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KJT- KA-3212 Double circuit vertical travel Limit switch

Limit switch

KJT- KA-3212 Double circuit vertical travel Limit switch

  • Structural features:Double-circuit travel switch, stable and reliable, small in size, economical and practical
  • Shell material:Made of zinc alloy and reinforced plastic, sturdy structure
  • Protection level:IP66 protection, waterproof, oil-proof and dust-proof construction
  • internal structure:The built-in micro switch has a double reed design structure and has a long mechanical life.
  • Application scenarios:Suitable for drip-proof and splash-proof occasions, such as three-dimensional garages, CNC machine tools, printing machinery, etc.
  • Product Detail

★Double-circuit type travel switch, widely used

★Sturdy structure, composed of zinc alloy and reinforced plastic

★Small size, waterproof and oil-proof

★The built-in micro switch has a double reed structure design and has a longer mechanical life.

★With larger OT actions

★Conduit design for easy wiring

★Many types of actuators, easy to use

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Model KJT 3205 3208 3209 3212 3213 3214 3267 3268 3270 3289
Operating force OF(max) 750G-CM 750G-CM 750G-CM 750G-CM 900G-CM 900G-CM 150G 150G 150G 550G-CM
Resilience RF(Min) 100G-CM 100G-CM 100G-CM 200G 200G 200G 30G 30G 30G 100G-CM
Pre-trip PT(Max) 20 20 20 1.8mm 1.8mm 1.8mm 30mm 30mm 30mm 20
Trigger position Target(±10%) 22.5° 22.5° 22.5° 2.0mm 2.0mm 2.0mm 22.5° 22.5° 22.5° 22.5°
Stroke movement resolution MD(Max) 10 10 10 1.2mm 1.2mm 1.2mm 14 14 14 14
Aftertouch OT(Min) 75 75 75 4.0mm 4.0mm 4.0mm 20mm 20mm 20mm 75
Cumulative total trip TT(min) 95 95 95 5.8mm 5.8mm 5.8mm 50mm 50mm 50mm 95


Double disconnect mechanical function INO+INC force disconnect buckle action forced disconnect fast movement
Rated voltage/current Rated voltage/current 10(4)A, 125, 250VAC/6(2)A, 380VAC inductive load, residual φ=0.4
contact resistance contact resistance Initial <10mΩ, tested <30mΩ
Insulation resistance 500mΩ minimum at 100VDC
Dielectric strength AC 200VAC/minute between bare metal/terminal, ground and counter pole
Electrical life 500,000 at 10A 250VAC resistive
Mechanical life 20,000,000
operating speed 120 /Minute
Waterproof Or dustproof ability IP66(Pressure water column level)
rising temperature At rated voltage/current, up to 30°C over the entire ambient temperature range
standards CENELEC EN 50041,EN 50047,IEC 337-1,VDE 0660
operating temperature -25°C~+80°C
storage temperature -25°C~+80°C
humidity Maximum 95° relative humidity (no dew)
Impact coefficientImpact resistance Free position 10G Overtravel position 30G
Vibration frequency MAX 55Hz
Terminal screw torque 6-8kg method-cm
Other screw torque Cover 12-14 kg ft cm/head 8-9 kg ft cm/installed 50-60 kg ft/cm
Copper wire size φ2 max
Cable diameter size φ9 Maximum value (if using cable IP 66 φ8-9)

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