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BZM Series MCCB của Eaton cung cấp khả năng bảo vệ cơ bản cho các nhà thiết kế điện, nhà chế tạo bảng điều khiển, nhà thầu và nhà chế tạo máy lên đến 400A và 50kA. Vận hành đơn giản với các tính năng và phụ kiện chất lượng cao, BZM cung cấp hầu hết giá trị cho việc lắp đặt ở hạ nguồn trong mạng phân phối điện. Phiên bản BT đầu cuối hộp tích hợp tùy chọn giúp tiết kiệm thời gian và loại bỏ chi phí cho các bộ phận bổ sung cần thiết cho việc kết thúc cáp.

Thông số kỹ thuật
Rated current max. 125 A BZM1 Rated current max. 250 A BZM2 Rated current max. 400 A BZM3
Mechanical specifications
Standards IEC/EN 60947-2 IEC/EN 60947-2 IEC/EN 60947-2
Number of poles 1, 2, 3, 4 3 3
Device width mm 1pole:25, 2pole: 50, 3pole: 75, 4pole: 100 3pole: 105 3pole: 140
Frame size mm 45 45 95
Socket size mm 130 165 255
Device depth mm 84.7 91,5 110
Terminals Lift terminal, ring tongue connector ring tongue connector
Terminal capacity lift terminal mm2 rigid (solid/stranded) and flexible wire (2.5 - 50)
Terminal capacity ring tongue mm Diameter: max. 15 Diameter: max. 24 32
Busbar thickness mm max. 8 as required
Terminal capacity Tunnel Terminal XKA1 Copper Cabel/Aluminium cable: mm2 max. 350A 1 x 16 - 185
Terminal capacity Tunnel Terminal XKA2 Copper Cable/Aluminium cable: mm2 max. 400A 1 x 50 - 240 or 2 x 50 - 240
Terminal screw M6 (Pozidriv PZ2) M8 M10
Terminal torque Nm 4 14 30
Degree of Protection (DIN VDE 0470) Built-in behind panel IP40 Built-in behind panel IP40 Built-in behind panel IP40
Climatic conditions acc. to IEC 68-2 (25..55°C / 90..95% RH) acc. to IEC 68-2 (25..55°C / 90..95% RH) acc. to IEC 68-2 (25..55°C / 90..95% RH)
Ambient temperature
Storage °C "-35 ... +85 "-35 ... +85 "-35 ... +85
Operation °C "-25 ... +70 "-25 ... +70 "-25 ... +70
Mounting positions Vertical and 90° in all directions Vertical and 90° in all directions Vertical and 90° in all directions
Protection System
Enclosures With insulating surround: IP40 With insulating surround: IP40 With insulating surround: IP40
Number of mechanical operating cycles > 10.000 > 8.000 > 5.000
Pollution degree 3 3 3
Electrical specifications
1pole 2,3 and 4pole
Maximum LV h.b.c. fuse A gG/gL  200 200 315
Rated operational voltage Ue V AC 230/240, 50/60 Hz 400/415, 50/60 Hz 400/415, 50/60 Hz 440, 50/60 Hz
Rated current In A 16 up to 100 16 up to 125 125, 160, 200, 250 250, 320, 350, 400
Rated impulse withstand voltage Uimp  V 4.000 (1.2/50 μsec) 6.000 (1.2/50 μsec) 6.000 (1.2/50 μsec) 8.000 (1.2/50 μsec)
Overvoltage category III III III III
Rated insulation voltage Ui V 690 690 690 690
For use in IT electrical power networks V 230/240 400/415 400/415 440
Direction of incoming supply As required As required As required As required
Number of electrical operating cycles > 1.500 > 1.500 1000 > 1.000
Tripping characteristic
Conventional non-tripping current Int = 1.05 In Int = 1.05 In Int = 1.05 In1) Int = 1.05 In
Conventional tripping current It = 1.30 In It = 1.30 In It = 1.30 In It = 1.30 In
Reference temperature °C 40 30 30 40
Ứng dụng
  • BZM 1
  1. Rated current: 16 A up to 125 A
  2. Breaking Capacity: 15, 18, 25, 36 kA
  3. Cable fixing: Cable lug M6 or Box Terminal (BZM...-BT)
  4. Available poles: 1pole, 3pole, 4poles
  5. Rated Voltage: 400/415V, 50/60Hz
  6. 3-Position lever: Off - Trip – ON
  7. Optional rotary handle – Direct or Door Interlocked
  8. Electrical Supply: Line or Load-Side
  9. Common voltage trip releases
  • BZM 2
  1. Rated current: 125 A up to 250 A
  2. Breaking Capacity: 25, 36 kA
  3. Cable fixing: Cable lug M8
  4. Available poles: 3pole
  5. Rated Voltage: 400/415V, 50/60Hz
  6. 3-Position lever: Off - Trip – ON
  7. Optional rotary handle – Direct or Door Interlocked
  8. Electrical Supply: Line or Load-Side 
  9. Common voltage trip releases
  • BZM 3
  1. Rated current: 250 up to 400A
  2. Breaking capacity 25, 36 or 50kA/415VAC
  3. Cable fixing: Cable lug M10 or Tunnel terminal (accessory)
  4. Rated ltage: 440V, 50/60Hz
  5. 3-Position lever: Off – Trip – On
  6. Optional rotary handle – Direct or Door Interlocked
  7. Electrical Supply: Line or Load-Side
  8. Common voltage trip releases
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Basic - BZM

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