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KJT-Direct-acting plunger type explosion-proof travel limit switch
KJT-Direct-acting plunger type explosion-proof travel limit switch
KJT-Direct-acting plunger type explosion-proof travel limit switch
KJT-Direct-acting plunger type explosion-proof travel limit switch

KJT-Direct-acting plunger type explosion-proof travel limit switch

  • 1.:Suitable for explosive gas environment zones 1 and 2
  • 2.:Suitable for combustible dust environment zones 21 and 22
  • 3.:Suitable for Class IIA, lB, C explosive gas environments
  • 4.:Suitable for environments with temperature groups T1~T6
  • 5.:Widely used in explosive hazardous places such as petroleum refining, storage, chemical industry, medicine, etc.
  • 6.:For position signal feedback in electrical control systems

      KJT explosion-proof travel switches are mainly used in hazardous places to control the on-off travel of moving parts. Explosion-proof mark Ex demb II C T6 Gb, composite explosion-proof is safer and suitable for various harsh environments; there are more than ten specifications such as roller arm type, adjustable rod type, pressure plunger and roller pressure column type.

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○ The shell is made of aluminum alloy high-pressure casting, and the surface is shot blasted and then sprayed with high-voltage electrostatic spray;

○ Built-in explosion-proof and explosion-proof travel switch components;

○ The switch component shell is injection molded from flame-retardant engineering plastics, and the joint surface is ultrasonic welded:

○ The overall dimensions and related technical parameters comply with the European standard EN50041 and have good interchangeability;

○ Prevent the wiring screws from falling off, making it convenient for users to install and maintain;

○ The shell, cover, rotating shaft, and introduction device adopt sealing and compression design in many places, which effectively improves the protection level;

○ The installation method is unique, flexible and diverse, fully considering the user’s on-site installation;

○ It has good waterproof and dustproof characteristics;

○ Steel pipe or cable routing.

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Implementation standardsGB 3836.1, GB 3836.2, GB 3836.3, GB12476.1, GB12476.5, IEC60079-0, IEC60079-1, IEC60079-7, IEC61241-0, IEC61241-1 Explosion-proof mark: (Ex d e lIC T6 Gb/Ex tD A21 IP66 T80C
Rated voltageAC220/380V
Rated current5A
Contact type一NO一NC
Protection levelIP66
Anti-corrosion levelWF1
Introduction specificationsM20 x1.5
Applicable cable outer diameterD6mm~D9mm


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