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Moulded Case Circuit Breaker MCCB With CE CB KNM1

KNM1 series moulded case circunt breaker(hereafter reffered to as simply breaker)The rated nsulation woltageof the breaker is 800V (KNM1-83is 500v),suiable for tum-an ortum of not requency and starting amobor not trequentyin the circuit ofAC 50hz,rated working wolage 890V or below(KNM1-83is 400wH-ated working current up to800A(KNM1-800is molor prcdncfion-fe).

The breakrshawe oertbadt sthot-craitandunder woltage protection devioes,so as to prolcctthe crcult and the power equipment agalnst damage

Breakers could be instaled vertlallyuprght)or honlzontaly(ransversek

Breakers has disoommecing functon,its comesponding symbol s shown as uhao?

Breakers comply wh demands of following standads
IEC60947-1 and GB/T14048.1-2000 general
IEC60947-2 and GB/T14048.1-2001 low wohage breakers
IEC609474-1 and GB/T14048.4-2003 macharica contactors and motor starters
IEC60947-5-1 and GB/T14048.5-2001 elbctrical equipments of elactromechanical control crcult

  Type Frame
current
(Inm)
Rated
current
(A)
Rated
working
voltage
(V)
Rated
insulation
voltage
Rated limiting
short-circuit
breaking
ability
KA 400V
Rated
opearating
short-
circuit breaker
ability KA
400V
Outline
dimensions
Mounting
dimensions
L W
3P/4P
H A B 4-φd
KNM1-63L 63 (6),10,16,
20,25,32,
40,50,63
AC400V 500V 18 12 136 78 73.5 25 117 φ3.5
KNM1-63M 35 22 136 78/103 81.5
KNM1-125L 125 16,20,25,32,
40,50,63,
80,100,125
AC400V 800V 35 22 150 92 68 30 129 φ4.5
KNM1-125M 50 35 150 92/122 85
KNM1-250L 250 100,125,140
160,180,200,
225,250
AC400V 800V 35 22 165 107 86 35 126 φ4.5
KNM1-250M 50 35 165 107/142 105
KNM1-400L 400 225,250,315,350,400 AC400V 800V 42 35 257 150/198 107 44 195 φ7
KNM1-400M 65 50 257 150/198 107
KNM1-630L 630 400,500,630 AC400V 800V 42 35 270 182/240 111 58 200 φ7
KNM1-630M 65 50 270 182 111
KNM1-800M 800 630,700,800 AC400V 800V 65 50 282 210 113 70 243 φ7
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