are 12AWG, 600V,
stranded. Status wires are 18AWG, 600V, stranded.
3. Recommended breaker size is 20A.
LIMITED WARRANTY
GENERAL TECHNICAL SPECIFICATIONS
CM050120YBK
CM050230YBK CM050240DEK
Part Number CM050120NBK CM050120SBK
CM050240SBK CM050277YBK CM050480DEK
CM050346YBK
120VAC
120/240VAC
240/480VAC
120/208VAC
230/400VAC
277/480VAC
346/600VAC
240VAC
480VAC
Phase
Single
Split
Three/Wye
Three/Delta
Wiring
2 Wire+G
3 Wire+G
4 Wire+G
3 Wire+G
Modes of
Protection
L-N; N-G
L-N; N-G
L-N; N-G
L-L
Operating
Voltage
Operating Voltage Range
Nominal Voltage +/- 15%
47-63Hz
Fault Current Rating (SCCR)
200kAIC
ANSI/IEEE C62.41 Category
A, B, & C
#10 Wire leads, 24” long
Capacity
Continuous (Parallel Connection)
Enclosure Size (Inches)
3.12 L x 3.12 W x 3.50 H
Enclosure Rating
UL Type 4X
Weight
2.0 lbs.
Conduit Hub
Weather Tight
Indication of Suppression Status
Green and Red Status LED
Form C Relay Contacts
Response Time
<.5ns
Operation Temperature
-40°C to +85°C
Operation Humidity
Certifications
0% to 95% Non-Condensing
ANSI/UL 1449 Third Edition; cUL (Type 2 ONLY); ROHS Compliant
UL Location Type
Type 1
Nominal DischargeCurrent (In)
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
Operating Frequency
Connection Type
This Warranty is given ONLY to purchasers who buy for commercial or industrial use in the
ordinary course of each purchaser’s business.
20kA
Maximum Surge Current Capacity (8 x 20µs)
Line to Neutral/Neutral to Ground
50,000Amps
Line to Line
50,000Amps
TROUBLESHOOTING
If any of the diagnostic indicators indicates a problem (i.e. green LED OUT, red LED ON),
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 at
607-721-8840.
EMERSON NETWORK POWER SURGE PROTECTION, INC. PRODUCTS COVERED:
PowerSure™ CM 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