Description

SCHMERSAL-ML 441-11Y-T-M20

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

• Ordering data

  Product type description	MK 441-11Y
  Article number (order number)	101058945
  EAN (European Article Number)	4030661034287
  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

  DNV CCC EAC

  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

SCHMERSAL-ML 441-11Y-T-M20

-ML 441-11Y-T-M20

– ML 441-11Y-T-M20 SCHMERSAL