MAF/S 441-11Y
MAF/S 441-11Y
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| Product type description: (1)(2) 441-11Y(3)-(4)-(5) |
| (1) | |
| T | Slow action (not for AF/S) |
| M | Snap action |
| (2) | |
| S | Plunger S |
| 2S | Telescopic plunger 2S |
| R | Roller plunger R |
| K | Offset roller lever K |
| J | Offset roller lever J |
| 2C | Fork lever 2C |
| L | Roller lever L |
| D | Roller lever D |
| MAF/S | Level switch AF/S |
| (3) | |
| UE | Slow action with overlapping contacts |
| (4) | |
| without | Cast iron enclosure |
| A | Aluminium enclosure |
| (5) | |
| T | temperature-resistant and tropical version with ceramic insulation for -40 °C … +200 °C |
| 1276-2 | Gold-plated contacts |
- Level switch for silos and storage containers
- Aluminium enlosure, Detection cone
- Can be actuated from any direction
- Disabling at 30° deflection or in case of pressure from the bottom
- 1 Normally open contact (NO) / 1 Opener (NC)
- Mounting position vertical
- Ambient temperature −30 … +90
- Protection class IP65
Ordering data
| Product type description |
MAF/S 441-11Y |
| Article number (order number) |
103006789 |
| EAN (European Article Number) |
4030661448251 |
| eCl@ss number, version 12.0 |
27-27-06-01 |
| eCl@ss number, version 11.0 |
27-27-06-01 |
| eCl@ss number, version 9.0 |
27-27-06-01 |
| ETIM number, version 7.0 |
EC000030 |
| ETIM number, version 6.0 |
EC000030 |
Approvals - Standards
| Certificates |
CCC |
General data
| Standards |
EN IEC 60947-5-1 |
| Working principle |
mechanical |
| Housing material |
Aluminium |
| Housing coating material |
painted |
| Material of the Detection cone |
Plastic |
| Gross weight |
1,460 g |
General data - Features
| Number of normally closed (NC) |
1 |
| Number of normally open (NO) |
1 |
Mechanical data
| Actuating element |
Detection cone |
| Mechanical lifetime, minimum |
1,000,000 Operations |
| Actuating force |
14 N |
| Actuating speed, minimum |
1 mm/min |
| Actuating speed, maximum |
1 m/s |
Mechanical data - Connection technique
| Termination |
Screw terminals M20 x 1.5 |
| Cable section, minimum |
1.5 mm² |
| Cable section, maximum |
2.5 mm² |
| Note |
All indications including the conductor ferrules. |
Mechanical data - Dimensions
| Length of sensor |
61 mm |
| Width of sensor |
106 mm |
| Height of sensor |
438 mm |
| Diameter of the Detection cone |
90 mm |
Ambient conditions
| Degree of protection |
IP65 |
| Ambient temperature |
-30 ... +90 °C |
Ambient conditions - Insulation values
| Rated insulation voltage Ui |
250 VAC |
| Rated impulse withstand voltage Uimp |
4 kV |
Electrical data
| Thermal test current |
16 A |
| Utilisation category AC-15 |
250 VAC |
| Utilisation category AC-15 |
4 A |
| Switching element |
NO contact, NC contact |
| Note (Switching element) |
galvanically separated contact bridges |
| Switching principle |
Snap action |
| Bounce duration, maximum |
5 ms |
| Switchover time, maximum |
35 ms |
| Material of the contacts, electrical |
Silver |
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Datasheet
Operating instructions and Declaration of conformity
Declaration of conformity (EC)
CCC certification
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Product picture (catalogue individual photo)
ID: kt441f11
| 446.7 kB | .jpg | 352.778 x 934.508 mm - 1000 x 2649 px - 72 dpi
| 105.6 kB | .png | 74.083 x 196.144 mm - 210 x 556 px - 72 dpi
| 18.6 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi
| 3.7 MB | .png | 169.333 x 448.564 mm - 2000 x 5298 px - 300 dpi
| 21.5 kB | .jpg | 46.567 x 123.47200000000001 mm - 132 x 350 px - 72 dpi
Dimensional drawing basic component
Contact closed
Contact open
Setting range
Latching point
Positive opening path/angle| EU Declaration of Conformity |  |
| Original | ACE Schmersal Eletroeletrônica Industrial Ltda. Av. Brasil, nº 815 Jardim Esplanada CEP: 18557-646 Boituva - SP Brazil Internet: www.schmersal.com.br |
| Declaration: | We hereby certify that the hereafter described components both in their basic design and construction conform to the applicable European Directives. |
| Name of the component: | MAF/S 441 |
| Type: | See ordering code |
| Description of the component: | Level switch for bulk materials |
| Relevant Directives: | Low Voltage Directive | 2014/35/EU |
| RoHS-Directive | 2011/65/EU |
| Applied standards: | EN 60947-5-1:2017 + AC:2020 |
| Person authorised for the compilation of the technical documentation: | Oliver Wacker Möddinghofe 30 42279 Wuppertal |
| Place and date of issue: | Boituva, August 18, 2023 |
 |
| Authorised signature Marco Antonio De Dato Head of Engineering and Design |
Schmersal, Inc., 15 Skyline Drive, NY 10532 Hawthorne
The details and data referred to have been carefully checked. Images may diverge from original. Further technical data can be found in the manual. Technical amendments and errors possible.
Generated at: 2026-04-17, 6:33 p.m.