miniature circuit breakers - lsis · 2017-03-01 · 4 exemplary dc circuit diagrams(bk63hu)...
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Miniature Circuit Breakers BK63HU / BK63H
2
Miniature circuit breakers
BK63H UL489 MCB
RatingsBK63HU 1P BK63HU 2P BK63HU 3P
Performance UL489 MCB
Standard UL489, UL486E(Lug)
Protection Overload, Short circuit
Rated current 1, 2, 3, 4, 6, 10 ,16, 20 ,25, 32, 40, 50, 63A
Number of poles 1P, 2P, 3P
Rated short circuit capacity
AC DC
1P: 10kA @120/240VAC,1~63A
2~3P: 10kA @240VAC, 1~63A 1P : 10kA @DC60V
1P: 10kA @277VAC, 1~25A 2~3P : 10kA @DC125V
2~3P: 10kA @480Y/277VAC, 1~25A
Rated frequency 50/60 Hz
Reference temperature 40℃
Normal ambient temperature -5 ~ 40℃
Tripping curve B, C, D Curve
Trip type Thermal Magnetic
Type of terminals Terminal with stirrup(indirect pressure)
Terminal size acceptability - Min/Max 14 / 4AWG
Tightening Torque 3.9 Nm (35 Ibf-in)
Installation Mounting on 35mm Din rail
Dimension of specimen (W×H×D) 18×105×66 (1P)
Protection degree IP20
Accessory AX-HU, AL-HU, SHT-HU, UVT-HU
Relative humidity 45~85%RH
Electrical Endurance 6,000
Maximum switching frequency (time/h) 360/h
Approvals UL
3
Ratings
Miniature circuit breakers
BK63H UL1077 MCB
BK63H-UL 3PBK63H-UL 2P BK63H-UL 4P
Performance UL1077 MCB
Standard UL 1077
Protection Overload, Short circuit
Rated current 1, 2, 3, 4, 6, 10 ,16, 20 ,25, 32, 40, 50, 63A
Number of poles 1P, 2P, 3P, 4P
Rated short circuit capacity 1P: 10kA @120/240VAC
6kA @277VAC
2~4P: 10kA @120/240VAC
6kA @480Y/277VAC
Rated frequency 50/60 Hz
Reference temperature 40℃
Normal ambient temperature -5 ~ 40℃
Tripping curve B, C, D Curve
Trip type Thermal Magnetic
Type of terminals Terminal with stirrup(indirect pressure)
Terminal size acceptability - Min/Max 14 / 4AWG
Tightening Torque 2Nm (17.5 lbf-in)
Installation Mounting on 35mm Din rail
Dimension of specimen (W×H×D) 18×81×66 (1P)
Protection degree IP20
Accessory AX-H, AL-H, SHT-H, UVT-H
Relative humidity 45~85%RH
Electrical Endurance 6,000
Maximum switching frequency (time/h) 360/h
Approvals UL, CB, CCC
BK63H-UL 1P
4
Exemplary DC circuit diagrams(BK63HU)
Miniature circuit breakers
Accessory / Circuit Diagrams(BK63HU)
UL489 accesory
Type AX-H AL-H
Appearance
Rating
AC circuit
6A at 240V3A at 415V
DC circuit
1A at 110V DC2A at 48V DC
Contact
Dimension(W×H×D) 9 × 105 × 66
OFF
MCB
AX
MCB
AL
TRIP ON OFF TRIP ON
UL1077 accesory
Type AX-H AL-H
Appearance
Rating
AC circuit
6A at 240V3A at 415V
DC circuit 1A at 110V DC
Contact
Dimension(W×H×D) 9 × 105 × 66
OFF
MCB
AX
MCB
AL
TRIP ON OFF TRIP ON
Type SHT-HU UVT-HU
Appearance
Control Voltage[Ue]
AC 110~380VDC 60~220V
AC 110~120VAC 220~240VAC 380~415V
Operation Voltage 80~110% Ue -
Trip voltage - 35~70% Ue
Dimension(W×H×D) 18 × 81 × 66
Type SHT-HU UVT-HU
Appearance
Control Voltage[Ue]
AC 110~380VDC 60~220V
AC 110~120VAC 220~240VAC 380~415V
