
 

APPLICATION:
  NF SERIES Moulded Case Circuit Breaker is a kind of economic breaker,having the features as following,such as steady and reliable property,reasonable structure,beautiful style, small volume etc,this breaker applies to the circuit with AC50/60Hz,rated insulating voltage 660V,max.rated current 1250A as on-off operation,and take effect,it also can be used as unfrequent conversion of line and unfrequent start of motor.
TECHNICAL SPECIFICATION:
Type NF30-CS NF50-CS NF60-CS NF100-CS NF250-CS NF400-CS NF630-CS NF800-CS NF1250-CS
Rated current of frame(A) 30 50 60 100 250 400 630 800 1250
Rated current(40℃) 3,5,10
15,20,30
10,15,20
30,40,50
60 60,70,100 125,150
175,200
225,250
250,300
350,400
500
600,630
600
700,800
800,1000
1200,1250
Rated insulation voltage(V) 600
Rated ultimate short circuit breaking capacity(KA) 1.5 5 5 18 18 25 35 35 85
Pole Number(P) 3 2,3 3 2,3 3 3 3 3 3
a 67.5 75 75 60,90 105 140 210 210 210
b 96 130 130 155 165 275 275 275 406
c 52 68 68 68 68 103 103 103 140
d 67 86 86 86 86 132 155 155 190

YUEQING LEYI ELECTRIC CO., LTD.
TEL:0086 577 62578091(5 LINES)  FAX:0086 577 62576780
salzer@salzer-electric.com