Schmersal MK 441-11y position switch, S1 content_copy

The MK 441-11Y mechanical position switch with a roller lever is ideal for monitoring and controlling movements in industrial applications. With a robust cast iron construction and long mechanical lifespan, this switch is designed for durability and reliability.

Technical Data:

Product Designation:

• MK 441-11Y

Article Number:

• 101058945

EAN:

• 4030661034287

Certificates:

• INMETRO, CCC

Standards and Regulations:

• EN IEC 60947-5-1

Operating Principle:

• Mechanical

Materials:

• Housing: Cast iron, galvanized
• Housing Coating: Painted
• Roller: Plastic

Weight:

• Gross Weight: 1.463 g

Features:

• Number of NC Contacts: 1
• Number of NO Contacts: 1

Safety Considerations:

• B10D NC: 2,000,000 cycles

Mechanical Data:

• Actuation Element: Roller lever
• Approach Angle: Left: 45°, Right: 30°
• Contact Opening Width: 2 x 2.5 mm
• Actuation Speed: Minimum: 1 mm/min, Maximum: 0.5 m/s
• Note: Actuation speed at a vertical approach angle

Mechanical Lifespan:

• Minimum 5,000,000 cycles

Connection Technology:

• Connection Type: Screw connection M20 x 1.5
• Connection Cross-section: 1.5–2.5 mm² (including ferrules)
• Conductor Cross-section: 13 AWG

Dimensions:

• Length: 63 mm
• Width: 106 mm
• Height: 173 mm
• Roller Width: 6.5 mm
• Roller Diameter: 25 mm

Environmental Conditions:

• Protection Rating: IP65
• Ambient Temperature: -30 °C to +90 °C

Electrical Data:

Thermal Continuous Current: 16 A

Rated Insulation Voltage: 250 VAC

Rated Impulse Withstand Voltage: 4 kV

Voltage (AC-15): 250 VAC, Current: 4 A

Switching Element: 1 NO, 1 NC (galvanically separated contact bridges)

Switching Principle: Snap-action

Bounce Time: Max. 5 ms

Switching Time: Max. 35 ms

Note:

Actuation from the right should be avoided as it reduces the switch’s lifespan.