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HD11F Single Throw Anti-Error Knife Switch - China Suppliers & Factory for Reliable Industrial Power Isolation

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The HD11F Single Throw Anti-Error Knife Switch is a reliable solution for industrial power systems, designed to handle loads ranging from 200A to 1600A at AC380V/DC220V with 660V insulation. As a key product from a leading China Manufacturer, this anti-error knife switch features a single-throw design that effectively prevents misoperation, ensuring safety in critical applications. With robust high short-time withstand currents of 10-32kA for 1 second, the HD11F guarantees superior performance. Its impressive 10,000-cycle mechanical endurance and low operating force (≤450N) make it ideal for effortless manual control even in harsh environments. This switch adheres to AC-20 standards and operates at a frequency of 50Hz, making it a perfect choice for distribution panels and machinery that require fail-safe disconnection and durability. As a trusted product from reputable Suppliers and a reliable Factory in China, the HD11F switch is engineered for those who prioritize safety and performance in their operations.

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    Type Designation

    HD11F-Single-Throw-Knife-Switch-5jpg
    1 Isolator
    2 Handle-operated type
    3 Anti-Error
    4 Rated operating current
    5 Number of poles: 3 poles
    6 8: Front-mounted wiring (or Front wiring)
    9: Rear-mounted wiring (or Rear wiring)
    7 0: Without auxiliary contact
    1: With auxiliary contact

    Technical Parameters

    Rated operating current 200A 400A 600/630A 1000A 1500/1600A
    Rated insulation voltage 660V
    Rated working voltage AC380V, DC220V
    Rated frequency 50Hz
    Rated short-time withstand current (r.m.s.) AC-20
    1s 10kA 20kA 20kA 25kA 32kA
    Mechanical life (operation cycles) 10000 10000 5000 5000 3000
    Operating force F ≤250N ≤300N ≤350N ≤400N ≤450N

    Product Display

    HD11F-Single-Throw-Knife-Switch-(1)
    HD11F-Single-Throw-Knife-Switch-(2)
    HD11F-Single-Throw-Knife-Switch-(3)
    HD11F-Single-Throw-Knife-Switch-(4)

    HD Protective Knife Switch Outline and Installation Dimensions

    The front wiring of HD11F is as shown below.

    HD11F-3
    Model Specification 100 200 400 600 1000 100 I type
    2P 3P 4P 2P 3P 4P 2P 3P 4P 3P 3P 4P
    HD Protective Front-Connected Knife Switch A 92 140 190 92 190 260 200 220 300 290 322 200
    B 210 210 210 210 210 230 270 270 300 330 350 210
    C - 50 100 50 70 140 160 80 160 100 115 100
    D 140 140 140 140 140 140 190 190 190 160 140 140
    E 50 50 50 50 70 70 80 80 80 100 115 50
    F 160 160 160 160 160 160 215 215 215 260 275 158
    H 220 220 220 220 220 240 270 270 300 305 335 210
    h 110 110 110 110 110 110 135 135 145 125 160 110
    M 8 8 8 8 8 8 12 12 12 16 12 8
    A 7 7 7 7 7 7 7 7 7 9 9 8

    The front wiring of New Anti-Error Knife Switch HD11F2 is as shown below.

    HD11F-5
    Model Specification 100 200 400 600
    HD11F2 Anti-Misoperation Knife Switch 3P 4P 3P 4P 3P 4P 3P
    A 115 156 170 200 195 235 225
    B 155 155 190 190 260 260 240
    C 40 80 60 100 70 120 80
    D 100 100 140 140 140 140 140
    E 40 40 60 50 70 60 80
    F 120 120 150 150 180 180 192
    H 165 165 198 198 250 250 250
    h 80 80 100 100 110 110 120
    M 10 10 15 15 10 10 10
    A 5 5 5 5 5 5 5

