TPR22-PR Pull Cord Switch


  • BMC Composite Body is not oxidized
  • It is resistant to blow and heavy conditions.
  • 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 Pull Cord Switch

TPR22-PR(XX) Pull Cord Switch (also called a rope switch) is a conveyor belt safety accessory designed to check and shut down conveyor systems TPR22-PR(XX) 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 of a conveyor. 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. Suitable for most industrial applications like conveyor belt at coal mining , cement plant , iron&steel  factory , thermal power plants, etc..

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 5A
Output Signal​ (1) SPDT shutdown, alarm can be added upon request.
Cable Gland 2 x M25
Temperature Rating -55°C to +100°C
Contact Angle 25° 
Rope Length 2 x 50-65 metres
Contact Type Snap-action
Protection Class​ IP68
Enclosure Color Red (RAL 3020)
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
Micro switches are VDE approved.


ATEX Zone 21 / Zone 22
Without Reset Lever
Bus Security Interface
Custom Contact Angles
Mounting Bracket
Custom Arm Dimensions
Signal Light and Alarm

Model Specifications


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

Spare Parts

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


What is pull cord switch in conveyor?

While the pull rope emergency stop switch is used to provide safety, this safety is necessary for both personnel and protecting the conveyor belt and all equipment around it. No matter the length or width of the conveyor belt system, it needs an emergency stop switch. Conveyor belt slippage or a completely different mechanical failure also increases the need for an emergency stop switch.

The conveyor pull rope switch is also known as the pull cord stop switch. The rope system in this switch, which has a cord, provides stopping. In order for the cord switch to stop the system, the rope is pulled and the system stops in this way. This is essential in order to protect the system, personnel and the entire facility in the event of a possible damage. Emergency stop switches in the conveyor belt system prevent large scale spreads and all material and moral damages.

There are 4 types of belt conveyor pull cord switches. It varies due to the differences in them. In particular, the contact structure may vary. Although the standard contact structure is 1NO+1NC, this contact structure can be up to 3NO+3NC contact structure. Rope safety switches made of stainless steel or aluminum body have top quality materials. Emergency Stop Systems, which is not likely to rust due to the areas and facilities it is used in, is diversified due to the width of its service area. At the same time, all pull cord emergency stop switches are prepared and durable against weight and impact.

Each product has different standards. There is also the preferred wire emergency stop switch with its mounting structure suitable for USA field facilities, such as the products with CE and EAC standards. Standards are important in the rope system. It also varies depending on the conveyor belt or the machine.

Safety rope switches is divided into two main headings. One of them is the ones that are pulled by hand, while the other is those that are taken with a remote control. In the pull rope emergency stop switch, the cord is pulled and the system is reset. In this way, the best precautions are taken against explosions and many mechanical problems. For the assembly of rope emergency stop switches, the use of connection accessories, which are also a KBT product, will facilitate the installation and make it the most robust.