Littelfuse SE-330AU, Руководство пользователя

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Page 5
SE-330AU Neutral-Earthing-Resistor Monitor
Rev. 4-I-101817
TABLE 1. T
YPICAL
V
ALUES FOR
T
RIPPING
S
YSTEMS
SYSTEM VOLTAGE
(VOLTS)
NEUTRAL-EARTHING
RESISTOR
EARTH-FAULT TRIP LEVEL
(AMPERES)
V
N
TRIP
LEVEL
(VOLTS)
SENSING
RESISTOR
S5
LINE TO
LINE LINE TO
NEUTRAL CURRENT
(AMPERES)
RESISTANCE
(OHMS)
EFCT-X
(5-A
RATING)
SE-CS30-X
(30-A
RATING)
110 (3) 55 5 11 0.5 (1) 20 ER-600VC 20 k
W
120 (3) 60 5 12 0.5 (1) 20 ER-600VC 20 k
W
110 64 5 13 0.5 (1) 20 ER-600VC 20 k
W
127 73 5 15 0.5 (1) 20 ER-600VC 20 k
W
240 (3) 120 5 24 0.5 (1) 20 ER-600VC 20 k
W
240 139 5 28 0.5 (1) 20 ER-600VC 20 k
W
270 156 5 31 0.5 (1) 20 ER-600VC 20 k
W
415 240 5 48 0.5 (1) 60 ER-600VC 20 k
W
433 250 5 50 0.5 (1) 60 ER-600VC 20 k
W
690 398 5 80 0.5 (1) 60 ER-600VC 20 k
W
970 560 5 112 0.5 (1) 60 ER-5KV 20 k
W
1,000 575 5 115 0.5 (1) 60 ER-5KV 20 k
W
1,050 605 5 121 0.5 (1) 100 ER-5KV 20 k
W
1,100 635 5 127 0.5 (1) 100 ER-5KV 20 k
W
1,140 658 5 132 0.5 (1) 100 ER-5KV 20 k
W
3,300 1,905 5 381 0.5 (1) 200 ER-5KV 20 k
W
6,600 3,810 5 762 0.5 (1) 500 ER-15KV 100 k
W
6,600 3,810 10 381 1.0 0.75 500 ER-15KV 100 k
W
6,600 3,810 25 152 2.0 1.5 500 ER-15KV 100 k
W
11,000 6,350 5 1,270 0.5 (1) 650 ER-15KV 100 k
W
11,000 6,350 10 635 1.0 0.75 650 ER-15KV 100 k
W
11,000 6,350 20 318 2.0 1.5 650 ER-15KV 100 k
W
11,000 6,350 25 254 2.0 2.4 650 ER-15KV 100 k
W
22,000 12,700 5 2,540 0.5 (1) 1,700 ER-25KV 100 k
W
22,000 12,700 10 1,270 1.0 0.75 1,700 ER-25KV 100 k
W
22,000 12,700 20 635 2.0 1.5 1,700 ER-25KV 100 k
W
22,000 12,700 25 508 2.0 2.4 1,700 ER-25KV 100 k
W
22,000 12,700 50 254 (2) 24 8,500 ER-25KV 100 k
W
33,000 19,050 50 380 (2) 24 10,000 ER-35KV 100 k
W
(1)
Minimum setting is 0.75 A. Use EFCT-x for AS/NZS 2081:2002 compliance.
(2)
Maximum setting is 5 A. AS/NZS 2081:2002 allows 25 A.
(3)
Single phase, centre tap.