SG Series
AC Standard Reversible Motors

Product Features
SPG reversible motors are a spring-loaded brake motor and only available with a single phase motor. When a motor is de-energized, a braking torque is generated using several springs and designed to permit instantaneous switching of the rotational direction and to operate 30 minute rating.
However, for the applications that require holding torque, use the electromagnetic brake motor.
1. Size | 2. Output | 3. Shaft type | 4. Voltage | |||||
6 | 60mm | 06 | 6W | G | Gear type | A | 1Ph | 100V 50/60Hz |
7 | 70mm | 15 | 15W | S | Straight type | 110/115V 60Hz | ||
8 | 80mm | 25 | 25W | D | D-Cut type | B | 1Ph | 200~230V 50/60Hz |
9 | 90mm | 40 | 40W | K | Key type (min. 80mm) | |||
60 | 60W | |||||||
90 | 90W |
- Motor Specifications
HP(WATT) | Pole | Input Voltage |
Phase | Frequency | Motor RPM |
Motor Frame Size(in) | Motor Length(in) | Safety Standard |
1/125HP(6W) | 4 | 100/230 | 1 | 50/60Hz | 1550/1250 | 2.36 | 2.95 | cRUus/CE/TÜV |
1/50HP(15W) | 4 | 100/230 | 1 | 50/60Hz | 1600/1250 | 2.76 | 3.15 | cRUus/CE/TÜV |
1/30HP(25W) | 4 | 100/230 | 1 | 50/60Hz | 1600/1250 | 3.15 | 3.35 | cRUus/CE/TÜV |
1/18HP(40W) | 4 | 100/230 | 1 | 50/60Hz | 1600/1300 | 3.54 | 4.13 | cRUus/CE/TÜV |
1/12HP(60W) | 4 | 100/230 | 1 | 50/60Hz | 1650/1300 | 3.54 | 4.83 | cRUus/CE/TÜV |
1/8HP(90W) | 4 | 100/230 | 1 | 50/60Hz | 1600/1250 | 3.54 | 5.43 | cRUus/CE/TÜV |
1. Size | 2. Shaft type | 3. Output | 4. Ratio | |||
6 | 60mm | S | Straight type | A | 6W ~ 25W | 5 ~ 360 |
7 | 70mm | D | D-Cut type | B | 40W ~ 60W | |
8 | 80mm | K | Key type (min. 80mm) | C | 90W | |
9 | 90mm |
- Permissible Torque @50Hz (kgf.cm)
@50Hz | Ratio | 5 | 6 | 7.5 | 9 | 10 | 12.5 | 15 | 18 | 20 | 25 | 30 | 36 | 40 | 50 | 60 | 75 | 90 | 100 | 120 | 150 | 180 | 200 | 250 | 300 | 360 |
RPM | 300 | 250 | 200 | 167 | 150 | 120 | 100 | 83.3 | 75.0 | 60.0 | 50.0 | 41.6 | 37.5 | 30.0 | 25.0 | 20.0 | 16.6 | 15.0 | 12.5 | 10.0 | 8.3 | 7.5 | 6.0 | 5.0 | 4.1 | |
Permissible Torque (kgf.cm) |
6W | 2.10 | 2.50 | 3.11 | 3.73 | 4.14 | 5.20 | 6.21 | 7.50 | 8.30 | 10.4 | 11.9 | 14.2 | 15.8 | 19.8 | 23.7 | 29.7 | 35.6 | 39.6 | 47.5 | 55.9 | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 |
15W | 5.20 | 6.21 | 7.80 | 9.32 | 10.4 | 12.9 | 15.5 | 18.6 | 20.7 | 25.9 | 29.7 | 35.6 | 39.6 | 49.5 | 59.3 | 74.2 | 89.0 | 98.9 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | |
25W | 8.90 | 10.7 | 13.4 | 16.0 | 17.8 | 22.3 | 26.7 | 32.1 | 35.6 | 44.6 | 51.1 | 61.3 | 68.1 | 85.1 | 103 | 128 | 153 | 160 | 160 | 160 | 160 | 160 | 160 | 160 | 160 | |
40W | 13.4 | 16.1 | 20.1 | 24.1 | 26.8 | 33.5 | 40.2 | 48.3 | 51.3 | 64.1 | 76.9 | 92.3 | 103 | 128 | 154 | 192 | 231 | 256 | 290 | 300 | 300 | 300 | 300 | 300 | 300 | |
60W | 19.7 | 23.7 | 29.6 | 35.5 | 39.4 | 49.3 | 59.1 | 71.0 | 75.3 | 94.2 | 113 | 136 | 151 | 188 | 226 | 283 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | |
90W | 31.1 | 37.3 | 46.6 | 56.0 | 62.2 | 77.7 | 93.9 | 107 | 119 | 149 | 178 | 214 | 238 | 297 | 357 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
- Permissible Torque @60Hz (kgf.cm)
@60Hz | Ratio | 5 | 6 | 7.5 | 9 | 10 | 12.5 | 15 | 18 | 20 | 25 | 30 | 36 | 40 | 50 | 60 | 75 | 90 | 100 | 120 | 150 | 180 | 200 | 250 | 300 | 360 |
RPM | 300 | 250 | 200 | 167 | 150 | 120 | 100 | 83.3 | 75.0 | 60.0 | 50.0 | 41.6 | 37.5 | 30.0 | 25.0 | 20.0 | 16.6 | 15.0 | 12.5 | 10.0 | 8.3 | 7.5 | 6.0 | 5.0 | 4.1 | |
Permissible Torque (kgf.cm) |
6W | 1.71 | 2.10 | 2.60 | 3.10 | 3.42 | 4.30 | 5.13 | 6.20 | 6.84 | 8.60 | 9.80 | 11.8 | 13.1 | 16.3 | 19.6 | 24.5 | 29.4 | 32.7 | 39.2 | 46.2 | 55.4 | 60.0 | 60.0 | 60.0 | 60.0 |
15W | 4.20 | 5.02 | 6.30 | 7.53 | 8.40 | 10.5 | 12.6 | 15.1 | 16.7 | 20.9 | 24.0 | 28.8 | 32.0 | 40.0 | 48.0 | 60.0 | 72.0 | 80.0 | 96.0 | 100 | 100 | 100 | 100 | 100 | 100 | |
25W | 7.30 | 8.80 | 10.9 | 13.1 | 14.6 | 18.2 | 21.9 | 26.2 | 29.2 | 36.5 | 41.8 | 50.2 | 55.7 | 69.7 | 83.6 | 105 | 125 | 139 | 160 | 160 | 160 | 160 | 160 | 160 | 160 | |
40W | 10.9 | 13.1 | 16.3 | 19.6 | 21.8 | 27.2 | 32.7 | 39.2 | 41.6 | 52.0 | 62.4 | 74.9 | 83.2 | 104 | 125 | 156 | 187 | 208 | 235 | 294 | 300 | 300 | 300 | 300 | 300 | |
60W | 16.5 | 19.8 | 24.8 | 29.7 | 33.0 | 41.3 | 49.6 | 59.5 | 63.1 | 78.9 | 94.7 | 114 | 126 | 158 | 189 | 237 | 284 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | |
90W | 25.7 | 30.8 | 38.5 | 46.2 | 51.3 | 64.1 | 77.0 | 88.2 | 98.0 | 123 | 147 | 177 | 196 | 245 | 294 | 346 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |