Product List

KJT-TK 441-11Y Heavy Duty Travel Limit Switch
KJT-TK 441-11Y Heavy Duty Travel Limit Switch

KJT-TK 441-11Y Heavy Duty Travel Limit Switch

  • ● :2 cable entries M 20 x 1.5
  • ● :Actuator head repositionable 4 x 90°
  • ● :metal shell
  • ● :106mm x 99mm x 63mm (basic assembly)
  • ● :Protection grade IP65

         KJT heavy-duty limit switch is a mechanical control switch, which is used for conveyor belt deviation prevention, crane over-roll protection, and rope pull switch. Taking advantage of its high reliability, it is widely used in steel equipment, large conveying machinery, loading and unloading machinery and cement equipment. Resistant to harsh environments. The glass sealed contacts are filled with inert gas and are not affected by the environment. Resistant to vibration, impact, and wide range of applications.

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Product parameters
modelTK 441-11Y
Principle of actionMechanical
Shell raw materialsGray cast iron, galvanized
Contact materialsilver
gross weight1,335g
Normally closed quantity (NC)1
Normally open quantity (NO)1
B 10D normally closed contact (NC)2,000,000 operations
operating unitsOffset roller lever
Roller materialplastic
Mechanical life10,000,000 operations

action angle,

Counting from the left side of the switch shaft

45°

action angle,

Counting from the right side of the switch shaft

30°
contact open circuit2×6mm
Minimum drive speed1mm/min
Maximum action speed0.5m/sec
NoticeAction speed: Driving speed of the vertical drive angle switching axis
Circuit connectionScrew connection M20 x 1.5
Minimum cable cross-section1.5mm²
Maximum cable cross section2.5mm²
NoticeCable part: including conductor ferrules
Wire cross section13 AWG
Product Size
length, width and height63mm*106mm*173mm
Caster width6.5mm
Caster diameter25mm
Application environmental conditions
Protection levelIP65
ambient temperature-30 ... +90°C
Rated insulation voltage400 VAC
Rated impulse withstand voltage6kV
Electrical data
Thermal test current16A
Application categoriesAC-15: 400 V / 4 A
switching elementNormally open contact, normally closed contact
Switching principleslow movement
Precautions
Starting from the right side should be avoided as this shortens the mechanical life of the position switch


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NOTE Switch travel diagram

触点闭合  Contact closed

触点打开  Contact open

设置范围  Set range

断点  breakpoint

肯定打开顺序/角度  Definitely opening order/angle

VS   NO contact adjustment range

  NC contact adjustable range

N   After the trip


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