Switch Disconnector_NAL/NALF Switch Disconnector_Wuxi Lanhong Electric Co., Ltd.
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      86-510-83720170 -8007
      E-mail: lanhong@lhdz.com
       
       
       
       
      NAL/NALF(12KV,17.5~24KV,40.5KV ) switch disconnector(licensed by ABB, manufactured by Wuxi Lanhong Electric Co., Ltd.
      NAL switch disconnector (comply with IEC 60265-1:1997 GB3804-1990)
      NALF fuse switch disconnector-fuse composite apparatus (comply with IEC60420:1990 GB16926-1997)
      NAL switch disconnector and NALF fuse switch disconnector are high voltage switch disconnectors combined air-blast arc extinction with aerogenesis arc extinction. So far, more than 550,000 units installed worldwide are in use.
      By combining NAL switch disconnector with fuse, the fuse switch disconnector possesses both advantages. NAL switch disconnector disconnects any load currents until its rated breaking current; the fuse and its striker break any over-load current until any fuse switch disconnector’s rated short-circuit breaking current..
      Manufacturer: Lanhong electric Co., Ltd. Wuxi, China (License of ABB).
      Manufactured by ABB factory in Poland.

      NAL12 / NALF12
      NAL12 / NALF12系列 (GB)
      NAL17.5/NALF17.5系列
      (IEC)
      NAL24 / NALF24
      NAL36 / NALF36

      NAL12

      NAL12

      NAL24

      NAL36

      NALF12

      NALF12

      NALF24

      NALF36
        Experiment report

      NAL12

      NALF12

      NAL36

      NALF36

      NAL24

      Technical Authorization
      of ABB
         
      NAL負荷開關型式檢驗報告
       

       

      NAL/NALF Technical Data

      Rated voltage

      KV

      12(IEC)

      17.5 (IEC)

      12(GB)

      24(GB)

      36 (IEC)

      Rated frequency

      Hz

      50/60

      50/60

      50

      50

      50

      Rated impulse withstand voltage

      Between phases and to earth

      KV

      75

      95

      75

      125

      170

      Between breaks

      KV

      85

      110

      85

      145

      195

      Rated power frequency withstand voltage 50Hz,1min

      Between phases and to earth

      KV

      42

      45

      42

      65

      70

      Between breaks

      KV

      42

      60

      48

      79

      80

      Rated short circuit making current(peak)

      KA

      67

      50

      50

      50

      50

      Rated peak withstand current

      KA

      82

      82

      50

      50

      50

      Short time withstand current

      KA

      25/2s

      25/2s

      20/4s

      20/2s

      20/2s

      31.5/2s

      Rated active load switch breaking current

      A

      630

      1250

      630

      1250

      630

      1250

      630

      630

      Rated closed-loop breaking current

      A

      630

      1250

      630

      1250

      630

      1250

      630

      630

      Rated cable charging breaking current

      A

      10

      10

      10

      16

      21

      Main circuit resistance

      μ Ω

      ≤105

      ≤105

      ≤105

      ≤105

      ≤105

      Phase distance (center distance)

      mm

      150/170/210
      210

      170/210

      170/210

      235/275

      360

      Rated current of fuse switch disconnector

      A

      100

      100

      100

      100

      100

      Maximum fuse current of the fuse switch disconnector

      A

      125

      125

      125

      125

      50

      Main circuit resistance the fuse switch disconnector

      μ Ω

      ≤250

      ≤250

      ≤250

      ≤250

      ≤250

      Rated short circuit breaking current of fuse switch disconnector

      KA

      31.5

      31.5

      31.5

      31.5

      31.5

      Rated short circuit making current of fuse switch disconnector (peak)

      A

      80

      80

      80

      80

      80

      Rated transfer current of fuse switch disconnector

      A

      1200

      1200

      1200

      800

      200

      Maximum operating torque

      Switch disconnector, with K type single spring operating mechanism

      close

      Nm

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      open

      Nm

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      Fuse switch disconnector, with A type double springs operating and energy-stored mechanism

      Energy-stored and close

      Nm

      ≤120

      ≤120

      ≤120

      ≤120

      ≤120

      open

      Nm

      ≤3

      ≤3

      ≤3

      ≤3

      ≤3

      Shaft corner

      degree

      120

      120

      120

      120

      120

      Close speed

      m/s

      ≥6

      ≥6

      ≥6

      ≥6

      ≥6

      Open speed

      m/s

      4.5~6

      4.5~6

      4.5~6

      4.5~6

      4.5~6

      Three phase close synchronism

      m/s

      ≤3

      ≤3

      ≤3

      ≤3

      ≤3

      Mechanical life

      time

      ≥2000

      ≥2000

      ≥2000

      ≥2000

      ≥2000

      Remark:(1) According to the actual requirements, different operation modes like manual, manual with shunt tripping, electrical and electrical shunt tripping are available.

