Key Switches & Fixture Accessories > Auxiliaries

EM21 Proximity Switch

The EM21 Magnetic Proximity Switch provides accurate car position signals for lift control systems. Compact yet rugged, it fits within standard T-guide depths and operates via a steel vane passing through its sensing arms, ensuring reliable performance in demanding environments.

Key Features

Heavy-duty magnetic proximity switch for precise car positioning. Compact design with long operational life and EN81 compliance.

  • Accurate position sensing — triggered by steel vane movement.
  • Compact design — fits within standard T-guide depth.
  • Long service life — rated for over 20 million operations.
  • Wide operating speed range — 0.01m/sec to 2.5m/sec.
  • Durable construction — IP32 protection and polycarbonate housing.

How can we help?

Dewhurst partners with Lift Installers, Property Managers, Consultants and Architects to create safer, smarter and more efficient building environments. Our trusted products and technical insight help you design, specify and maintain lift systems that meet the highest standards of performance and reliability.