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38–43 mm Frameless Motors

Flexible choices across performance, reliability, and cost.

Model Comparison

Compare 38–43 mm frameless motor models and key specifications.

Series Model Stator ODmm Rotor IDmm Stator Lengthmm Rated TorqueNm Peak TorqueNm Rated Speedrpm Rated VoltageVDC Rated CurrentArms Peak CurrentArms KtNm/Arms KmNm/√W Weightg View Details
Pro 3806-A2 38 20 11.8 0.09 0.27 12,000 24 7 21 0.0145 0.0395 35 View Details
Pro 3806-B2 38 20 11.8 0.094 0.27 5,000 24 3.4 9.8 0.0307 0.0434 35 View Details
Pro 3812-A2 38 20 18.3 0.186 0.58 10,200 48 6.2 19.2 0.035 0.0711 65 View Details
Pro 3812-B2 38 20 18 0.189 0.502 6,000 48 3.4 9.8 0.062 0.0726 60 View Details
Ultra 3806-AT 38 20 11.2 0.12 0.36 12,000 24 7.7 25 0.018 0.0521 60 View Details
Ultra 3806-BT 38 20 11.2 0.12 0.36 8,000 24 5.4 18 0.0253 0.0532 60 View Details
Ultra 3806-CT 38 20 11.2 0.13 0.363 5,000 24 4 12.5 0.0362 0.0552 60 View Details
Ultra 3812-AL 38 20 17.2 0.24 0.72 8,000 48 5 16.5 0.0543 0.0911 90 View Details
Ultra 3812-BL 38 20 17.2 0.24 0.72 5,000 48 3.66 12 0.0743 0.0922 90 View Details
Ultra 3812-CL 38 20 17.2 0.25 0.72 3,000 48 2.65 8.25 0.1087 0.0936 90 View Details
Precision 3808 38 18 12.5 0.1 0.4 9,000 24 3.54 14.85 0.028 0.036 55 View Details
Precision 3814 38 18 19 0.23 0.76 8,500 48 4.31 14.85 0.052 0.06 82 View Details
Pro 4304-AT 43 25.5 10.8 0.08 0.238 2,000 24 2.8 8.6 0.0315 0.0394 28 View Details
Pro 4308-AS 43 25.5 14.8 0.152 0.456 7,600 36 4 12 0.0436 0.0677 57 View Details
Pro 4320-AL 43 25.5 26.8 0.42 1.31 3,400 48 3.8 12 0.124 0.1446 120 View Details
Ultra 4310-AL 43 25.5 16.5 0.25 0.77 8,000 48 5.1 16.2 0.0554 0.095 80 View Details
Ultra 4310-BL 43 25.5 16.5 0.25 0.77 5,000 48 3.5 11 0.0814 0.0976 80 View Details
Ultra 4310-CL 43 25.5 16.5 0.25 0.76 3,000 48 2.3 7.2 0.1221 0.0968 80 View Details
Ultra 4320-AL 43 25.5 26.5 0.5 1.54 5,500 48 6.8 22 0.0814 0.1538 135 View Details
Ultra 4320-BL 43 25.5 26.5 0.5 1.55 3,600 48 5 16.2 0.111 0.1554 135 View Details
Ultra 4320-CL 43 25.5 26.5 0.51 1.54 2,200 48 3.5 11 0.1628 0.1585 135 View Details
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