UL
iQ
for Surge Protective Devices
Surge Protective Devices
E326289
Guide Information
Citel America Inc
10108 USA Today Way, Miramar FL 33025
Model(s): DS74US-277Y/G
Open-Type SPD
SPD
Type
Volts
(V)
AC/DC
DC PV
Phase
Amps
(A)
Ambient
Min(°C)
Ambient
Max(°C)
Mode
VPR
(Vpk)
MCOV
(V)
In
(kA)
SCCR
(kA)
1
480/277
AC
3Y
n/a
-40
85
L-L
2500
840
20
200
L-N
1500
420
L-G
1500
420
N-G
1200
320
Evaluated to: UL 1449 5th Ed. Rev: 2022-12-15 and CSA C22.2 No. 269.1-17, 2017-02
SPDs investigated for Type 1 applications are automatically suitable for Type 2 applications and may be marked for SPD Type 1 and/or Type 2 applications. SPDs only marked "SPD Type 2" are not suitable for Type 1 applications.
Where a minimum ambient temperature is not specified, assume 0°C unless the product is marked otherwise or with an Outdoor use Environmental Rating. See Electrical Equipment for Use in Ordinary Locations (AALZ) for details regarding Environmental Ratings.
Report Date:
2016-06-19
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Last Revised:
2023-10-06