    HD Central Handle Open-Type Knife Switch Outline and Installation Dimensions

    HD11F-7
    Model Specification 100A 200A 400A 600A
    2P 3P 4P 1P 2P 3P 4P 1P 2P 3P 4P 1P 2P 3P 4P
    HD11 Central Handle Front-Connected Open-Type Knife Switch A 90 130 190 100 190 190 270 120 190 210 300 140 240 260 360
    B 210 210 200 210 210 210 230 270 270 270 300 350 350 330 330
    C - 40 100 60 120 70 140 80 160 80 160 100 200 100 200
    D 140 140 140 140 140 140 140 190 190 190 190 140 140 140 140
    E 50 40 50 - 70 70 70 - 80 80 80 - 100 100 100
    F 165 165 160 165 165 165 165 215 215 215 215 274 274 274 274
    H 210 220 220 220 220 220 240 270 270 270 300 330 330 310 310
    h 110 120 100 120 120 120 120 135 135 135 145 140 140 125 125
    J 110 110 - 110 110 110 110 146 146 146 146 234 234 234 234
    K - - - - - - - - - - - 40 40 40 40
    O - - - - - - - - - - - - - - -
    P - - - - - - - - - - - - - - -
    M 8 8 8 8 8 8 8 12 12 12 12 16 16 16 16
    A 7 7 7 7 7 7 7 7 7 7 7 9 9 9 9
    Model Specification 1000A 1500A 2000A 3000A(2500A)
    1P 2P 3P 4P 1P 2P 3P 4P 1P 2P 3P 4P 1P 2P 3P 4P
    HD11 Central Handle Front-Connected Open-Type Knife Switch A 160 280 320 440 170 300 350 480 240 400 500 680 260 460 600 680
    B 380 380 360 360 410 410 390 390 420 420 420 420 450 450 450 450
    C 120 240 120 240 130 260 130 260 180 360 180 360 200 400 200 400
    D 140 140 140 140 140 140 140 140 140 140 140 140 140 140 140 140
    E - 120 120 120 - 130 130 130 - 180 180 180 - 200 200 200
    F 284 284 284 284 330 330 330 330 320 320 320 320 365 365 365 365
    H 380 380 360 360 390 390 370 370 380 380 380 380 390 390 390 390
    h 175 175 160 160 175 175 160 160 170 170 170 170 180 180 180 180
    J 208 208 208 208 230 230 230 230 204 204 204 204 230 230 230 230
    K 50 50 50 50 70 70 70 70 100 100 100 100 120 120 120 120
    O 25 25 25 25 35 35 35 35 40 40 40 40 45 45 45 45
    P 25 25 25 25 35 35 35 35 55 55 55 55 68 68 68 68
    M 12 12 12 12 12 12 12 12 12 12 12 12 16 16 16 16
    A 9 9 9 9 9 9 9 9 9 9 9 9 11 11 11 11

    Frequently Asked Questions

    What is the HD11F Single-Throw Knife Switch used for?
    The HD11F is an isolator-type knife switch primarily used for isolating electrical circuits in power distribution systems. It provides safe manual disconnection of electrical loads in industrial and commercial applications operating at AC 380V or DC 220V.
    What rated current options are available for the HD11F knife switch?
    The HD11F knife switch is available in five rated operating current options: 200A, 400A, 600/630A, 1000A, and 1500/1600A, making it suitable for a wide range of electrical load requirements.
    What is the difference between front wiring and rear wiring configurations?
    In the type designation, code "8" indicates front-mounted wiring (Front wiring), where the cable connections are made from the front side of the switch, while code "9" indicates rear-mounted wiring (Rear wiring), where connections are made from the back. The choice depends on cabinet layout and installation requirements.
    What is the difference between the HD11F and HD11F2 Anti-Misoperation Knife Switch?
    The HD11F is a standard protective knife switch, while the HD11F2 incorporates an anti-misoperation (Anti-Error) mechanism that prevents accidental or incorrect switching operations. The HD11F2 also features different installation dimensions and is designed for enhanced operational safety in critical applications.
    Does the HD11F knife switch support auxiliary contacts?
    Yes. The type designation code "0" indicates a configuration without auxiliary contact, while code "1" indicates a version with an auxiliary contact. The auxiliary contact version is useful for interlocking or signaling purposes in control circuits.
    What is the mechanical life expectancy of the HD11F knife switch?
    The mechanical life varies by current rating: 200A and 400A models are rated for 10,000 operation cycles; 600/630A and 1000A models are rated for 5,000 cycles; and the 1500/1600A model is rated for 3,000 operation cycles, ensuring long-term reliable service under normal operating conditions.