       

      E Type Switch Disconnector with Earthing Switch

      Rated voltage

      KV

      12(IEC)

      17.5(IEC), 12(GB)

      24(GB)

      40.5(GB)

      Rated short circuit making current(peak)

      KA

      40

      40

      40

      40

      Rated peak withstand current

      KA

      40

      40

      40

      40

      2S short time withstand current

      KA

      16

      16

      16

      16

      Closing operating torque

      Nm

      ≤120

      ≤120

      ≤120

      -≤120

      Opening operating torque

      Nm

      ≤120

      ≤120

      ≤120

      ≤120

      Mechanical life

      time

      ≥2000

      ≥2000

      ≥2000

      ≥2000

      Phase distance (center distance)

      mm

      150/170/210
      210

      170/210

      275

      360

       
      NAL12/24 outline dimension
       
      nal 12/24 with earthing switch outline dimension
       

      Type

      A

      A1

      A2

      A3

      B

      H2

      K

      K1

      M

      N

      L

      P

      R

      S

      U

      V

      NAL12-K,P=150(IEC)

      166

      320

      362

      394

      90

      510

      310

      63

      412

      122

      164

      150

      375

      350

      75

      33

      NAL12-A,P=150(IEC)

      166

      320

      362

      394

      90

      510

      310

      63

      412

      122

      164

      150

      375

      350

      75

      33

      NAL12-K,P=170(IEC)

      166

      320

      362

      394

      90

      510

      310

      63

      452

      122

      164

      170

      375

      390

      75

      33

      NAL12-A,P=170(IEC)

      166

      320

      362

      394

      90

      510

      310

      63

      452

      122

      164

      170

      375

      390

      75

      33

      NAL12-K,P=210(IEC)

      166

      320

      362

      394

      90

      510

      310

      63

      532

      122

      164

      210

      375

      470

      75

      33

      NAL12-A,P=210(IEC)

      166

      320

      362

      394

      90

      510

      310

      63

      532

      122

      164

      210

      375

      470

      75

      33

      NAL24-K,P=235(IEC)

      225

      375

      418

      518

      98

      633

      441

      88

      582

      186

      202

      235

      500

      525

      90

      18

      NAL24-A,P=235(IEC)

      225

      375

      418

      518

      98

      633

      441

      88

      582

      186

      202

      235

      500

      525

      90

      18

      NAL12-K,P=170(GB)

      225

      375

      418

      518

      98

      633

      441

      88

      452

      140

      176

      170

      500

      396

      90

      18

      NAL12-A,P=170(GB)

      225

      375

      418

      518

      98

      633

      441

      88

      452

      140

      188

      170

      500

      396

      90

      18

      NAL12-K,P=210(GB)

      225

      375

      418

      518

      98

      633

      441

      88

      532

      140

      176

      210

      500

      476

      90

      18

      NAL12-A,P=210(GB)

      225

      375

      418

      518

      98

      633

      441

      88

      532

      140

      188

      210

      500

      476

      90

      18

      NAL24-K,P=275(GB)

      225

      375

      418

      518

      98

      633

      441

      88

      782

      170

      176

      275

      500

      726

      90

      18

      NAL24-A,P=275(GB)

      225

      375

      418

      518

      98

      633

      441

      88

      782

      170

      188

      275

      500

      726

      90

      18

       

      Type

      H

      H0

      H1

      A4

      B1

      U1

      K5

      NAL12KV-E type with Earthing Switch(IEC)

      220

      689

      360

      245

      55

      60

      130

      NAL12KV-E type with Earthing Switch(GB)

      220

      800

      473

      310

      55

      63

      104

      NAL24KV-E type with Earthing Switch(GB)

      325

      930

      578

      295

      55

      166

      247

       
      NALF12/24 outline dimension
       
      NALF12/24 with earthing switch outline dimension
       
      Type

      Fuse

      C

      D

      R1

      kV

      Length

      NALF12KV(IEC)

      12

      292

      174

      375

      NALF12KV(GB)

      12

      292

      258

      375

      NALF24KV(GB)

      24

      442

      363

      525

       

      Type

      H3

      H4

      H5

      NALF12KV-E(IEC)

      871

      1200

      206

      NALF12KV-E (GB)

      956

      1285

      180

      NALF24KV-E (GB)

      914

      1275

      180

       
      NALF36
      NALF36
       
      NAL36 with earthing switch outline dimension
      NAL36 switch disconnector
       
      NAL36-E
      NAL36-E
       
      NALF36-E
      NALF36-E
       
      Diagram of manual operation mechanism
       
      Diagram of manual operation mechanism
       
       
       
       

      Transformer capacity

      Primary voltage of transformer

      (KVA)

      12KV

      24KV

      36KV

       

      Rated current(A)

      Rated current(A)

      Rated current(A)

      25

       

      6

      6

      50

      10

      6

      6

      75

      16

      6

      6

      100

      16

      10

      6

      125

      16

      10

      6

      160

      20

      16

      10

      200

      20

      16

      10

      250

      25

      16

      16

      315

      31.5

      20

      16

      400

      40

      20

      16

      500

      50

      25

      25

      630

      63

      31.5

      25

      800

      80

      40

      25

      1000

      100

      50

      40

      1250

      125

      63

      40

      1600

       

      80

       

       

       

       

       

       
       
       
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