When you are looking for an encoder switch with high performance and high variety, with Elma encoder switches you are at the right place.

Our switches are designed for high reliability and lifetime. Where other switches reach their performance limits is where ours (really) start.

We provide mechanical and optical contact system solutions.


For further enquiries, prices, samples and deliveries please contact our office on sales@4most.co.uk or +44 (0)1371 811171.

E18 mechanical incremental encoder

E18 mechanical incremental encoder

The E18 product family is designed with the most variable and most common market known features. It has the same and market usual footprint like our other encoders, but with a better performance (re-flow ability, higher life time, etc.).

Main features

  • Body size: 14.4 x 11.4 x 6.5 mm
  • Rotational life: Up to 150’000 revolutions
  • Resolution: 16, 24 or 30 detents
  • Detent torque: 0.5, 1.5 or 2.5 Ncm
  • With or without push button
  • Push force: 3 N, 6 N
  • Gold plated sliding contacts
  • IP60 and IP68 shaft sealing available
  • Various shaft types in brass and stainless steel available
  • Reflow ability
  • Various options and customizations possible

Possible Customization

  • Shaft dimension and shape
  • Detent torque
  • Front panel sealing
Applications

  • White goods applications - Household applications - Home automation - Two way radio applications - Power and heat distribution controls - Water distribution controls - Industrial controllers - Audio and entertainment systems

Encoder Type E20-E27

Encoder Type E20-E27

Rotational life: Up to 100,000 revolutions

  • Standard resolution 16 or 30 detent
  • With or without integrated push button 
  • Rotational life: 100,000 revolutions 
  • Switching torque 0.5, 1.5 or 2.5 Ncm 
  • Gold plated contacts 
  • Optional front panel sealing IP65 
  • Operating temperature range: -30 to +85°C

Encoder Type E33

Encoder Type E33

Rotational life: Up to 1,000,000 revolutions

  • 16 or 32 detents standard resolution
  • With or without integrated push button up to 14 N
  • Excellent indexing feel with 0.5, 1.5, 2.0, 2.5, 3.0, 3.5 or 4.5 Ncm switching torque (remains consistent over lifetime)
  • Gold plated contacts
  • Robust metal housing with metal shaft
  • 11.5 x 12.3 x 4.9 mm body size
  • Optional IP68 front panel sealing
  • Operating temperature range: -40 to +85°C
  • Various options and customization
  • RoHS compliant
  • MIL-STD-202G compliant
  • SWISS CLICK INDEXING SYSTEM

Dual Concentric Encoder Type E37

Dual Concentric Encoder Type E37

Rotational life: Up to 1,000,000 revolutions

  • Dual concentric: Two encoders - one space
  • 16 or 32 detents standard resolution
  • With (6 N) or without integrated push button
  • Excellent indexing feel with 0.5, 1.5, 2.0, 2.5, 3.0, 3.5 or 4.5 Ncm switching torque (remains consistent over life)
  • Gold plated contacts
  • Robust metal housing with metal shaft
  • 11.5 x 12.3 x 9.1 mm body size
  • Optional IP68 front panel sealing
  • Operating temperature range: -40 to +85°C
  • Various options and customization
  • RoHS compliant
  • MIL-STD-202G compliant
  • SWISS CLICK INDEXING SYSTEM