Operation Voltage 80~110% Ue -
Trip voltage - 35~70% Ue
Dimension(W×H×D) 18 × 105 × 66
Load Load Load
Load
Load
Supply+ -
A. Ground System
1 Pole 2 Pole 3 Pole
A. Ground SystemB. Unground System B. Unground System
5
UL489 MCB
36 54
36
105
45
65.574
56.2
5.5
18
64
45105
56.2
36
9
4
5.5
17.5
6445
36
5.5
56.265.5
73.5
105
AX : 48g / AL : 48gSHT : 100g / UVT : 110g
1P : 130g 2P : 260g 3P : 390g
B1
7
49.2
7
12.2
4
913
8145
36.05.5
Miniature circuit breakers
Dimension / Operating curve
UL4
89 M
CB
Ope
ratin
g cu
rve
●BK63HU
●AX-HU/AL-HU
●SHT-HU/UVT-HU
100.01
0.080.060.04
0.02
6040
20
10864
2
140
20
10864
2
10.80.60.4
0.2
0.1
1 1.5 2 3 4 65 87 9 3015 20
"B" "C" "D"
Max. value
Min. value
Instantaneous tripping"B" characteristic(300~500% t<0.1s)
"C" characteristic(500~1000% t<0.1s)
"D" characteristic(1000~2000% t<0.1s)
Min
.S
ec.O
pera
tiona
l tim
e (%
)
Multiple of rated current
6
UL1077 MCB
81
5.5
45
35.5
49.565.8
74 36 5418
63
72
17.827
B1
7
49.2
7
12.2
4
913
8145
36.05.5
8163
78
36 45
5.5
27.849.2 17.5
1P : 120g
AX : 38g / AL : 38g
SHT : 85g / UVT : 95g
2P : 240g 3P : 360g 4P : 480g
Miniature circuit breakers
Dimension / Operating curve
●BK63H
●AX-H/AL-H
●SHT-H/UVT-H
UL1
077
MC
B O
pera
ting
curv
e
7
Accessory connecting
Up to 54mm Up to 18mm Up to 36mm
AL9mm
AX9mm
SHT18mm
UVT18mm
MCB AL9mm
AX9mm
MCB SHT18mm
UVT18mm
MCB
• Both Aux. contacts and Tripping devices
Up to 54mm Up to 18mm Up to 36mm
AL9mm
AX9mm
SHT18mm
UVT18mm
MCB AL9mm
AX9mm
MCB SHT18mm
UVT18mm
MCB
•Aux. contacts
Up to 54mm Up to 18mm Up to 36mm
AL9mm
AX9mm
SHT18mm
UVT18mm
MCB AL9mm
AX9mm
MCB SHT18mm
UVT18mm
MCB
• Tripping devices
UL 489 / 1077 MCB
AX
Accessory
AX Auxiliary switch
AL Alarm switch
SHUT shunt trip device
UVT Under voltage trip device
H
applicable product
H (UL1077) BK63H
HU (UL489) BK63HU
UL1077
applied standard
UL1077 UL1077
UL489 UL489
Numbering system / Accessory connecting
BK
Series
MCB
63H
AF
63
63A
A
1, 2, 3, 4,
6, 10, 20,
25, 32, 40,
50, 63A
10kA
KA
6
10
B
Type
B-Type
C-Type
D-Type
1P
Pole
1P
2P
3P
4P
U
Standard
U UL489
UL1077
Standard
UL489
UL1077
UL489
Rated voltage
120/240VAC
240VAC
277VAC
480Y/277VAC
240VAC
Specifications in this catalog are subject to change without notice due to continuous product development and improvement.
2016. 01 Miniature Circuit Breakers BK63HU/BK63H (E) 2016. 01/(01) 2016. 01 Printed in Korea STAFF
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■ GLOBAL NETWORK
Safety Instructions
•For your safety, please read user's manual thoroughly before operating.
•Contact the nearest authorized service facility for examination, repair, or adjustment.
•�Please contact qualified service technician when you need maintenance. Do not disassemble or repair by yourself!
•Any maintenance and inspection shall be performed by the personnel having expertise concerned.
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