Similar Illustration
Canceled
Only CAD model download is supported
Diffuse sensors
Series
21M
Dimension
15 x 50 x 42.5 mm
Interface
PNP NO/NC
Input function
Key disable on/off
Same function as button
Same function as button
Principle of operation
Photoelectric sensor
Recommended alternative
BOS01Z9
Diffuse sensors
BOS 21M-PA-LH23-S4
Availability
How does the alternative product differ from the discontinued one?
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Get in touch with us.
This product page contains information for the USA – Balluff Inc., Florence, KY
Alternative products
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Discontinued
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Recommended alternative
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| BOS 21M-PUS-LH12-S4 | BOS 21M-PA-LH23-S4 | |
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List price
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411.80 USD
List price
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| Series | 21M | 21M |
|---|---|---|
| Dimension | 15 x 50 x 42.5 mm | 15 x 51 x 42.5 mm |
| Interface | PNP NO/NC |
PNP Normally open (NO) PNP Normally closed (NC) |
| Input function |
Key disable on/off Same function as button |
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| Principle of operation | Photoelectric sensor | Photoelectric sensor |
| Principle of optical operation | Diffuse sensor, Triangulation | Diffuse sensor, Triangulation |
| Special optical feature | Background suppression | Background suppression |
| Beam characteristic | Focus, typical at 70 mm | Focus, typical at 400 mm |
| Light type | Laser Red light | Laser Red light |
| Light spot size | Ø 1 mm at focal point | Ø 3 mm at 200 mm |
| Range | 50...100 mm | 1...250 mm |
| Connection | Connector, M12x1-Male, 4-pin | Connector, M12x1-Male, 4-pin |
| Housing material |
Zinc, Die casting, Powder coated Aluminum |
Zinc, Die casting, Powder coated Aluminum |
| Material sensing surface | PMMA | Glass |
| Operating voltage Ub | 10...30 VDC | 10...30 VDC |
| Approval/Conformity |
CE cULus EAC |
CE UKCA cULus WEEE |
Only CAD model download is supported