Protection Relays & Controls
NGR SERIES – US
Ordering Information
PART
LINE-LINE LET-THROUGH IMPEDANCE
TIME
CURRENT
CT PRIMARY CT SECONDARY SENSING
ENCLOSURE
NUMBER VOLTAGE (V) CURRENT (A)
(OHMS)
RATING TRANSFOMER RATING (A)
RATING (A)
RESISTOR
NGRUS138
NGRUS278
NGRUS314
NGRUS315
NGRUS003
NGRUS194
NGRUS316
NGRUS317
NGRUS318
NGRUS319
NGRUS354
NGRUS355
NGRUS169
NGRUS170
NGRUS320
NGRUS321
NGRUS114
NGRUS115
NGRUS322
NGRUS323
NGRUS324
NGRUS325
NGRUS356
NGRUS357
NGRUS326
NGRUS327
480
480
2
2
2
2
5
5
5
5
2
2
2
2
5
5
5
5
5
5
5
5
5
5
5
5
10
10
138
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
Continuous
10 s
CT200
CT200
200***
200***
5*
5.0
ER-600VC
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
138
138
5.0
0.05
0.05
5.0
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-600VC
ER-5KV
480
ELCT5-31
ELCT5-31
CT200
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
480
138
5*
480
55.4
200***
200***
5*
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
480
55.4
CT200
5.0
480
55.4
ELCT5-31
ELCT5-31
ELCT5-31
ELCT5-31
CT200
0.05
0.05
0.05
0.05
5.0
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
480
55.4
5*
600
173.5
173.5
173.5
173.5
69.4
5*
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
600
5*
600
200***
200***
200***
200***
5*
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
600
CT200
5.0
600
CT200
5.0
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
600
69.4
CT200
5.0
600
69.4
ELCT5-31
ELCT5-31
CT200
0.05
0.05
5.0
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
600
69.4
5*
4160
4160
4160
4160
4160
4160
4160
4160
4160
4160
480.9
480.9
480.9
480.9
480.9
480.9
480.9
480.9
240.5
240.5
200***
200***
5*
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
CT200
5.0
ER-5WP
ELCT5-31
ELCT5-31
ELCT5-31
ELCT5-31
CT200
0.05
0.05
0.05
0.05
5.0
ER-5KV
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
10 s
5*
ER-5WP
Continuous
Continuous
10s
5*
ER-5KV
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
5*
ER-5WP
200***
200***
10*
ER-5KV
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
10s
CT200
5.0
ER-5WP
10 s
SE-CS10-2.5
SE-CS10-2.5
0.05
0.05
ER-5KV
NEMA 3R
NEMA 3R; Weather
Protected Sensing Resistor
10 s
10*
ER-5WP
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