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NGRUS321 Datasheet(PDF) 4 Page - Littelfuse

Part # NGRUS321
Description  Neutral Grounding Resistor System , NGR SERIES – US
PDF  9 Pages
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Manufacturer  LITTELFUSE [Littelfuse]
Direct Link  http://www.littelfuse.com
Logo LITTELFUSE - Littelfuse

NGRUS321 Datasheet(HTML) 4 Page - Littelfuse

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Littelfuse.com
© 2020 Littelfuse, Inc.
Rev: 1-B-031920
4 of 9
Protection Relays & Controls
NGR SERIES – US
PART
NUMBER
LINE-LINE
VOLTAGE (V)
LET-THROUGH
CURRENT (A)
IMPEDANCE
(OHMS)
TIME
RATING
CURRENT
TRANSFOMER
CT PRIMARY
RATING (A)
CT SECONDARY
RATING (A)
SENSING
RESISTOR
ENCLOSURE
NGRUS328
4160
10
240.5
Continuous
SE-CS10-2.5
10*
0.05
ER-5KV
NEMA 3R
NGRUS329
4160
10
240.5
Continuous
SE-CS10-2.5
10*
0.05
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS358
4160
10
240.5
10s
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS359
4160
10
240.5
10s
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS360
4160
10
240.5
Continuous
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS361
4160
10
240.5
Continuous
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS330
4160
15
160.3
10 s
SE-CS10-2.5
10*
0.05
ER-5KV
NEMA 3R
NGRUS331
4160
15
160.3
10 s
SE-CS10-2.5
10*
0.05
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS332
4160
15
160.3
Continuous
SE-CS10-2.5
10*
0.05
ER-5KV
NEMA 3R
NGRUS333
4160
15
160.3
Continuous
SE-CS10-2.5
10*
0.05
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS362
4160
15
160.3
10s
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS363
4160
15
160.3
10s
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS364
4160
15
160.3
Continuous
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS365
4160
15
160.3
Continuous
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS244
4160
25
96.2
10s
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS334
4160
25
96.2
10 s
5SHT-101-E
20**
1
ER-5KV
NEMA 3R
NGRUS335
4160
25
96.2
10 s
5SHT-101-E
20**
1
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS336
4160
25
96.2
Continuous
5SHT-101-E
20**
1
ER-5KV
NEMA 3R
NGRUS337
4160
25
96.2
Continuous
5SHT-101-E
20**
1
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS366
4160
25
96.2
10s
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS367
4160
25
96.2
Continuous
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS368
4160
25
96.2
Continuous
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
* Connect to SE-330 terminals 8 and 11
** Connect to SE-330 terminals 9 and 11
*** Connect to SE-325 terminals CT1 and CT2
Ordering Information



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