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| Type | Ratd voltage (VDC) | No-load speed (r/min) | No-load current (mA) | Rated speed (r/min) | Rated torque (mN.m) | Output power (W) | Rated current (mA) | Stall torque (mN.m) | Stall current (A) |
| 28ZY38-1230 | 12 | 3000 | 70 | 2800 | 2.5 | 0.73 | 170 | 14.2 | 0.43 |
| 28ZY38-1240 | 12 | 4000 | 80 | 3000 | 7 | 2.1 | 300 | 24.5 | 0.87 |
| 28ZY38-1250 | 12 | 5000 | 100 | 4000 | 7 | 2.9 | 410 | 35 | 1.5 |
| Redution ratio | 3.7 | 5.2 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 | 369 | 516 | 720 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Length(L) mm | 31.5 | 31.5 | 36 | 36 | 36 | 42 | 42 | 42 | 42 | 48.5 | 48.5 | 48.5 | 48.5 | 48.5 |
| No-load speed r/min | 810 | 588 | 214 | 158 | 111 | 58 | 42 | 30 | 21 | 16 | 11 | 8.1 | 5.8 | 4.1 |
| Rated speed r/min | 756 | 550 | 200 | 147 | 103 | 55 | 39 | 28 | 20 | 15 | 10 | 7.6 | 5.5 | 4 |
| Rated torque N.m | 0.008 | 0.012 | 0.031 | 0.043 | 0.061 | 0.11 | 0.15 | 0.22 | 0.30 | 0.38 | 0.53 | 0.74 | 1 | 1 |
| Max.permissible load in a short time N.m | 0.6 | 0.6 | 1.2 | 1.2 | 1.2 | 2.4 | 2.4 | 2.4 | 2.4 | 3 | 3 | 3 | 3 | 3 |
| Redution ratio | 3.7 | 5.2 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 |
| Length(L) mm | 31.5 | 31.5 | 36 | 36 | 36 | 42 | 42 | 42 | 42 | 48.5 | 48.5 |
| No-load speed r/min | 1080 | 784 | 285 | 210 | 148 | 78 | 56 | 40 | 28 | 21 | 15 |
| Rated speed r/min | 810 | 588 | 214 | 158 | 111 | 58 | 42 | 30 | 21 | 15 | 12 |
| Rated torque N.m | 0.024 | 0.034 | 0.088 | 0.12 | 0.17 | 0.30 | 0.42 | 0.60 | 0.83 | 1 | 1 |
| Max.permissible load in a short time N.m | 0.6 | 0.6 | 1.2 | 1.2 | 1.2 | 2.4 | 2.4 | 2.4 | 2.4 | 3 | 3 |
| Redution ratio | 3.7 | 5.2 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 |
| Length(L) mm | 31.5 | 31.5 | 36 | 36 | 36 | 42 | 42 | 42 | 42 | 48.5 | 48.5 |
| No-load speed r/min | 1350 | 980 | 357 | 263 | 185 | 98 | 70 | 50 | 36 | 26 | 19 |
| Rated speed r/min | 1080 | 784 | 285 | 210 | 148 | 78 | 56 | 40 | 28 | 21 | 16 |
| Rated torque N.m | 0.024 | 0.034 | 0.088 | 0.12 | 0.17 | 0.30 | 0.42 | 0.60 | 0.83 | 1 | 1 |
| Max.permissible load in a short time N.m | 0.6 | 0.6 | 1.2 | 1.2 | 1.2 | 2.4 | 2.4 | 2.4 | 2.4 | 3 | 3 |
| Type | Ratd voltage (VDC) | No-load speed (r/min) | No-load current (mA) | Rated speed (r/min) | Rated torque (mN.m) | Output power (W) | Rated current (mA) | Stall torque (mN.m) | Stall current (A) |
| 28ZY38-1230 | 12 | 3000 | 70 | 2800 | 2.5 | 0.73 | 170 | 14.2 | 0.43 |
| 28ZY38-1240 | 12 | 4000 | 80 | 3000 | 7 | 2.1 | 300 | 24.5 | 0.87 |
| 28ZY38-1250 | 12 | 5000 | 100 | 4000 | 7 | 2.9 | 410 | 35 | 1.5 |
| Redution ratio | 3.7 | 5.2 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 | 369 | 516 | 720 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 |
| Length(L) mm | 31.5 | 31.5 | 36 | 36 | 36 | 42 | 42 | 42 | 42 | 48.5 | 48.5 | 48.5 | 48.5 | 48.5 |
| No-load speed r/min | 810 | 588 | 214 | 158 | 111 | 58 | 42 | 30 | 21 | 16 | 11 | 8.1 | 5.8 | 4.1 |
| Rated speed r/min | 756 | 550 | 200 | 147 | 103 | 55 | 39 | 28 | 20 | 15 | 10 | 7.6 | 5.5 | 4 |
| Rated torque N.m | 0.008 | 0.012 | 0.031 | 0.043 | 0.061 | 0.11 | 0.15 | 0.22 | 0.30 | 0.38 | 0.53 | 0.74 | 1 | 1 |
| Max.permissible load in a short time N.m | 0.6 | 0.6 | 1.2 | 1.2 | 1.2 | 2.4 | 2.4 | 2.4 | 2.4 | 3 | 3 | 3 | 3 | 3 |
| Redution ratio | 3.7 | 5.2 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 |
| Length(L) mm | 31.5 | 31.5 | 36 | 36 | 36 | 42 | 42 | 42 | 42 | 48.5 | 48.5 |
| No-load speed r/min | 1080 | 784 | 285 | 210 | 148 | 78 | 56 | 40 | 28 | 21 | 15 |
| Rated speed r/min | 810 | 588 | 214 | 158 | 111 | 58 | 42 | 30 | 21 | 15 | 12 |
| Rated torque N.m | 0.024 | 0.034 | 0.088 | 0.12 | 0.17 | 0.30 | 0.42 | 0.60 | 0.83 | 1 | 1 |
| Max.permissible load in a short time N.m | 0.6 | 0.6 | 1.2 | 1.2 | 1.2 | 2.4 | 2.4 | 2.4 | 2.4 | 3 | 3 |
| Redution ratio | 3.7 | 5.2 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 |
| Number of gear trains | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 |
| Length(L) mm | 31.5 | 31.5 | 36 | 36 | 36 | 42 | 42 | 42 | 42 | 48.5 | 48.5 |
| No-load speed r/min | 1350 | 980 | 357 | 263 | 185 | 98 | 70 | 50 | 36 | 26 | 19 |
| Rated speed r/min | 1080 | 784 | 285 | 210 | 148 | 78 | 56 | 40 | 28 | 21 | 16 |
| Rated torque N.m | 0.024 | 0.034 | 0.088 | 0.12 | 0.17 | 0.30 | 0.42 | 0.60 | 0.83 | 1 | 1 |
| Max.permissible load in a short time N.m | 0.6 | 0.6 | 1.2 | 1.2 | 1.2 | 2.4 | 2.4 | 2.4 | 2.4 | 3 | 3 |
