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

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
  • Product Detail

 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
model TK 441-11Y
Principle of action Mechanical
Shell raw materials Gray cast iron, galvanized
Contact material silver
gross weight 1,335g
Normally closed quantity (NC) 1
Normally open quantity (NO) 1
B 10D normally closed contact (NC) 2,000,000 operations
operating units Offset roller lever
Roller material plastic
Mechanical life 10,000,000 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 circuit 2×6mm
Minimum drive speed 1mm/min
Maximum action speed 0.5m/sec
Notice Action speed: Driving speed of the vertical drive angle switching axis
Circuit connection Screw connection M20 x 1.5
Minimum cable cross-section 1.5mm²
Maximum cable cross section 2.5mm²
Notice Cable part: including conductor ferrules
Wire cross section 13 AWG
Product Size
length, width and height 63mm*106mm*173mm
Caster width 6.5mm
Caster diameter 25mm
Application environmental conditions
Protection level IP65
ambient temperature -30 ... +90°C
Rated insulation voltage 400 VAC
Rated impulse withstand voltage 6kV
Electrical data
Thermal test current 16A
Application categories AC-15: 400 V / 4 A
switching element Normally open contact, normally closed contact
Switching principle slow 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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