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

| 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
HD Protective Knife Switch Outline and Installation Dimensions
The front wiring of HD11F is as shown below.

| 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.

| 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

| 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.







Claire
Mr.Fu

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