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NGRUS331 Datasheet(PDF) 3 Page - Littelfuse

Part # NGRUS331
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

NGRUS331 Datasheet(HTML) 3 Page - Littelfuse

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Littelfuse.com
© 2020 Littelfuse, Inc.
Rev: 1-B-031920
3 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
NGRUS138
480
2
138
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R
NGRUS278
480
2
138
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS314
480
2
138
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R
NGRUS315
480
2
138
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS003
480
5
55.4
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R
NGRUS194
480
5
55.4
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS316
480
5
55.4
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R
NGRUS317
480
5
55.4
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS318
600
2
173.5
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R
NGRUS319
600
2
173.5
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS354
600
2
173.5
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R
NGRUS355
600
2
173.5
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS169
600
5
69.4
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R
NGRUS170
600
5
69.4
Continuous
CT200
200***
5.0
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS320
600
5
69.4
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R
NGRUS321
600
5
69.4
Continuous
ELCT5-31
5*
0.05
ER-600VC
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS114
4160
5
480.9
Continuous
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS115
4160
5
480.9
Continuous
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS322
4160
5
480.9
10 s
ELCT5-31
5*
0.05
ER-5KV
NEMA 3R
NGRUS323
4160
5
480.9
10 s
ELCT5-31
5*
0.05
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS324
4160
5
480.9
Continuous
ELCT5-31
5*
0.05
ER-5KV
NEMA 3R
NGRUS325
4160
5
480.9
Continuous
ELCT5-31
5*
0.05
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS356
4160
5
480.9
10s
CT200
200***
5.0
ER-5KV
NEMA 3R
NGRUS357
4160
5
480.9
10s
CT200
200***
5.0
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
NGRUS326
4160
10
240.5
10 s
SE-CS10-2.5
10*
0.05
ER-5KV
NEMA 3R
NGRUS327
4160
10
240.5
10 s
SE-CS10-2.5
10*
0.05
ER-5WP
NEMA 3R; Weather
Protected Sensing Resistor
Ordering Information



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