v Provide soft starter and motor protector function, equipped online protection function, 3 input and 3 output design.
v Reduce the motor starting current, and reduce the investing cost of power distributor capability.
v Reduce machine starting stress to extend machine working service lifespan.
v No request the secondary wiring, configure multiple protection function, reliability function and long service time is available.
v LCD Chinese and English display for easy operating, testing and maintain.
v Compatibility with kinds of communication mode.
v Fully digital control system with kinds starting mode
v Apply micro control unit, fuzzy control and big current 0 point separate technology.
v Strong load adaptability and strong EMC capability, high running reliability
v Easy operation and maintaining.
v No using the Ac contactor to enhance the reliability.
v Accept widely voltage input, ±15% tolerance.
v Strong motor protection
v Built it MCCB, also configure short circuit protection.
v Configure interval delay starting function to avoiding start frequently.
v Input and output phase missing protection.
v Online running monitoring.
Three-phase power supply: AC380V, 440V 690V, 11kw to 600kw
| ST300 | Description | |
| Input Power Supply | Input Voltage | Three-phase 380V/690 AC |
| Frequency | 50/60Hz | |
| Adaptive Motor | Squirrel-cage three-phase asynchronous motor | |
| Starting Times | It is recommended not to exceed 20 times per hour. | |
| Control Mode | Operation panel control.(2) Operation panel + external control. | |
| 3) External control.(4) External control + COM control. | ||
| (5) Operation panel + external + COM control.(6) Operation panel + COM control. (7) COM control. (8) No start or stop operation. | ||
| Start Mode | (1) Current-limiting to start. (2) Voltage ramp to start. (3) Torque control + current-limiting to start. (4) Torque control + voltage ramp to start. | |
| (5) Current ramp to start. (6) Voltage current-limiting double closed-loop start. | ||
| Stop Mode | (1) Soft stop. (2) Free stop. | |
| Protective Function | (1) Open loop protection for external instantaneous stop terminals. | |
| (2) Over-heat protection for soft starter. | ||
| (3) Protection for too long starting time. | ||
| (4) Input open phase protection. | ||
| (5) Output open phase protection. | ||
| (6) Unbalanced three-phase protection. | ||
| (7) starting over current protection. | ||
| (8) Running overload protection. | ||
| (9) Under voltage protection for power voltage. | ||
| (10) Overvoltage protection for power voltage. | ||
| (11) Protection for fault parameter setting. | ||
| (12) Load short circuit protection. | ||
| (13) Auto restart or incorrect wiring protection. | ||
| (14)Incorrect wiring protection of external control stop terminals. | ||
| Ambient | Place to be used | Indoor location with good ventilation free from corrosive gas and conductive dust. |
| Altitude | Below 1000M. It have to rise the rate power when the altitude is more than 1000M. | |
| TST300perature | -30 +55 oC | |
| Humidity | 90%RH without dew condensation. | |
| Vibration | <0.5G | |
| Structure | Protection Class | IP20 |
| Cooling Pattern | Natural wind cooling. | |
