Effective December 2020
2 Eaton www.eaton.com
Eaton SPD Series for mounting external
to electrical distribution equipment
Instruction Manual IM01005031E - rev. 7
1.0 Introduction
Product overview
This installation manual describes the safe installation, testing
and operation of the Eaton® SPD Series surge protective device
(SPD).
The Eaton SPD Series protects critical electrical and electronic
equipment from damage by power surges. This is done by
shunting high energy lightning surges (and other transient dis-
turbances) away from the equipment being protected. It does
this in nanoseconds by providing a low impedance surge path to
ground while supporting power frequency voltage.
The Eaton SPD Series is designed to mount on the wall (or other
vertical surface) as close as possible to the electrical cabinet.
The SPD Series is available in voltage ratings from 120-600V AC,
surge current capacity ratings from 50kA to 400kA, and
NEMA 1, NEMA 4 or NEMA 4X enclosures.
The Eaton SPD Series is available in four feature packages
(Basic, Standard, Standard with Surge Counter, and Power Xpert
SPD) as described in Section 3, "Operating features". Each
model is available in delta, wye, single phase and split phase
wiring configurations.
All Eaton SPD Series models have been tested and certified by
Underwriter’s Laboratory (UL
®
), to comply with UL Standard
1449, 4
th
Edition.
Eaton’s one-port low-voltage surge protective device delta mod-
els SPD120480D3M, SPD160480D3M and SPD200480D3M
meet the requirements of IEC 61643-11 / EN 61643-11, Part 11:
Test Class II, and are intended to be installed in applications with
a degree of protection rated IP 20.
Safety precautions
WARNING
WARNING – SHOCK HAZARD – DO NOT OPEN. AVERTISSEMENT:
RISQUE DE DECHARGE ELECTRIQUE – NE PAS OUVRIR.
WARNING NO SERVICEABLE PARTS.
ATTENTION: AUCUNE PIÈCE REMPLACABLE OU RÉPARABLE
A LICENSED/QUALIFIED ELECTRICIAN MUST COMPLETE ALL
INSTRUCTIONS IN THIS MANUAL IN ACCORDANCE WITH THE
NATIONAL ELECTRIC CODE (NEC
®
), STATE, AND LOCAL CODES, OR
OTHER APPLICABLE COUNTRY CODES. ALL APPLICABLE LOCAL
ELECTRICAL CODES SUPERSEDE THESE INSTRUCTIONS.
IMPROPER INSTALLATION COULD CAUSE DEATH, INJURY AND
EQUIPMENT DAMAGE. FOLLOW ALL WARNINGS AND CAUTIONS.
COMPLETELY READ AND UNDERSTAND THE INFORMATION IN THIS
INSTRUCTION MANUAL BEFORE ATTEMPTING TO INSTALL OR OPER-
ATE THIS EQUIPMENT.
ARC FLASH DURING INSTALLATION COULD CAUSE INJURY OR DEATH.
USE APPROPRIATE SAFETY PRECAUTIONS, PPE AND EQUIPMENT FOR
ARC FLASH PROTECTION.
INSTALLING A PROTECTION DEVICE WHICH IS UNDER RATED FOR
THE ELECTRICAL SYSTEM VOLTAGE CAN CREATE A POTENTIALLY
HAZARDOUS CONDITION.
CHECK THE FACILITY’S GROUNDING SYSTEM. ALL GROUNDING,
BONDING AND EARTHING PRACTICES MUST MEET NEC, CEC AND
LOCAL APPROVED PRACTICES. A POOR GROUND, OR A GROUNDING /
BONDING VIOLATION WILL SERIOUSLY AFFECT THE SPD’S ABILITY TO
FUNCTION AS SPECIFIED.
WARNING
FOR USE ON CIRCUITS DELIVERING UP TO 200,000 RMS AMPS.
CONVIENT Á DES CIRCUITS PRODUCISANT AU PLUS 200,000 A EFF.
ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE
PROCEEDING WITH THE TASK AND ALWAYS FOLLOW ALL SAFETY
PROCEDURES.
HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE SPD DURING
NORMAL OPERATION. FOLLOW ALL SAFE WORK PRACTICES TO AVOID
ELECTRICAL SHOCK.
1.4 Catalog numbering system
Each Eaton SPD Series unit has a name plate that identifies
the parameters used for manufacture. These parameters are
expressed in letters and numbers, to reflect the series, kA rat-
ing, voltage code, feature package, and application as shown in
Table 1.
Table 1. Catalog numbering system
SPD 250 480D 2 K
For example, a 480 volt delta (3-wire plus ground) for use in a
NEMA 1 application requires an SPD model SPD 250480D2K,
where:
SPD = SPD model,
250 = the kA rating (50 – 400 kA),
480D = the voltage and phase wiring configuration,
2 = the feature package (Basic, Standard, Standard with Surge
Counter, or Power Xpert SPD), and,
K = the application suffix (such as NEMA 1 or NEMA 4 with
internal disconnect).
The catalog number is the model number. on the product label
as shown below, which is attached to the SPD. See Figure 1.
Figure 1. Product label
kA rating
Application
Feature package
Voltage code Series
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