The Chint TR150-74/ZX3 is a soft starter belonging to the Chint TR150-ZX series.
Chint provides a Chinese PDF manual for this series of soft starters. After accessing the relevant page, locate the **Document Download** section and click on the corresponding manual file to save it.
| Category | Specific Details |
| Basic Electrical Parameters | Input voltage: AC 380V (range: AC 323V – AC 437V), suitable for standard squirrel-cage three-phase asynchronous motors; rated insulation voltage: AC 660V; impulse withstand voltage: 8kV |
| Core Operating Functions | Supports 7 starting modes including standard current, boosted voltage, and linear torque; offers 3 stopping modes such as free coast stop and braking stop; equipped with functions like low-speed forward/reverse rotation, secondary current limiting, and light-load energy saving, suitable for both heavy-load starting and light-load energy-saving scenarios |
| Protection Functions | Covers 24 protection functions including running overload, input/output phase loss, three-phase imbalance, soft starter overheating, undervoltage, and overvoltage; multiple selectable overload protection classes such as Class 2 and Class 10A |
| Interface Characteristics | Includes 2 channels of programmable digital input, 3 channels of relay output, 1 channel of PTC temperature input, and 1 channel of analog output; optional RS485 communication interface with Modbus protocol |
| Operating Environment | Operating temperature: -10℃~+40℃; current derating by 2% per 1℃ temperature rise in the range of 40℃ – 50℃; pollution degree: 3; derating operation is required in accordance with specifications when the altitude exceeds 1000m |
| Structure and Display | Cooling method: forced air cooling; protection class: IP20; configurație standard: Chinese LCD panel, optional English panel; supports motor-free commissioning |
Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare


