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K033C series
SiRON
8543709990
About selection

Selectionexample: K033C-16-20 indicatesthe K033C series, thenumberofopticalaxesis 16 axes, the optical axis spacing is 20mm, NPN output, normally closed state, single channel.
K033c-16-20p-no-2 indicatesthe K033C series, thenumberofopticalaxesis 16 axes, the optical axis spacing is 20mm, PNP output, Normallyopen, dual channel.
Note: 1, the protection distance can be customized to 30m(optical axis spacing 10/20/40/60mm), model examples are as follows:
K033C-16-20(D10) K033C series, the number of optical axes is 16 axes, the optical axis spacing is 20mm, NPN output, normally closed state,The protection distance is 10m.
2, when ordering the support separately, the order model is: K033C-L1, K033C-L2.
Specifications
| Name | Smalllight curtain | ||
| Appearance | ![]() ![]() | ||
| Cross-sectional area | 35×35mm | Resistance to insulation | ≥100MΩ |
| Number of channels | Single channel,double channel | Response time | line locking |
| Number of optical axes | 4、6、8、10…… | Scan time | IP65 |
| Protection height | Protection height H=(n-1)*optical axis spacing,N is the number of optical axes | Synchronicity | -10~+55℃ |
| Protection distance* | 0.2~3M (Spacing 10/20/40/60mm can be customized to 30M) | Temperature of storage | -40~+70℃ |
| Optical axis spacing | 5mm/10mm/20mm/40mm/60mm | Working humidity | 35%RH~85%RH |
| Power | 3~8W | Resistance to light interference | 10000Lux |
| Power supply | 24V±10% | Protection of circuit | Reverse protection/output short circuit protection |
| Output method | NPN/PNP | Light curtain form | Relative expression |
| Response time | ≤10ms | ||
Example
Application on die-casting machines Application on die-casting machines
Schematic diagram of optical axis spacing

Selection list
Optical axis spacing is 5mm (protection distance: 0.2 ~ 3m)
| Optical axis spacing | 5mm | ||||||||||||
| Number of optical axis | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | 80 | 88 | 96 | |
| Protection height (mm) | 35 | 75 | 115 | 155 | 195 | 235 | 275 | 315 | 355 | 395 | 435 | 475 | |
| Light curtain height (mm) | 141 | 161 | 201 | 241 | 281 | 321 | 361 | 401 | 441 | 481 | 521 | 561 | |
Optical axis spacing is 10mm (protection distance: 0.2 ~ 3m; Can be customized to 30m)
Optical axis spacing | 10mm | |||||||||||||||||
Number of optical axis | 4 | 6 | 8 | 1 0 | 1 2 | 14 | 1 6 | 1 8 | 2 0 | 22 | 24 | 2 6 | 28 | 30 | 3 2 | 3 4 | 36 | 38 |
Protection height(mm) | 30 | 50 | 70 | 90 | 110 | 130 | 150 | 170 | 190 | 210 | 230 | 250 | 270 | 290 | 310 | 330 | 350 | 370 |
Light curtain height(mm) | 141 | 141 | 161 | 181 | 201 | 221 | 241 | 261 | 281 | 301 | 321 | 341 | 361 | 381 | 401 | 421 | 441 | 461 |
Optical axis spacing | 10mm | ||||||||||||||||
Number of optical axis | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | 72 |
Protection height(mm) | 390 | 410 | 430 | 450 | 470 | 490 | 510 | 530 | 550 | 570 | 590 | 610 | 630 | 650 | 670 | 690 | 710 |
Light curtain height(mm) | 481 | 501 | 521 | 541 | 561 | 581 | 601 | 621 | 641 | 661 | 681 | 701 | 721 | ![]() 741 | 761 | 781 | 801 |
Optical axis spacing is 20mm (protection distance: 0.2 ~ 3m; Can be customized to 30m)
Optical axis spacing | 20mm | |||||||||||||||||
Number of optical axis | 4 | 6 | 8 | 1 0 | 1 2 | 14 | 1 6 | 1 8 | 2 0 | 22 | 24 | 2 6 | 28 | 30 | 3 2 | 3 4 | 36 | 38 |
Protection height(mm) | 60 | 100 | 140 | 180 | 220 | 260 | 300 | 340 | 380 | 420 | 460 | 500 | 540 | 580 | 620 | 660 | 700 | 740 |
Light curtain height(mm) | 161 | 201 | 241 | 281 | 321 | 361 | 401 | 441 | 481 | 521 | 561 | 601 | 641 | ![]() 681 | 721 | 761 | 801 | 841 |
Optical axis spacing | 10mm | ||||||||||||||||
Number of optical axis | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | 64 | 66 | 68 | 70 | 72 |
Protection height(mm) | 780 | 820 | 860 | 900 | 940 | 980 | 1020 | 1060 | 1100 | 1140 | 1180 | 1220 | 1260 | 1300 | 1340 | 1380 | 1420 |
Light curtain height(mm) | 881 | 921 | 961 | 1001 | 1041 | 1081 | 1121 | 1161 | 1201 | 1241 | 1281 | 1321 | 1361 | ![]() 1401 | 1441 | 1481 | 1521 |
Optical axis spacing is 40mm (protection distance: 0.2 ~ 3m; Can be customized to 30m)
| Optical axis spacing | 40mm | ||||||||||||
| Number of optical axis | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 26 | |
| Protection height (mm) | 120 | 200 | 280 | 360 | 440 | 520 | 600 | 680 | 760 | 840 | 920 | 1000 | |
| Light curtain height (mm) | 241 | 321 | 401 | 481 | 561 | 641 | 721 | 801 | 881 | 961 | 1041 | 1121 | |
Optical axis spacing | 40mm | |||||||||||
Number of optical axis | 28 | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 |
Protection height(mm) | 1080 | 1160 | 1240 | 1320 | 1400 | 1480 | 1560 | 1640 | 1720 | 1800 | 1880 | 1960 |
Light curtain height(mm) | 1201 | 1281 | 1361 | 1441 | 1521 | 1601 | 1681 | 1761 | 1841 | 1921 | 2001 | 2081 |
Optical axis spacing is 60mm (protection distance: 0.2 ~ 3m; Can be customized to 30m)
Optical axis spacing | 60mm | |||||||||||||
Number of optical axis | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 2 | 24 | 26 | 28 | 30 |
Protection height(mm) | 180 | 300 | 420 | 540 | 660 | 780 | 900 | 1020 | 1140 | 1260 | 1380 | 1500 | 1620 | 1740 |
Light curtain height(mm) | 321 | 441 | 561 | 681 | 801 | 921 | 1041 | 1161 | 1281 | 1401 | 1521 | 1641 | 1761 | 1881 |
Attachments
![]() | 1. Transmitting transmission line: 3m 2. Receiving transmission line: 3m |
| Model number | Dimension drawing | Description |
K033C-L2 L2 Side-mounted bracket (standard configuration) | ![]() | 1. L2 side mounting brackets (4 pieces) 2. Gaskets (8 pieces), M4 sliders (4 pieces) 3. Screws: M4 screws (8 pieces) |
K033C-L1 L1 Upper and Lower Mounting Brackets (Optional) | ![]() | 1. L1 side-mounted brackets (4 pieces) 2. Gaskets (4 pieces) 3. Screws: M6 screws (4 pieces) |
Structure Description Table
| Code | Structural description | Code | Structural description | Code | Structural description | Code | Structural description |
| A1 | Upper end cap | A2 | Lower end cover + aviation terminal | B1 | upper blind spot | B2 | lower blind spot |
| D | distance between optical axes | L | Total height of the light curtain | H | Light curtain protection height |
A1=9mm, A2=45mm (including 33mm aviation plug)
| Optical axis spacing D | 5 | 10 | 20 | 40 | 60 |
| B1 | 2.5 | 5 | 10 | 20 | 30 |
| B2 | 29.5 | 32 | 37 | 47 | 57 |
| External drawing | ![]() ![]() |
Distribution diagram

