US: +1 267 933 215 Europe: +33 2 92 87 51 sia: +86 21 5763 18 Harleysville, P 438 DC SERO MOTORS BRUSHESS DC MOTORS The EC57C series brushless DC motor is a high torque density model brushless motor in a NEM 23 configuration. t is offered in 4 motor lengths with continuous torque from.. Features: Speeds up to, RPM DC bus voltage up to 76.4 dc NEM 23 configuration Eight standard windings - Special windings available 4 Pole Rare Earth design ssembly Options: Optical ncremental Encoders: E, EB, EC, ED Gearboxes: G, PG42S, G51, PG52 Brakes: B49 EC57C-1 Salient Characteristics MOTOR DT UNTS EC57C-1 EC57C-2 EC57C-3 EC57C-4 OPTONS Max DC Terminal oltage Max Speed (Mechanical) Continuous Stall Torque 1 Peak Torque (Maximum) 1 Coulomb Friction Torque iscous Damping Factor Thermal Time Constant Thermal Resistance Max. inding Temperature Rotor nertia Motor eight T w MX T cs T pk T f D t th R th Q MX J r w m s/rad /k min C/ C kg m 2 -s 2 g oz..66.93 E- 7. 13 4.2E- 6 E- 4 37 13.44 63. E- 6. 17 7.9 7.8E- 6. 51.7 99.92 E- 6.52 21 5.2 E- 5.16 67.88. 4.9E- 6.72 4.7 E- 5.21 8 Gearboxes Encoders Brakes G PG42S G51 PG52 E/B EC/D B49 1 Recorded aaximum winding temperature at C ambient and without heatsink. EC57C 1 through EC57C 4: Dimensional Drawings Dimensions = inches (mm) Ø.5 (5.2) THRU.4 HOES EQU SPCE ON Ø (66.68) B.C..8 ±. (4. ±.762). ±. (.57 ±.635) Ø. (7.993) Ø.44 (7.986) THRU. (3) EDS 22 G (5) EDS 26 G 1 (6.4) MN. ENGTH Ø2.2 (56.) R. (4.57) TYP. 2. SQ. (57.) +. Ø.2 (3 +. ).51.6 (2) (engths vailable): EC57C-1 = 64 (37.) Max. EC57C-2 = 14 (.62) Max. EC57C-3 = 2.414 (62) Max. EC57C-4 = 14 (72) Max. NOTE: ll values specified at C ambient temperature and without heatsink. Peak values are theoretical and for reference only. 1
BRUSHESS DC MOTORS DC SERO MOTORS www.pittman-motors.com US: +1 267 933 215 Europe: +33 2 92 87 51 sia: +86 21 5763 18 Harleysville, P 438 EC57C-1: Performance Data MOTOR DT UNTS Rated oltage 1 Rated oltage 2 Torque Constant (-, DC) oltage Constant (-, DC) nductance r r nl r r nl pk / / / / s/rad /k.71 1 6 7.2 761.62.77 7 7.8.6..7 6.7 1.23. 6.8.7 9.9 626 5.5 7..76 5.9...3 6.3.3.41 1.2.69 9.7 65 75..76 33.38..8 6.8 7..62.68 67 76. 3 6...235 3.235 2..7.97.68 65 2.7 7. 34 5.23..5 4..5 3. 6 67 75. 35 2.4 5..375 5..375 3 7 2.5 7.8 68 76.16 357 7... 6.65. 4.92 2.76. 65 73....61 8.64.61 6. 4.5 6.5 5.1 1 Recorded aaximum winding temperature at C ambient and without heatsink. 1 EC57C 1: EC57C-1: Performance Performance Graph Graph (3. /kprm) 5 SPEED () [] CONTNUOUS [2.8] [5.7] 6 [8.4] [.4] Rated Torque at 1 Rated Torque at 2 Speed (at Rated oltage 1) Current (at Rated oltage 1) S.O..C. (Max. Cont. Torque) S.O..C. (Max Speed) 1 [16.8] 1 [] [22.7] 3 1 [.5] CURRENT () : mn-m / [] S.O..C. = Safe Operating rea for Continuous duty NOTE: ll values specified at C ambient temperature. Peak values are theoretical and for reference only. 2
