The conventional motor soft starter will switch to bypass contactor after starting. Online motor soft starter means that after the soft starter is started, there is no bypass and there is no need to switch bypass, and the main circuit thyristor is always running online, so it is called online soft starter.
When using a 220V main power supply, the beginning voltage can be varied from 0-110V to the rated voltage of 220V. This single phase module is compatible with 220V, 380V, frequency 50-60Hz, and gentle starting time for 30s adjustable (time rising relates to 0- 220V). The starting voltage can be changed from 0-180V to the rated voltage of 380V if the main power source is 380V. Soft start without soft stop and soft start with soft stop are the two software options available right now.
No. | Input power supply | Rated voltage | Adaptive motor power | Rated current | Model |
1 | Single phase | 220-380V | 1kW | 20A | SSR-20WA-R1 |
2 | Single phase | 220-380V | 1.5kW | 40A | SSR-40WA-R1 |
3 | Single phase | 220-380V | 2.0kW | 60A | SSR-60WA-R1 |
4 | Single phase | 220-380V | 4.0kW | 100A | SSR-100WA-R1 |
5 | Single phase | 220-380V | 6.0kW | 150A | SSR-150WA-R1 |
6 | Single phase | 220-380V | 8.0kW | 200A | SSR-200WA-R1 |
Online motor soft starter can be widely used as blew:
● Pump: make use of the soft stop function to relieve the influence of water hammer so as to save the system maintenance cost.
● Ball mill: make use of the voltage ramp startup to reduce gear torque friction so as to save cost and time.
● Fan: reduce the belt friction and mechanical conflict to save maintenance cost.
● Conveyor: make use of the soft start to realize smooth and gradual startup process in order to avoid product move and liquid overflow.
● Compressor: use limited current to realize smooth start-up, decrease heat from motor and prolong device life.
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