NSR55-BM Limit Switch – Conveyor Belt Alingment Switch

NSR55-BM

  • Metal Casting Body
  • IP65 Protection Class
  • 2NO / 2NC Contact Structure
  • CE, EAC Standards
  • 3 Years Replacement Warranty
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NSR55-BM Limit Switch – Conveyor Belt Alingment Switch

NSR55-BM Belt Misalignment Switches are designed to alarm and/or shut down a conveyor system in the event of belt drift and misalignment. They are mounted on both sides of the conveyor belt, with roller arm of the switch positioned 15 cm away from the belt. As the belt starts drifting into either side, it will first contact with the switch arm. Arm will roll without distrupting the belt. If belt continues to drift further the switch arm will rotate and actuate microswitches at specified angles.

The product is suitable for reliable long term usage in most industrial applications due to its durable design. Anti-static powder coated zinc alloy enclosure is resistant to corrosion. Shaft and arm mechanisms are made of stainless steel and all internal parts are metal cast. NSR55-BM series products do not require any maintenance.

The switch arm actuates the alarm switch at 15° angle. If the belt continues to drift and the switch arm rotates until 18°, the second microswitch will be actuated and the system will stop. Can be customized with both switches working at the same angle.

All models conform to CE (European Union) and EAC (Eurasian Customs Union) standards. Microswitches used in these products are VDE approved.

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Technical Specifications

Enclosure Zinc Alloy
Micro Switch Rating 240 V 3A
Output Signal (2) SPDT Alarm and Stop
Cable Entry PG13,5
Temperature Rating -40°C to +80°C
Contact Angles 15° and 18°
Max. Contact Angle -90 ° / 90 °
Protection Class IP65
Enclosure Color Red (RAL 3020)
Weight 1.15 kg
Mounting Orientation It is suitable for double-sided use.
Mechanical Endurance 300000 cycles
Impact Rating IK09 (EN 62262)
Warranty Period 24 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.

Options

ATEX Zone 21 / Zone 22
Bus Security Interface
Custom Contact Angles
Mounting Bracket
Custom Arm Dimensions

Model Specifications

Model Alarm Stop
NC NO Angle NC NO Angle
NSR55-BM 1 1 15° 18° 

What is Limit Switch?

The limit switches produced by KBT Elektrik provide belt security by stopping the belt system and giving an alarm against the mishaps that may occur in the conveyor belt system. Our limit switch products increase machine and human safety to the highest level by instantly intervening in the problems that may occur in the enterprises where band systems are used. Thus, material damages in the system are prevented. NSR55-BM series, which we produce as limit switches (specific limit switches), is suitable for heavy industrial conditions. Corrosion-resistant cast metal is used in the body. The handle mechanism is made of stainless steel. With the IP65 class, the products are resistant to dust and water. We recommend our NSR55-BM series product to prevent misalignment of the belt in the conveyor belt system.

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