Cutler Hammer, Div of Eaton Corp SPD Series Part Numbering Designation

Specications

Description Ratings

Surge current capacity per phase 50, 80, 100, 120, 160, 200, 250, 300 and 400 kA ratings available
Nominal discharge current (In) 20 kA
Short-circuit current rating (SCCR) 200 kA
SPD type Basic Feature Package = Type 1 (can also be used in Type 2 applications)

Standard and Standard with Surge Counter Feature Packages = Type 2

System voltages available (Vac)

Single split-phase (three-wire plus ground) 120/240

Three-phase wye (four-wire plus ground) 120/208, 127/220, 230/400, 277/480, 347/600
Three-phase delta (three-wire plus ground) 240, 480, 600
Three-phase high leg delta (four-wire plus ground) 120/240
Input power frequency 50/60 Hz

Protection modes

Single split-phase L-N, L-G, L-L, N-G
Three-phase wye L-N, L-G, L-L, N-G
Three-phase delta L-G, L-L

Three-phase high leg delta L-N, L-G, L-L, N-G
Operating temperature –40°C through 50°C (–40°F through 122°F)
Operating humidity 5% through 95%, noncondensing
Agency certifications and approvals UL 1449 3rd Edition listed device; CSA listed; UL 1283 (Type 2 SPDs only)
Warranty 10 years (15 years when registered on www.eaton.com/spd)

SPD Series catalog number conguration for units mounted external to electrical distribution equipment

SPD 250 480D 2 K

Series

SPD = Surge

protective
device

Example: SPD250480D2K = SPD Series, 250 kA per phase, 480D voltage, standard feature package, housed in NEMA 1 enclosure

A

Please consult the factory for 240 delta high leg (4W + G) applications with high leg on ‘C’ phase.

B

NEMA 1 flushmount units are available in 50–200 kA ratings only.

kA Rating

050 = 50 kA per phase
080 = 80 kA per phase
100 = 100 kA per phase
120 = 120 kA per phase
160 = 160 kA per phase
200 = 200 kA per phase
250 = 250 kA per phase
300 = 300 kA per phase
400 = 400 kA per phase

Voltage Code

240S = 120/240 single split-phase
208Y = 120/208 wye (4W + G)
220Y = 127/220 wye (4W + G)
400Y = 230/400 wye (4W + G)
480Y = 277/480 wye (4W + G)
600Y = 347/600 wye (4W + G)
240D = 240 delta (3W + G)
480D = 480 delta (3W + G)
600D = 600 delta (3W + G)
240H = 240 delta high leg (4W + G)

on 'B' phase

1

Feature Package

1 = Basic
2 = Standard
3 = Standard with

surge counter

Application—Sidemount Units

K = NEMA 1 enclosure
L = NEMA 1 flushmount enclosure

2

M = NEMA 1 enclosure with internal disconnect
N = NEMA 4 enclosure
O = NEMA 4 enclosure with internal disconnect
P = NEMA 4X enclosure (stainless steel)
Q = NEMA 4X enclosure with internal disconnect

(stainless steel)

Eaton

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Printed in USA
Publication No. PA01005004E / Z13494
March 2013

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