This is a combination of high efficiency / low noise spur gear head SSG12 and brushless motor B4S12-21XX.
SSG12 B4S12-21XX General specifications
| Gear Ratio | 16 | 25 | 47 | 74 | 94 | 175 | 282 | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Reduction ratio(absolute value) | 15.78:1 | 29.70:1 | 47.35:1 | 74.10:1 | 93.86:1 | 175.50:1 | 281.58:1 | ||
| 2 | Number of stage | 3 | 1 | 4 | 4 | 4 | 5 | 5 | ||
| 3 | Efficiency | 73 | 73 | 66 | 66 | 66 | 59 | 59 | % | |
| 4 | Direction of rotation | ≠ | ≠ | = | = | = | ≠ | ≠ | ||
| 5 | Length （Motor＋Gear＝L2） |
35 | 35 | 37 | 37 | 37 | 39 | 39 | mm | |
| Length （Motor＋Gear＋Encoder） |
TBD | mm | ||||||||
| Length （Motor＋Encoder） |
TBD | mm | ||||||||
| 6 | Max allowable torque (Continuous) | 12 | 15 |
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| 7 | Max allowable torque (Intermittent) | 30 | mNm | |||||||
B4S12-2108S
Rated voltage: 12V
| Gear Ratio | 16 | 25 | 47 | 74 | 94 | 175 | 282 | ||
|---|---|---|---|---|---|---|---|---|---|
| 8 | No load speed | 969 | 620 | 323 | 207 | 163 | 87 | 54 | rpm |
| 9 | No load current | 58 | 56 | 57 | 57 | 56 | 56 | 56 | mA |
| 10 | Stall torque | 127 | 200 | 344 | 539 | 683 | 1149 | 1844 | mNm |
| 11 | Stall current | 1592 | 1592 | 1592 | 1592 | 1592 | 1592 | 1592 | mA |
B4S12-2109S
Rated voltage:15V
| Gear Ratio | 3.5 | 4.8 | 12 | 23 | 58 | 107 | 509 | ||
|---|---|---|---|---|---|---|---|---|---|
| 8 | No load speed | 1221 | 781 | 407 | 260 | 206 | 110 | 69 | rpm |
| 9 | No load current | 59 | 57 | 58 | 58 | 57 | 57 | 57 | mA |
| 10 | Stall torque | 134 | 209 | 361 | 565 | 716 | 1205 | 1934 | mNm |
| 11 | Stall current | 1678 | 1678 | 1678 | 1678 | 1678 | 1678 | 1678 | mA |
HOW TO ORDER
B4S12-2108 MOTOR + SSG12(16:1) → B4S12-2108S16
B4S12-2109 MOTOR + SSG12(175:1) → B4S12-2109S175