US: +1 267 933 215 Europe: +33 2 92 87 51 sia: +86 21 5763 18 Harleysville, P 438 DC SERO MOTORS BRUSHESS DC MOTORS EC57C-2: Performance Data MOTOR DT UNTS Rated oltage 1 Rated oltage 2 Torque Constant (-, DC) oltage Constant (-, DC) nductance r r nl r r nl pk / / / / s/rad /k 56 8.9 79 66.54 7 44 4.51..171 2.42.171 9 5.1 58 7.1 67.44 3 7.6 45 421.41. 5.7 3.2 2.23.44 57 5.4 64.34 45 6.32.42.8 4.8 1.4.74 4.3 59 4.3 66. 326.43 6.1 4 8.6 4.2 6 3.4 67 3 3.7 421.43 6.1.4 4.4 4..97 59 65 32 7.16.44 7.86 5. 6 3. 9.3. 67 66 33.44 7 7. 2. 4.5 7.5 6.6 67 66. 3 421..44 6.2 1 8.95 4 7.4 1 Recorded aaximum winding temperature at C ambient and without heatsink. 1 EC57C 2: EC57C-2: Performance Performance Graph Graph (8 /kprm) 1 SPEED () [] CONTNUOUS 5 [7.1] [21.2] [.3] Rated Torque at 1 Rated Torque at 2 Speed (at Rated oltage 1) Current (at Rated oltage 1) S.O..C. (Max. Cont. Torque) S.O..C. (Max Speed) [35.4] CURRENT () : mn-m / [] S.O..C. = Safe Operating rea for Continuous duty NOTE: ll values specified at C ambient temperature. Peak values are theoretical and for reference only. 3
BRUSHESS DC MOTORS DC SERO MOTORS www.pittman-motors.com US: +1 267 933 215 Europe: +33 2 92 87 51 sia: +86 21 5763 18 Harleysville, P 438 EC57C-3: Performance Data MOTOR DT UNTS Rated oltage 1 Rated oltage 2 Torque Constant (-, DC) oltage Constant (-, DC) nductance r r nl r r nl pk / / / / s/rad /k 59 76.74 16 71 445.68. 6.6. 2.. 8.1 66 6.57 32 74 43.52.51 7.2.8 5.8 2... 63 9. 76. 34 44.43.52 7.4.6 3.62.6 8.2.42. 6 7.1 1 7.37 35 7.7 44.34.54 7.7.3 4.53.3 5.35.66. 6 5.4 68. 35 43.57 8..416 5..416 4..5. 657 77.23 5 4.7 82 44.57.5 7..5 5... 66 1 7 37 83 4.58.641 9.7.641 6.71 1. 3.4 6.6 6 2.7 68. 43.59 8.3.834.8.834 8.73 2. 4.5 9.3 2.2 1 Recorded aaximum winding temperature at C ambient and without heatsink. EC57C-3: Performance Graph 1 16 14 SPEED () [] CONTNUOUS 5 [7.1] [21.2] [.3] [35.4] Speed (at Rated oltage 1) Current (at Rated oltage 1) S.O..C. (Max. Cont. Torque) S.O..C. (Max Speed) Rated Torque at 1 Rated Torque at 2 35 [4] [56.6] 45 [63.7] 1 5 [7.1] CURRENT () : mn-m / [] S.O..C. = Safe Operating rea for Continuous duty NOTE: ll values specified at C ambient temperature. Peak values are theoretical and for reference only. 4
US: +1 267 933 215 Europe: +33 2 92 87 51 sia: +86 21 5763 18 Harleysville, P 438 DC SERO MOTORS BRUSHESS DC MOTORS EC57C-4: Performance Data MOTOR DT UNTS Rated oltage 1 Rated oltage 2 Torque Constant (-, DC) oltage Constant (-, DC) nductance r r nl r r nl pk / / / / s/rad /k. 38 587 14 675.66 3 92 42.6.57 3.2 2.23 37 585 651.5 94..62 8.8.8 4.8 1..37 37 6 8.6 665.41 341 9.2.38.65 9.1 4 8.56 2. 3.6 6 6.8 67.33 351 7.3 42. 9.4.4 4.4 4..41.88 61 5.2 65 34 99.23.69 9.7 7.86 5..65. 62 4.2 666 355.69 9.8 7 7..9 6.6 35 6 67 3.6 42..7 9.8 1 8.95 1 76.4 35 6 65. 34 2.8 4..71 1.1.7.1.6 2.45 9. 2.4 3. 1 Recorded aaximum winding temperature at C ambient and without heatsink. SPEED () 1 [] EC57C 4: EC57C-4: Performance Performance Graph Graph (8 /kprm) CONTNUOUS [.3] Rated Torque at 1 Rated Torque at 2 : mn-m / [] Speed (at Rated oltage 1) Current (at Rated oltage 1) S.O..C. (Max. Cont. Torque) S.O..C. (Max Speed) [56.6] 5 [7.1] 16 14 1 6 [85.] CURRENT () S.O..C. = Safe Operating rea for Continuous duty NOTE: ll values specified at C ambient temperature. Peak values are theoretical and for reference only. 5