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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