Products

Ultra EC Slotless Brushless DC Motor

30ECT90 ULTRA EC - Ultra EC Slotless Brushless DC Motor

30ECT90 ULTRA EC

New to our high performance Ultra EC family of motors, is the 30ECT90, designed and optimized to sustain extremely demanding repetive working cyles. This four pole 30ECT90 brushless motor provides high continuous and peak torques in a unique package while maintaining smooth operation and long life. With the 30ECT90, you can sustain a highly demanding work cycle with improved thermal behaviour reflecting impressive torque capabilities offered. The 30ECT90 is well suited for most applications in the power hand tool & industrial markets, enhancing reliability and life.

Motor Highlights

  • 4 pole slotless

  • With digital hall sensors

  • 2 standard lengths available

  • Ultra high torque with increased life

  • Optimized thermal behavior in repetive cycles with high peak load

  • Embedded temperature probe

  • Laser welded front flange

Customization Available

  • Connectors
  • Different coil impedance
  • Shaft lengths & Ø (up to 7mm O.D.)
  • High speed version (30ECT HS)
  • Mechnical integration upon request (housing, front & rear flange)
  • Without hall sensors
  • Encoder capabilities: Magnetic, Absolute Digital, Sine/Cosine options

Applications

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Specification + Detail
Resources
Metric English 
Winding{%|%}unit 30ECT90 10B 4 30ECT90 10B 6 30ECT90 10B 8
Diameter{%|%}in 1.18 1.18 1.18
Diameter{%|%}mm 30 30 30
Length{%|%}in 3.54 3.54 3.54
Length{%|%}mm 90.00 90.00 90.00
Nominal Voltage{%|%}Volt 24.0 36.0 48.0
Optimization Speed 0 0 0
No-Load Speed{%|%}rpm 21,370 21,690 22,100
Typical No-Load Current{%|%}mA 1 050 640 575
Max continuous mechanical power (@ 25°C){%|%}W 244.0 244.0 244.0
Max continuous Current{%|%}A 21.0 14.0 10.4
Max Continuous Torque{%|%}mNm 225.00 221.00 219.00
Max Continuous Torque{%|%}oz-in 31.86 31.29 31.01
Terminal Resistance{%|%}Ω
Output Power{%|%}W
Stall Torque{%|%}oz-in
Stall Torque{%|%}mNm
Efficiency{%|%}%
Speeds up to{%|%}rpm
Torque up to{%|%}oz-in
Torque up to{%|%}mNm
Current up to{%|%}thermal limits
Back-EMF Constant{%|%}V/1000 rpm 1.12 1.66 2.21
Torque Constant{%|%}mNm/A 10.70 15.80 21.10
Torque Constant{%|%}oz-in/A 1.52 2.24 2.99
Motor Regulation R/k²{%|%}10³/Nms
Motor Constant k/R½{%|%}mNm/W½ 63.6 62.4 61.4
Motor constant k/R½{%|%}oz-in/W½ 9.00 8.83 8.70
Internal resistance - phase to phase{%|%}Ω 0.03 0.06 0.12
Line to Line resistance at connectors{%|%}Ω 0.04 0.08 0.13
Inductance - phase to phase{%|%}mH 0.01 0.02 0.03
Friction Torque{%|%}onz-in
Friction Torque{%|%}mNm
Rotor Inductance (mH)
Mechanical Time Constant{%|%}ms 1.1 1.2 1.2
Electrical time constant{%|%}ms 0.27 0.26 0.25
Max motor speed{%|%}rpm 25,000 25,000 25,000
Ambient working temperature range{%|%}°C -30 to +100 -30 to +100 -30 to +100
Ambient working temperature range{%|%}°F -22 to +212 -22 to +212 -22 to +212
Ambient storage temperature range{%|%}°C -40 to +100 -40 to +100 -40 to +100
Ambient storage temperature range{%|%}°F -40 to +212 -40 to +212 -40 to +212
Ball bearings preload{%|%}N 13.5 13.5 13.5
Axial static force without shaft support{%|%}N 134 134 134
Max Winding Temperature (°C)
Max winding temperature{%|%}°C 150 150 150
Max Winding Temperature{%|%}°F
Max winding temperature{%|%}°F 302 302 302
Thermal Resistance{%|%}°C/W 0.7/5.9 0.7/5.9 0.7/5.9
Thermal Time Constant{%|%}s 1659 1659 1659
Operating Temperature Range{%|%}°F
Weight{%|%}oz 13.40 13.40 13.40
Weight{%|%}g 380 380 380
Rotor Inertia{%|%}gcm²
Rotor Inertia{%|%}gcm² 45.0 45.0 45.0
