2. Product Overview
  3. Rotary encoders / angle sensors
  4. HeavyDuty speed switches / monitors
  5. Electronic speed switches
  6. ES 90
Technical data
Technical data - electrical ratings
Switching accuracy
  • ± 4 % (≤1500 rpm)
  • ± 2 % (>1500 rpm)
Switching hysteresis
  • = 30 % of switching speed
Switching outputs
  • 1 output, speed control
Output switching capacity
  • ≤6 A / 250 VAC
  • ≤1 A / 48 VDC
  • (EAC: <50 VAC / 75 VDC)
Minimum switching current
  • 100 mA
Switching delay time
  • ≤40 ms
Interference immunity
  • EN 61000-6-2
Emitted interference
  • EN 61000-6-3
Approval
  • CE
Technical data - mechanical design
Size (flange)
  • ø115 mm
Shaft type
  • ø11 mm solid shaft
Flange
  • EURO flange B10
Protection EN 60529
  • IP 55
Speed (n)
  • ≤6000 rpm
Range of switching speed (ns)
  • 650...6000 rpm
Operating torque
  • ≤2 Ncm
Rotor moment of inertia
  • 0.125 kgcm²
Admitted shaft load
  • ≤150 N axial
  • ≤250 N radial
Operating temperature
  • -20...+85 °C
Weight approx.
  • 1.3 kg
Connection
  • Terminal box
Material
  • Housing: aluminium die-cast
  • Shaft: stainless steel
Downloads
Data sheet
Operating Manual
Declaration of conformity

Accessories
Mounting accessories
The selected altAttribute does not exist! Spring disk coupling K 35 (shaft ø6...12 mm)
  • High quality torsionally stiff and backlash free coupling
  • Compensating of mounting errors
  • Balanced torsional rigidity (torsional spring constant)
  • Protection against shaft currents with an insulated hub on non-drive end (ø11 H7)
  • Additional key possible
The selected altAttribute does not exist! Spring disk coupling K 50 (shaft ø11...16 mm)
  • High quality torsionally stiff and backlash free coupling
  • Compensating of mounting errors
  • Balanced torsional rigidity (torsional spring constant)
  • Protection against shaft currents with an insulated hub on non-drive end (ø11 H7)
  • Additional key possible
The selected altAttribute does not exist! Spring disk coupling K60 WD 11PF4 + 12PF4
For encoder with solid shaft

Article no.: 11064874
  • High quality torsionally stiff and backlash free coupling
  • Compensating of mounting errors
  • Balanced torsional rigidity (torsional spring constant)
  • Form-fit connection thanks to keyway
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