Series 21 Brush DC Permanent Magnet Motor - 53W, 6-42V
Standard Features:
• Low Cogging Armature
• Ball Bearings
• High Starting Torque
• Precision Die Cast End Bells
• Class B Temperature Rated
• Reversible
• Stainless Steel Output Shafts
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Optional Features:
• Optical Encoders
• Voltages and Performance
• Internal Noise Suppressors
• Custom Shafting
• Custom Leads and Terminations
• Custom Mounting
• Rear Shaft Extensions
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English Specifications Switch to Metric
| Part Number | Rated Voltage | No Load | Rated Load | Stall | Voltage Constant | Torque Constant | Terminal Resistance | "L" Dimension |
| Speed | Current | Torque | Speed | Current | Power | Efficiency | Torque | Current |
| Volts | RPM | Amps | Oz-In | RPM | Amps | Watts | % | Oz-In | Amps | V/kRPM | Oz-In/Amp | Ohms | Inch |
| 121-1361216 | 12 | 2200 | 0.3 | 17 | 1600 | 2.7 | 20 | 62% | 62 | 9.0 | 5.2 | 7.1 | 1.51 | 3.53 |
| 121-1461216 | 12 | 2100 | 0.3 | 22 | 1600 | 3.3 | 26 | 66% | 95 | 13.1 | 5.5 | 7.5 | 1.22 | 4.53 |
| 121-1361232 | 12 | 3750 | 0.6 | 13 | 3200 | 3.7 | 31 | 69% | 84 | 20.7 | 3.1 | 4.2 | 0.79 | 3.53 |
| 121-1461232 | 12 | 3700 | 0.7 | 16 | 3200 | 4.5 | 38 | 70% | 129 | 32 | 3.1 | 4.2 | 0.68 | 4.53 |
| 121-1361248 | 12 | 5250 | 0.9 | 7 | 4800 | 3.3 | 25 | 63% | 77 | 27.5 | 2.1 | 2.9 | 0.80 | 3.53 |
| 121-1461248 | 12 | 5300 | 1.0 | 9 | 4800 | 4.1 | 32 | 65% | 88 | 31.0 | 2.2 | 2.9 | 0.60 | 4.53 |
| 121-1362416 | 24 | 2150 | 0.2 | 17 | 1600 | 1.4 | 20 | 60% | 64 | 4.6 | 10.7 | 14.5 | 5.24 | 3.53 |
| 121-1462416 | 24 | 2100 | 0.2 | 23 | 1600 | 1.7 | 27 | 67% | 96 | 6.7 | 11.0 | 14.9 | 3.74 | 4.53 |
| 121-1362432 | 24 | 3700 | 0.3 | 13 | 3200 | 1.8 | 31 | 71% | 95 | 11.5 | 6.3 | 8.5 | 2.09 | 3.53 |
| 121-1462432 | 24 | 3650 | 0.3 | 21 | 3200 | 2.7 | 50 | 77% | 175 | 20.4 | 6.4 | 8.7 | 1.33 | 4.53 |
| 121-1362448 | 24 | 5250 | 0.4 | 9 | 4800 | 1.9 | 32 | 70% | 114 | 19.3 | 4.5 | 6.0 | 1.29 | 3.53 |
| 121-1462448 | 24 | 5150 | 0.5 | 15 | 4800 | 3.0 | 53 | 74% | 234 | 39 | 4.5 | 6.2 | 0.85 | 4.53 |
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