MAF/S 441-11Y
Item number:103006789
Archive
Product features
- 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 descriptionMAF/S 441-11Y
Article number (order number)103006789
EAN (European Article Number)4030661448251
Approvals - Standards
CertificatesCCC
General data
StandardsEN IEC 60947-5-1
Working principlemechanical
Housing materialGrey cast iron, galvanised
Housing coating materialpainted
Material of the Detection conePlastic
Gross weight1,460g
General data - Features
Number of normally closed (NC)1
Number of normally open (NO)1
Mechanical data
Actuating elementDetection cone
Mechanical lifetime, minimum5,000,000Operations
Note (Mechanical lifetime)Contact life: 10 million operations at 1A / 400V, cos ᵠ = 0.4
Actuating force14N
Contact openingmax. 2 x 2.5 mm
Actuating speed, minimum1mm/min
Actuating speed, maximum1m/s
Mechanical data - Connection technique
Cable entry2 x M20 x 1,5
Cable section, minimum1.5 mm²
Cable section, maximum2.5 mm²
NoteAll indications including the conductor ferrules.
Wire cross-section, maximum13AWG
Terminal (mechanical)Screw connection
Mechanical data - Dimensions
Length of sensor61mm
Width of sensor106mm
Height of sensor438mm
Diameter of the Detection cone90mm
Diameter of the ISO-threadM4
Ambient conditions
IP Degree of protectionIP65
Ambient temperature-30 ... +90 °C
Ambient conditions - Insulation values
Rated insulation voltage Ui250 VAC
Rated impulse withstand voltage Uimp4kV
Electrical data
Thermal test current16A
Rated operating voltage400VAC
Operating current4,000mA
Utilisation category AC-15250VAC
Utilisation category AC-154A
Switching element1 NO contact, 1 NC contacts
Note (Switching element)galvanically separated contact bridges
Switching principleSnap action
Bounce duration, maximum5ms
Maximum switching frequency3,000/h
Switchover time, maximum35ms
Material of the contacts, electricalSilver
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 on: 09/07/2026, 03:26 AM