Series 121-8: 2.1 inch DC Brush Gearmotor
with 2 inch Metal Planetary Gearbox
Product Details
Overview & Features
The Hansen series 121-8 gear motor matches our 2.1" diameter DC brush motor with a 2" diameter metal planetary gearbox. The planet gears share the load attached to the output shaft giving the planetary arrangement a higher torque to volume ratio with low backlash compared to a spur gear arrangement. Dozens of ratios are available up to 2653:1. Encoders can also be added.
- Printers
- Plotters
- Pumps
- Fans
- Cutting Tools
- Medical Devices
- Robotics
- Beverage Dispensing
- Gaming/Recreational Machines
| PART NUMBER | RATIO | VOLTS NOM | NO LOAD SPEED | NO LOAD CURRENT | LOAD SPEED | LOAD TORQUE | LOAD CURRENT | MAX. THEORETICAL TORQUE (* INDICATES GEARBOX LIMIT) |
DIM "A" MAX INCH [mm] |
DIM "B" MAX INCH [mm] |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WNL | INL | W | TL | IL | ||||||||
| R.P.M. | AMPS | R.P.M. | IN-OZ | AMPS | IN-OZ | R.P.M. | AMPS | |||||
| NOM. | MAX. | NOM. | REF. | MAX. | REF. | REF. | REF. | |||||
| 121-81216-5 | 5:1 | 12 | 400 | 0.7 | 300 | 66 | 2.8 | 255 | STALL | 9 | 5.5 [140] | 5.9 [150] |
| 121-81232-5 | 670 | 1.3 | 570 | 45 | 3.8 | 298 | STALL | 17 | ||||
| 121-81248-5 | 935 | 2.0 | 845 | 33 | 4.7 | 300 | STALL | 26 | ||||
| 121-81216-27 | 27:1 | 80 | 0.7 | 55 | 335 | 2.8 | 1037 | STALL | 7 | 6.0 [153] | 6.4 [163] | |
| 121-81232-27 | 130 | 1.5 | 105 | 258 | 4.0 | 1309 | STALL | 14 | ||||
| 121-81248-27 | 180 | 2.6 | 160 | 167 | 4.9 | 1550 | STALL | 24 | ||||
| 121-81216-130 | 130:1 | 15 | 0.8 | 10 | 1502 | 2.6 | 3540* | 5 | 5 | 6.6 [167] | 7.0 [178] | |
| 121-81232-130 | 25 | 2.1 | 25 | 1024 | 3.9 | 3540* | 20 | 9 | ||||
| 121-81248-130 | 35 | 3.1 | 35 | 751 | 4.7 | 3540* | 25 | 11 | ||||
| 121-81216-642 | 642:1 | 3.3 | 0.8 | 2.5 | 2655 | 1.7 | 3540* | 2 | 2 | 7.1 [181] | 7.5 [191] | |
| 121-81232-642 | 5.5 | 1.6 | 5 | 2655 | 2.0 | 3540* | 5 | 2 | ||||
| 121-81248-642 | 8 | 2.4 | 6 | 2655 | 3.9 | 3540* | 5 | 5 | ||||
| 121-82416-5 | 5:1 | 24 | 420 | 0.4 | 330 | 66 | 1.3 | 310 | STALL | 5 | 5.5 [140] | 5.9 [150] |
| 121-82432-5 | 700 | 0.7 | 605 | 51 | 2.0 | 386 | STALL | 11 | ||||
| 121-82448-5 | 1005 | 1.0 | 915 | 39 | 2.5 | 437 | STALL | 18 | ||||
| 121-82416-27 | 27:1 | 80 | 0.4 | 65 | 335 | 1.4 | 1527 | STALL | 5 | 6.0 [153] | 6.4 [163] | |
| 121-82432-27 | 135 | 0.9 | 115 | 258 | 2.2 | 1699* | 15 | 10 | ||||
| 121-82448-27 | 190 | 1.3 | 175 | 197 | 2.5 | 1699* | 50 | 12 | ||||
| 121-82416-130 | 130:1 | 15 | 0.5 | 15 | 1500 | 1.3 | 3540* | 10 | 3 | 6.6 [167] | 7.0 [178] | |
| 121-82432-130 | 25 | 1.0 | 25 | 1160 | 2.1 | 3540* | 15 | 5 | ||||
| 121-82448-130 | 40 | 1.5 | 35 | 887 | 2.5 | 3540* | 30 | 6 | ||||
| 121-82416-642 | 642:1 | 3.4 | 0.5 | 2.8 | 2655 | 0.8 | 3540* | 3 | 1 | 7.1 [181] | 7.5 [191] | |
| 121-82432-642 | 5.6 | 1.0 | 4.8 | 2655 | 1.5 | 3540* | 5 | 2 | ||||
| 121-82448-642 | 8 | 1.5 | 5 | 2655 | 2.0 | 3540* | 4 | 2 | ||||
Notes:
For Encoder, Add C, D, or M to end of part number. (C=100 CPR, D=500 & M=1000)Dimensional Drawing
Drive Compatibility
Please contact ElectroCraft if the drive you are searching for is not included in the charts below.
| Motor P/N | Cont Stall Current (ARMS) |
Peak Current (ARMS) |
Voltage | Drive Model | ||||
|---|---|---|---|---|---|---|---|---|
| Imperial | Metric | PRO (-CAN) | PRO (-CAT) | CPP-Universal | CPP-EZ | |||
| 121-1121636 | 4.0 | 9.0 | 12 | PRO-A08V48B | PRO-A08V48B | CPP-A06V48A | ||
| 121-1123236 | 4.9 | 19.0 | 12 | PRO-A20V80A | PRO-A20V80A | CPP-A12V80A | ||
| 121-1124836 | 5.4 | 28.0 | 12 | PRO-A20V80A | PRO-A20V80A | CPP-A24V80A | ||
| 121-1241636 | 1.9 | 5.0 | 24 | PRO-A08V48B | PRO-A04V36A | CPP-A06V48A | ||
| 121-1243236 | 2.7 | 12.0 | 24 | PRO-A08V48B | PRO-A08V48B | CPP-A12V80A | ||
| 121-1244836 | 3.1 | 20.0 | 24 | PRO-A20V80A | PRO-A20V80A | CPP-A12V80A | ||
| 121-1121646 | 4.6 | 15.0 | 12 | PRO-A20V80A | PRO-A20V80A | CPP-A12V80A | ||
| 121-1123246 | 5.9 | 26.0 | 12 | PRO-A20V80A | PRO-A20V80A | CPP-A24V80A | ||
| 121-1124836 | 5.9 | 32.0 | 12 | PRO-A20V80A | PRO-A20V80A | CPP-A24V80A | ||
| 121-1241646 | 2.4 | 9.0 | 24 | PRO-A08V48B | PRO-A08V48B | CPP-A06V48A | ||
| 121-1243246 | 3.9 | 19.0 | 24 | PRO-A20V80A | PRO-A20V80A | CPP-A12V80A | ||
| 121-1244836 | 5.3 | 33.0 | 24 | PRO-A20V80A | PRO-A20V80A | CPP-A24V80A | ||
Documents & Downloads
| Download | Description |
|---|---|
| Series 121-8 Data Sheet (US) | Download Data Sheet (PDF) |
ElectroCraft Rapid Delivery Program
Some versions of this product are available via ElectroCraft's Rapid Delivery Program. Lead times for these products are given in working days and stated below. Please note, these lead times may be exceeded during holiday periods or due to unforeseen circumstances. Always contact your local ElectroCraft representative for confirmation of availability.
Rapid delivery products are stocked in locations all over the World. If the product you require is not stocked in your region, you may request accelerated delivery from other areas. Please consult your local representative for more information.
Customers are responsible for all freight charges.
Rapid Delivery to:
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| Part Number | Description | Add to Cart |
|---|---|---|
| 121-1121646 | 2.1" frame PMDC Brush motor, 12VDC winding, 2000RPM no-load speed, 105 oz-in stall torque, 28 oz-in load torque | Contact Sales |
| 121-1123246 | 2.1" frame PMDC Brush motor, 12VDC winding, 3500RPM no-load speed, 110 oz-in stall torque, 20 oz-in load torque | Contact Sales |
| 121-1124846 | 2.1" frame PMDC Brush motor, 12VDC winding, 4800RPM no-load speed, 96 oz-in stall torque, 13 oz-in load torque | Contact Sales |
| 121-1241646 | 2.1" frame PMDC Brush motor, 24VDC winding, 2000RPM no-load speed, 125 oz-in stall torque, 29 oz-in load torque | Contact Sales |
| 121-1243246 | 2.1" frame PMDC Brush motor, 24VDC winding, 3600RPM no-load speed, 158 oz-in stall torque, 27 oz-in load torque | Contact Sales |
| 121-1244846 | 2.1" frame PMDC Brush motor, 24VDC winding, 5200RPM no-load speed, 183 oz-in stall torque, 24 oz-in load torque | Contact Sales |