Emerson 430, 440 Installation Manual

400 Series

430 & 440 Surge Protective Devices

Installation, Operation and Maintenance Manual



Installation, Operation and Maintenance Manual IO-70104 Rev 1, 1/2014

EMERSON NETWORK POWER SURGE PROTECTIVE DEVICE

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

TABLE OF CONTENTS

INSTALLATION

Environment .................................................................................................................... 2

Mounting ............................................................................................................................ 2

Wire Sizing/Routing ......................................................................................................... 2

Conduit Connection ........................................................................................................ 2

Wiring Connections .......................................................................................................................... 2

Applying Power ................................................................................................................................. 3

PRODUCT RATINGS AND LIMITATIONS

Voltage Protection Ratings .............................................................................................. 3

Circuit Ampacity Limitations ............................................................................................ 3

TROUBLESHOOTING/SERVICING/MAINTENANCE

Troubleshooting .............................................................................................................. 3

MODEL NUMBER CONFIGURATION

Model Number Configuration .......................................................................................... 3

Configuration & Voltage (Chart) ...................................................................................... 4

SPD WIRING and MOUNTING

Circuit Breaker and Wire Size .......................................................................................... 5

Parallel Wiring Diagram ................................................................................................... 5

Screw Mounting .............................................................................................................. 5

DIN Rail Mounting Kit ...................................................................................................... 5

Dimensional Information ................................................................................................. 5

Units that include the ADVANCED TRANSIENT DETECTION SYSTEM monitoring option

See

MODEL NUMBER CONFIGURATION

on page 3 to verify the SPDs monitoring option.

Advanced Transient Detection System

Refer to manual IO-70109
for additional installation and
operation instructions. 

Installation, Operation and Maintenance Manual IO-70106 Rev 3, 1/2015

1

The Emerson Network Power 430 & 440 Surge Protective Devices are 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

DANGER! 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.

DANGER! SEULEMENT LE PERSONNEL QUALIFIÉ DOIT INSTALLER OU MAINTENIR CE
SYSTÈME. DES PRÉCAUTIONS DE SÉCURITÉ EN ÉLECTRICITÉ DOIVENT ÊTRE SUIVIS LORS
DE L'INSTALLATION OU DE LA MAINTENANCE DE CET EQUIPEMENT. POUR EVITER TOUT
RISQUE DE CHOC ÉLECTRIQUE, DÉBRANCHEZ ET VEROUILLER TOUTES LES SOURCES D’
ALIMENTATION DE CET EQUIPEMENT AVANT DE LE BRANCHER OU LE MAINTENIR.

Environment — The unit is designed for operation indoors 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. For best performance, unit should be positioned so that the
length of the wiring to the surge protective device (SPD) unit is minimized. Dimensional
information is shown on page 5-6.

NEMA 4X (Non-Metallic) enclosure - Remove cover on unit to gain access to the

mounting holes in case. Use #6 x 3/4” self-threading screws (provided), to mount the SPD
to wall or back plane. Replace cover on unit and torque cover screws to 10 IN-LBS, (see
drawing).
NEMA 12/4, (Metallic) enclosure – Mounting flanges accept 1/4 hardware.

Wire Sizing/Routing —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 — 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 (See table).

1. It is recommended that a 20A circuit breaker be used for installation and connection to the

service panel.

2. Connect a white wire from the supply neutral to the neutral terminal/lug inside the SPD,

and connect a green wire from the source ground to the SPD ground terminal/lug.

3. Connect a black phase wire from each line on the service panel/circuit breaker to each

corresponding phase terminal/lug in the SPD.

4. If using remote sensing (Form C dry contact), connect wires to COM (orange), NC (blue),

and NO (yellow) respectively. Relay’s maximum switching capacity is 250VAC, 5A.

Installation, Operation and Maintenance Manual IO-70106 Rev 3, 1/2015

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(continued)