SCHMERSAL-ML 441-11Y-T-M20 LIMIT SWITCH ( POSITION SWITCH )
SCHMERSAL-ML 441-11Y-T-M20
LIMIT SWITCH ( POSITION SWITCH ) , METAL, ROLLER LEVER, 1NO 1NC SNAP ACTION, M20, -40 TO 200 DEGREES C
Heavy duty limit switch, with Metal Roller Lever Features:
- Actuator head can be repositioned in steps 4 x 90°
- Galvanised cast iron enclosure
- Continuous adjustment of lever position 360°
- Lever can be transposed by 180°
- 2 Contacts – snap action
- HxWxD – 99 mm x 106 mm x 63 mm (body) + 192 mm with actuator
- Different positions on the shaft
- Protection class IP65
- 2 cable entries M20 x 1.5
| GENERAL DATA | |
|---|---|
| Standards | EN IEC 60947-5-1 |
| Working principle | mechanical |
| Slide form | Castor |
| Enclosure material | Grey cast iron, galvanised |
| Enclosure coating material | painted |
| Material of the contacts, electrical | Silver |
| Gross weight | 1,280 g |
| GENERAL DATA – FEATURES | |
|---|---|
| Number of normally closed (NC) | 1 |
| Number of normally open (NO) | 1 |
| SAFETY CLASSIFICATION – SAFETY OUTPUTS | |
|---|---|
| B10D Normally-closed contact (NC) | 2,000,000 Operations |
| MECHANICAL DATA | |
|---|---|
| Actuating element | Offset roller lever |
| Roller material | Plastic |
| Mechanical life, minimum | 5,000,000 Operations |
| Actuating angle, from left of switch axis | 45 ° |
| Actuating angle, from right of switch axis | 30 ° |
| Contact opening | 2 x 2.5 mm |
| Actuating speed, minimum | 1 mm/min |
| Actuating speed, maximum | 0.5 m/s |
| Note (Actuating speed) | Actuating speed with vertical actuating angle to switch axis |
| MECHANICAL DATA – CONNECTION TECHNIQUE | |
|---|---|
| Termination | Screw terminals M20 x 1.5 |
| Cable section, minimum | 1.5 mm² |
| Cable section, maximum | 2.5 mm² |
| Note (Cable section) | All indications including the conductor ferrules. |
| Wire cross-section | 13 AWG |
| MECHANICAL DATA – DIMENSIONS | |
|---|---|
| Length of sensor | 63 mm |
| Width of sensor | 106 mm |
| Height of sensor | 173 mm |
| Width of Castor | 6.5 mm |
| Diameter of Castor | 25 mm |
| AMBIENT CONDITIONS | |
|---|---|
| Degree of protection | IP65 |
| Ambient temperature, minimum | -30 °C |
| Ambient temperature, maximum | +90 °C |
| AMBIENT CONDITIONS – INSULATION VALUES | |
|---|---|
| Rated insulation voltage Ui | 250 V |
| 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 |
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