NSR55-PS3 Spring Return Roller Lever Limit Switch


  • Cast Aluminum Body
  • IP65 Protection Class
  • 2NO / 2NC Contact Structure
  • CE, EAC Standards
  • 3 Years Replacement Warranty
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NSR55-PS3 Spring Return Roller Lever Limit Switch

NSR55-PS3 Spring Return Roller Lever Limit Switches are designed for conveyor systems, hoisting or machine handling applications. Adjustible arm length offers flexibility with your installation. Thermoplastic roller eliminates friction in contact points to ensure a smooth and sound operation. Offers a light, compact and effective solution for your applications.

The product is suitable for reliable long term usage in most industrial applications due to its durable design. Anti-static powder coated aluminium cast enclosure is resistant to corrosion. Arm mechanism is made of metal and roller is thermoplastic. All internal parts are metal cast. NSR55-PS3 series products do not require any maintenance.

The contact structure is 2 x 1NO+1NC. Maximum arm displacement is 55° in either direction. There are 2 contact points in per each direction.

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

Technical Specifications

Enclosure Aluminium Casting
Micro Switch Rating 240 V 3A
Output Signal (2) SPDT Stop
Cable Entry PG13,5
Operating Temperature -40˚C to +80˚C
Contact Angles -55˚ and +55˚
Protection Class IP65
Enclosure Color Red (RAL 3020)
Weight 1.1 Kg
Mounting Type Suitable for double-sided use.
Mechanical Durability 10000000 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 Safety EN 62262
Certificates CE, EAC
Micro switches are VDE approved.


Bus Safety Interface
Custom Contact Angles
Mounting Brackets
Custom Arm Length

Model Specifications

Model Stop
NSR55-PS3 2 2