General wiring instructions for CH/CV series horizontal vertical gear reduction motors
Wiring diagram of three-phase gear motor junction box connected to 380V and 220V
·The speed ratio of the horizontal vertical gear motor can range from 1; 3 achieve 1; 13000 · The motor power can be increased from 0.1KW to 7.5KW. In addition, the following special specifications of motors and reducers can be customized (single-phase motor, brake motor, 6/8 level motor, manual release brake motor, forced fan motor, waterproof motor, etc.)
Mounting Dimensions (Key Points)
| Shaft Dia. | Shaft Length | Key Size |
|---|---|---|
| 18mm | 30mm | 5×5×27 |
| 22mm | 40mm | 7×7×35 |
| 28mm | 45mm | 7×7×40 |
| 32mm | – | 10×8×50 |
| 50mm | 80mm | 14×9×75 |
3 phase gear motor wiringFAQ：
Q1: Can this 3‑phase gear motor work with both 220V and 380V power supply?
A: Most of our three‑phase gear motors support dual‑voltage operation. Change the star‑delta connection inside the terminal box: star(Y‑X‑Z connected together) for 380V input, delta(U‑Z, V‑X, W‑Y linked) for 220V three‑phase input. Never mix‑up the connection mode, otherwise the motor winding will burn out.
Q2: What will happen if I make wrong star‑delta wiring?
A: Incorrect connection causes overheating, loud noise, winding burnout or instant motor damage. Please double‑check terminal connections before power‑on.
Q3: Do I need to add thermal overload protection for gear motor?
A: Highly recommended for continuous‑running equipment like conveyors. Thermal relay prevents overcurrent damage and extends the whole unit service life.
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