Typical Housing Material Stainless steel Stainless steel Stainless steel
Hall Sensor Elecrical Phasing{%|%}electrical ° 120 120
Absolute accuracy 2 ph. On, Full step mode (degree)
Bearing Type
Detent Torque, Max (mNm)
Detent Torque, Max (oz-in)
Dielectric Withstanding Voltage (VAC)
Holding Torque, MIN (mNm)
Holding Torque, MIN (oz-in)
Inductance per Phase, typ (mH)
Insulation Resistance at 500 VDC (Mohms)
Leadwire
Maximum Coil Temperature (C)
Maximum Coil Temperature (F)
Operating Voltage (VDC)
Rated Current per Phase, 1 Phase ON (A)
Resistance per Phase, ± 10% (Ohms)
Rotor Inertia (oz-in-sec²10^-6)
Continuous Stall Current (A)
Peak Torque for 1s (mNm)
Peak Torque for 1s (oz-in)
Peak Current (A)
Max Axial Shaft Load (N)
Max Axial Shaft Load (oz)
Max Radial Shaft Load (N)
Max Radial Shaft Load (oz)
Shaft Load Max Axial (lb)
Shaft Load Max Axial (N)
Shaft Load Max Radial (lb)
Shaft Load Max Radial (N)
Steps per Revolution
Back EMF Amplitude (V/ksteps/s)
Nominal Phase Current (1 ph. On) (A)
Nominal Phase Current (2 ph. On) (A)
Angular Acceleration (nominal current)
Axial Shaft Play (µm)
Holding Torque Typical (mNm)
Holding Torque Typical (oz-in)
Holding Torque, 1.5x nominal current (mNm)
Holding Torque, 1.5x nominal current (oz-in)
Natural Resonance Frequency @nominal current (Hz)
Power rate (nominal current) (kW/s)
Radial Shaft Play (µm)
Max. Force* @ .001" (0.0254 mm) / Step (N)
Max. Force* @ .001" (0.0254 mm) / Step (oz)
Max. Force* @ .002" (0.0508 mm) / Step (N)
Max. Force* @ .002" (0.0508 mm) / Step (oz)
Max. Force* @ .004"(0.1016 mm) / Step (N)
Max. Force* @ .004"(0.1016 mm) / Step (oz)
Stroke Length, Typ{%|%}mm
Stroke Length, Typ{%|%}in
Min. Holding Force (Unenergized) @ .0005" (0.0127 mm) / Step{%|%}N
Min. Holding Force (Unenergized) @ .0005" (0.0127 mm) / Step{%|%}oz
Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (N)
Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (oz)
Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (N)
Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (oz)
Min. Holding Force (Unenergized) @ 0.003" (0.0762 mm) / Step (Un-energized){%|%}N
Min. Holding Force (Unenergized) @ 0.003" (0.0762 mm) / Step (Un-energized){%|%}oz
Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (N)
Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (oz)
Min. Holding Force @ rated current @ .0005" (0.0127 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .0005" (0.0127 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .001" (0.0254 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .001" (0.0254 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .002" (0.058 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .002" (0.058 mm) / Step{%|%)oz
Min. Holding Force @ rated current @ .003" (0.0762 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .003" (0.0762 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .004" (0.1016 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .004" (0.1016 mm) / Step{%|%}oz
Number of lines available
Output signal
Supply Current - maxium (mA)
Supply Current - stand-by (μA)
Supply Current - typical (mA)
Supply Voltage (V)
Direction of rotation ( = / ≠)
Max. Recommended Input Speed (rpm)
Number of gear stages
Number of lines available
Type of encoder
Linear Travel Accuracy
Input Power (W)
Stepper Type
Document Technology Document Type Language File Type
30ECT90 Specifications Brushless DC Specification Page  
30ECT90 drawing Brushless DC DXF Drawing  
30ECT90 3D drawing Brushless DC 3D  
Ultra EC Brochure (brochure) Brushless DC Literature  
Industrial Power Tools (brochure) Literature