Linear Systems

Dunkermotoren ST25 SERIES Linear Motor

The Dunkermotoren ST25 Series Linear Motor is a high-performance solution for precise and dynamic linear motion. With continuous stall forces up to 90 N and peak forces reaching 780 N, it is ideal for automation, medical devices, and industrial machinery that demand accuracy and reliability.

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Dunkermotoren XT38 Series Linear Motor

Features

  • Peak Force: 312N ~ 780N
  • Peak Current: 20 Apk
  • Continuous Stall Force: 42.5N ~ 90N
  • Stroke / Hub mm: 27~309 mm
  • Peak Acceleration: 394~586 m/s2
Selection Table
Type   STA 2504 STA 2506 STA 2508 STA 2510 STB 2504 STB 2506 STB 2508 STB 2510
Peak force @ 25°C ambient for 1 sec N 312 468 624 780 312 468 624 780
Peak current @ 25°C ambient for 1 sec Apk 20
Continuous stall force @ 25°C ambient N 42.5 59.5 75.1 90 42.5 59.5 75.1 90
Continuous stall current @ 25°C ambient(1) Arms 1.92 1.8 1.7 1.63 1.92 1.8 1.7 1.63
Force constant (sine commutation)(1) N/Arms 22.1 33.1 44.1 55.2 22.1 33.1 44.1 55.2
Maximum working voltage VDC 325
Peak acceleration (STA)(2) m/s² 394 483 542 586 394 483 542 586
Maximum speed (STA)(3) m/s 5.3 5.3 4.7 4.2 5.3 5.3 4.7 4.2
Peak acceleration (STB)(4) m/s² 223 223 235 256 223 223 235 256
Maximum speed (STB)(5) m/s 8.9 6.6 5.4 4.6 8.9 6.6 5.4 4.6
Repeatability µm 12
By means of appropriate cooling plate or fan, the continuous force be increased by up to 20%(1)
Based on a moving thrust rod with 27 mm stroke, no payload.(2)
Based on a moving thrust rod with triangular move over maximum stroke, no payload.(3)
Based on a moving forcer and no payload.(4)
Based on a moving forcer with triangular move over maximum stroke, no payload.(5)
Downloads
st_25_Linear_Motor_Datasheet.pdf
Type   STA 2504 STA 2506 STA 2508 STA 2510 STB 2504 STB 2506 STB 2508 STB 2510
Peak force @ 25°C ambient for 1 sec N 312 468 624 780 312 468 624 780
Peak current @ 25°C ambient for 1 sec Apk 20
Continuous stall force @ 25°C ambient N 42.5 59.5 75.1 90 42.5 59.5 75.1 90
Continuous stall current @ 25°C ambient(1) Arms 1.92 1.8 1.7 1.63 1.92 1.8 1.7 1.63
Force constant (sine commutation)(1) N/Arms 22.1 33.1 44.1 55.2 22.1 33.1 44.1 55.2
Maximum working voltage VDC 325
Peak acceleration (STA)(2) m/s² 394 483 542 586 394 483 542 586
Maximum speed (STA)(3) m/s 5.3 5.3 4.7 4.2 5.3 5.3 4.7 4.2
Peak acceleration (STB)(4) m/s² 223 223 235 256 223 223 235 256
Maximum speed (STB)(5) m/s 8.9 6.6 5.4 4.6 8.9 6.6 5.4 4.6
Repeatability µm 12
By means of appropriate cooling plate or fan, the continuous force be increased by up to 20%(1)
Based on a moving thrust rod with 27 mm stroke, no payload.(2)
Based on a moving thrust rod with triangular move over maximum stroke, no payload.(3)
Based on a moving forcer and no payload.(4)
Based on a moving forcer with triangular move over maximum stroke, no payload.(5)
st_25_Linear_Motor_Datasheet.pdf

Find the Right Model

Model Number Constant Force (n) Max. Speed (m/s) Repeatability (µm)
product variant STA/ STB 2504 42.5n 5.3m/s 12
product variant STA/ STB 2506 59.5n 5.3m/s 12
product variant STA/ STB 2508 75.1n 4.7m/s 12
product variant STA/ STB 2510 90n 4.2m/s 12

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