TPR22-PR-EX Pull Cord Switch


  • Ex Zone 21 and 22 Zone
  • BMC Composite Body is not oxidized
  • 2x50m Right and Left Rope Connection Distance
  • 3NO / 3NC Snap Action Contact Structure
  • IP68 Protection Class
  • It has CE and EAC Standards.
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TPR22-PR-EX Pull Cord Switch

TPR22-PR-EX PullCord Switch(also called a rope switch) is a conveyor belt safety accessory designed to check and shut down conveyor systems in the event of a conveyor belt misalignment.

TPR22-PR-EX series of conveyor belt pull cord switch do not require maintenance.

Materials used:

The Body structure is made of BMC composite material and it is resistant to corrosion and oxidation. Shaft mechanisms are made of stainless steel and Arm mechanisms are made of hard plastic.

Uses and Applications:

It can be mounted on the application area with a steel rope. Also, it can operate by moving on one side or on both sides. If the ropes are pulled from one direction, the system is locked and the switches go to the stop position, then it is returned to normal with Manual reset.

Safety Features:

Products have IP68 protection class can work in the dustiest and dirty environments. The heavy-duty rugged design makes them suitable for most industrial applications.

General Description:

Dimensions are 2x50 meters standard distance to the right and left. It has a 1NO + 1NC contact structure in the standard.

Available modifications as per request:

-           The alarm and signal lights can be added to all models

-           It can be used at the longer distances

-           3NO + 3NC contact structure can be applied

Certifications and Standards:

The microswitch used in products is VDE approved. All KBT Electric products are produced in accordance with CE and EAC standards.

Technical Specifications

Enclosure BMC (Durable Composite)
Micro Switch Rating 400 VAC 6A / 230 VAC 8A / 24 VDC 10A
Output Signal (1) SPDT shutdown, alarm can be added upon request.
Cable Gland 2 x M25
Temperature Rating -30°C to +85°C
Contact Angle 25°
Rope Length 2 x 50-65 metres
Contact Type Snap-action
Protection Class IP6X / IP68
Enclosure Color Black (RAL 9005)
Weight 2.1 Kg
Mounting Orientation It is suitable for double-sided use.
Impact Rating IK09 (EN 62262)
Warranty Period 36 Months

Safety Standards

Electrical Safety EN 60947
Mechanical Safety EN 60204
Outdoor Safety EN 60529
Impact Resistance EN 62262
Certificates CE, EAC
Micro switches are VDE approved.


Without Reset Lever
Bus Security Interface
Custom Contact Angles
Mounting Bracket
Signal Light and Alarm

Ex Definition

II 2D Ex tb IIIC Db T85°C    IP66/68 

Model Specifications


Contact Structure Optional
NC NO Signal Alarm+Signal
TPR22-PR-EX 1 1 (LGT) (ALGT)
TPR22-PR-22-EX 2 2 (LGT) (ALGT)
TPR22-PR-33-EX 3 3 (LGT) (ALGT)

Spare Parts

Model Features
KB-826-EX 1NO+1NC Switch
KB-R-01-EX M25x1,5 Cable Gland
KB-KT-01-EX M25 Blind Plug
KB-4-KN-EX 4 Pin Connector
BA-11 Mounting Bracket (Can be made in custom dimensions) 
KB-TGV-01-EX Enclosure
TSR-42-PRP-EX Rope Connection Arm
KB-PM-EX  Reset Lever