SZGH-S4T075 75KW AC spindle servo driver
SZGH-S4T075 75KW AC spindle servo driver
  • SZGH-S4T075 75KW AC spindle servo driver
  • SZGH-S4T075 75KW AC spindle servo driver

SZGH-S4T075 75KW AC spindle servo driver

Overview: SZGH-S4T075, AC spindle servo driver, rated input voltage: 3-phase 380VAC, rated output current: 150A, rated output capacity: 99KVA, matching 75kW AC spindle servo motor (SZGH18-1-478-75 -4-1500).


Product Description


High performance

Comprehensive control functions: stable speed control, precise position control, excellent torque control.

Safe and reliable

Products in line with international standards, through CE certification improvement. Set up multiple protection circuits to fully protect safety equipment.

Remote communication function (optional)

The product can be configured with remote communication function, and the mobile phone can be remotely controlled by connecting the SIM card module.

Powerful scalability (optional)

The spindle driver can be configured with a variety of expansion modules, such as digital terminal expansion module, analog terminal expansion module, encoder feedback divider output, RS485 ModBus RTU,CANopen,GSM / GPRS module, digital display module, dual position loop module interface.

And it can also be customized according to the user's specific application, and can be easily connected to CNC controller, HMI,PLC and other control equipment.



Input power

Rated voltage/frequency

Three-phase 380V / 480V; 50Hz / 60Hz

Allowable voltage range


Permissible Frequency Fluctuation

± 5%

Control functions/p>

Control mode

PWM vector control

Speed adjustment range


speed stability accuracy

± 0.1%

Acceleration/Deceleration Time


Torque control

200% rated torque output; torque accuracy ± 5%

Position control accuracy

±1 Pulse

Braking mode

dynamic braking

Overload capacity

double overload


Digital input/p>

10 points, NPN or PNP (optional)

Digital output

6 points, NPN

Relay output

2, DC30V / 1A or AC250V / 1A

Analog Input

2 inputs, A0:±10V; A1: 0~±10V Or 4~20mA(Optional)

External pulse input

1 type, ABZ phase pulse, pulse direction or CW (optional)

Motor Encoder Input

Type 1, RS422 TTL, rotary connector (optional)

Motor Encoder Output

1, RS42TTL, output frequency range: 0~1MHz

Protection function

Overvoltage protection, low voltage protection, overcurrent protection, overheat protection, module protection, overload protection, output short circuit protection, encoder abnormal protection

Working environment

Business premises

The product should be installed vertically in the electric control cabinet with good ventilation. The product should be installed in an environment free of direct sunlight, dust, corrosive gas, combustible gas, oil mist, steam and dripping water

Ambient temperature

-10 ℃ ~ 45 ℃


5 ~ 90%, no condensation allowed


0~3000 meters, derating more than 1000m, every increase of 100m, rated output current should be reduced by 1%


Below 20Hz: 1G; 20~50Hz:0.2G


Type F