Brushless DC Motor Series 57BL(NEMA 23) | ||||||||
Model | 57BL3A50 | 57BL3A70 | 57BL3A90 | |||||
Specification | Unit | -A | -B | -B | -C | -B | -C | |
Rated voltage | U | V | 24 | 36 | 36 | 48 | 36 | 48 |
Rated out power | Pout | W | 62 | 62 | 125 | 125 | 185 | 185 |
Rated speed | n N | rpm | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 |
Rated current | I N | A | 3.3 | 2.2 | 4.4 | 3.2 | 6.5 | 4.8 |
Rated torque | T N | N.m | 0.2 | 0.2 | 0.4 | 0.4 | 0.6 | 0.6 |
Peak current | I P | A | 10.5 | 6.5 | 13.4 | 9.8 | 20 | 14.9 |
Peak torque | T p | N.m | 0.58 | 0.6 | 1.29 | 1.31 | 1.9 | 2 |
Voltage constant | K E | V/ Krpm | 6.23 | 9.5 | 9.47 | 12.7 | 9.45 | 12.6 |
Torque constant | K T | N.m/A | 0.069 | 0.11 | 0.095 | 0.134 | 0.097 | 0.136 |
Rotor inertia | J | Kg.cm 2 | 0.3 | 0.3 | 0.6 | 0.6 | 0.9 | 0.9 |
Number of poles | N P | 8 | 8 | 8 | 8 | 8 | 8 | |
Winding class | B | B | B | B | B | B | ||
Motor weight | Kg | 0.65 | 0.65 | 1 | 1 | 1.4 | 1.4 | |
Remark | 1. Motor are available with different winding and mechanical modification to meet specific applications. | |||||||
2. Can match encoder. |