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

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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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Product Description

Type Designation

HD11F-Single-Throw-Knife-Switch-5jpg
1Isolator
2Handle-operated type
3Anti-Error
4Rated operating current
5Number of poles: 3 poles
68: Front-mounted wiring (or Front wiring)
9: Rear-mounted wiring (or Rear wiring)
70: 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
2P3P4P 2P3P4P 2P3P4P 3P3P4P
HD Protective Front-Connected Knife Switch A9214019092190260200220300290322200
B210210210210210230270270300330350210
C-50100507014016080160100115100
D140140140140140140190190190160140140
E50505050707080808010011550
F160160160160160160215215215260275158
H220220220220220240270270300305335210
h110110110110110110135135145125160110
M88888812121216128
A777777777998

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 3P4P 3P4P 3P4P 3P
A115156170200195235225
B155155190190260260240
C4080601007012080
D100100140140140140140
E40406050706080
F120120150150180180192
H165165198198250250250
h8080100100110110120
M10101515101010
A5555555

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

HD11F-7
Model Specification 100A 200A 400A 600A
2P3P4P 1P2P3P4P 1P2P3P4P 1P2P3P4P
HD11 Central Handle Front-Connected Open-Type Knife Switch A90130190100190190270120190210300140240260360
B210210200210210210230270270270300350350330330
C-4010060120701408016080160100200100200
D140140140140140140140190190190190140140140140
E504050-707070-808080-100100100
F165165160165165165165215215215215274274274274
H210220220220220220240270270270300330330310310
h110120100120120120120135135135145140140125125
J110110-110110110110146146146146234234234234
K-----------40404040
O---------------
P---------------
M88888881212121216161616
A777777777779999
Model Specification 1000A 1500A 2000A 3000A(2500A)
1P2P3P4P 1P2P3P4P 1P2P3P4P 1P2P3P4P
HD11 Central Handle Front-Connected Open-Type Knife Switch A160280320440170300350480240400500680260460600680
B380380360360410410390390420420420420450450450450
C120240120240130260130260180360180360200400200400
D140140140140140140140140140140140140140140140140
E-120120120-130130130-180180180-200200200
F284284284284330330330330320320320320365365365365
H380380360360390390370370380380380380390390390390
h175175160160175175160160170170170170180180180180
J208208208208230230230230204204204204230230230230
K5050505070707070100100100100120120120120
O25252525353535354040404045454545
P25252525353535355555555568686868
M12121212121212121212121216161616
A99999999999911111111

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.

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