PRODUCTS

MOLDED-CASE CIRCUIT BREAKER

High-Breaking Type DB-H Series

Rating

Frame Size 30AF 50AF
Type DB32Hb DB33Hb DB34Hb DB52Hb DB53Hb DB54Hb
Poles 2 3 4 2 3 4
ZCT built-in type 0 0
Rating Electric current(In) A 15, 20, 30 15, 20, 30, 40, 50
Voltage(Ue) AC(V) 600 600
  DC(V) 250 - 250 -
Insulation Voltage(Ui) V 690 690
Rating Breaking Current(Ka)
KS C 8321(Sym)
ICE60947-2(lcu)
lcs=0.5lcu
AC 600V 7.5 10
480/500V 10 14
460V 14 25
415V 14 25
380V 18 25
220V 25 50
DC 250V 7.5 - 14 -
125V 14 - 20 -
Overcurrent trip Method Fully Electronic(ODP) Thermal Electronic(TM)
Attachment Auxiliary Contact AX O O
Alarm Contact AL O O
Voltage trip Device SHT O O
External Operation Handle DH(Surface attachment Type) O O
Terminal Cover   O O
Insulation Barrier   O O
External Size a 50 75 100 60 90 120
b 130 155
c 60 60
d 80 80
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Acquisition Standard KS Certification / CE Certification KS Certification / CE Certification
Frame Size 100AF 225AF
Type DB102Hb DB103Hb DB104Hb DB202Hb DB203Hb DB204Hb
Poles 2 3 4 2 3 4
ZCT built-in type 0 0
Rating Electric current(In) A 15, 20, 30, 40, 50, 60, 75, 100
100, 125, 150, 175, 200, 225
Voltage(Ue) AC(V) 600 600
  DC(V) 250 - 250 -
Insulation Voltage(Ui) V 690 690
Rating Breaking Current(Ka)
KS C 8321(Sym)
ICE60947-2(lcu)
lcs=0.5lcu
AC 600V 18 18
480/500V 25 25
460V 35 35
415V 35 35
380V 35 35
220V 65 65
DC 250V 18 - 18 -
125V 25 - 25 -
Overcurrent trip Method Thermal Electronic(TM) Thermal Electronic(TM)
Attachment Auxiliary Contact AX O O
Alarm Contact AL O O
Voltage trip Device SHT O O
External Operation Handle DH(Surface attachment Type) O O
Terminal Cover   O O
Insulation Barrier   O O
External Size a 60 90 120 105 140
b 155 165
c 60 60
d 80 82.5
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Acquisition Standard KS Certification / CE Certification KS Certification /
Frame Size 400AF
Type DB402H DB403H DB404H
Poles 2 3 4
ZCT built-in type 0
Rating Rating Current(In) A 250, 300, 350, 400
Voltage(Ue) AC(V) 600
  DC(V) 250 -
Insulation Voltage(Ui) V 690
Rating Breaking Current(Ka)
KS C 8321(Sym)
ICE60947-2(lcu)
lcs=0.5lcu
AC 600V 25
480/500V 35
460V 50
415V 50
380V 65
220V 85
DC 250V 40 -
125V 50 -
Overcurrent trip Method Thermal Electronic(TM)
Attachment Auxiliary Contact AX O
Alarm Contact AL O
Voltage trip Device SHT O
External Operation Handle DH(Surface attachment Type) -
Terminal Cover   0
Insulation Barrier   O
External Size a 140 184
b 257
c 95
d 154
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Acquisition Standard KS Certification / KS Certification / CE Certification

Standard

Standard Criteria
KS C 8321
IEC 60947-2
Approval & Certification
Electrical Appliance Safety Certification, KS, Korean Register of Shipping

※When ordering ZCT built-in type, please indicate "ZCT" after the basic model name.(example:DB104CB-ZCT)"