The ZJR7-E is a device-type soft starter for three-phase 220-480V, 50/60Hz squirrel-cage motors. It requires an external bypass contactor and circuit breaker in the motor-control circuit; its data must not be mixed with the ZJR7-B built-in-contactor series.
| Soft starter Model | Rated Power (kW) | Rated Current (A) | Outline Size (mm) | Install Size (mm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| H | H1 | W | D | H2 | W1 | W2 | Φd | |||
| ZJR7-E11T3-S2 | 5.5kW | 11A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E15T3-S2 | 7.5kW | 15A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E22T3-S2 | 11kW | 22A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E30T3-S2 | 15kW | 30A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E37T3-S2 | 18.5kW | 37A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E44T3-S2 | 22kW | 44A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E60T3-S2 | 30kW | 60A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E74T3-S2 | 37kW | 74A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E90T3-S2 | 45kW | 90A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| ZJR7-E110T3-S2 | 55kW | 110A | 290 | - | 155 | 170 | 272 | 138 | - | 5.5 |
| Soft starter Model | Rated Power (KW) | Rated Current (A) | Outline Size (mm) | Install Size (mm) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| H | H1 | W | D | H2 | W1 | W2 | Φd | |||
| ZJR7-E150T3-S2 | 75kW | 150A | 380 | 360 | 220 | 230 | 340 | 180 | - | 7 |
| ZJR7-E180T3-S2 | 90kW | 180A | 380 | 360 | 220 | 230 | 340 | 180 | - | 7 |
| ZJR7-E220T3-S2 | 110kW | 220A | 380 | 360 | 220 | 230 | 340 | 180 | - | 7 |
| ZJR7-E264T3-S2 | 132kW | 264A | 490 | 447 | 270 | 230 | 422 | 230 | - | 7 |
| ZJR7-E320T3-S2 | 160kW | 320A | 490 | 447 | 270 | 230 | 422 | 230 | - | 7 |
| ZJR7-E370T3-S2 | 185kW | 370A | 490 | 447 | 270 | 230 | 422 | 230 | - | 7 |
| ZJR7-E400T3-S2 | 200kW | 400A | 490 | 447 | 270 | 230 | 422 | 230 | - | 7 |
| ZJR7-E440T3-S2 | 220kW | 440A | 490 | 447 | 270 | 230 | 422 | 230 | - | 7 |
| ZJR7-E500T3-S2 | 250kW | 500A | 560 | 497 | 310 | 230 | 472 | 270 | 100 | 7 |
| ZJR7-E560T3-S2 | 280kW | 560A | 560 | 497 | 310 | 230 | 472 | 270 | 100 | 7 |
| ZJR7-E630T3-S2 | 315kW | 630A | 560 | 497 | 310 | 230 | 472 | 270 | 100 | 7 |
| ZJR7-E710T3-S2 | 355kW | 710A | 590 | 527 | 350 | 230 | 502 | 300 | 110 | 9 |
| ZJR7-E800T3-S2 | 400kW | 800A | 590 | 527 | 350 | 230 | 502 | 300 | 110 | 9 |
| ZJR7-E900T3-S2 | 450kW | 900A | 590 | 527 | 350 | 230 | 502 | 300 | 110 | 9 |
| ZJR7-E1000T3-S2 | 500kW | 1000A | 660 | 577 | 420 | 230 | 552 | 370 | 135 | 9 |
| ZJR7-E1120T3-S2 | 560kW | 1120A | 660 | 577 | 420 | 230 | 552 | 370 | 135 | 9 |
| ZJR7-E1260T3-S2 | 630kW | 1260A | 660 | 577 | 420 | 230 | 552 | 370 | 135 | 9 |
Item | Item Description | ||
|---|---|---|---|
Rated working voltage | Three Phase 220-480VAC±10%/50(60)Hz | ||
Rated limit short-circuit current | 20kA (400A and Below) | 30kA (400A and above) | |
Coordination type | Type I | ||
Use categories | AC-53b | ||
Rated control supply voltage | 180-260VAC | ||
Rated insulation voltage | 660V | ||
Applicable motors | Squirrel-cage three-phase asynchronous motors | ||
Number of starts | It's recommended that No more than 5 times per hour, the number of starts can be set in the parameters | ||
Control mode | (1) Operation panel control; (2) External terminal control; (3) Communication control | ||
Start Mode | ⑴Voltage ramp starting; ⑵Torque Start; ⑶Kick start+Voltage ramp Start ⑷Kick start +torque start | ||
Stop Mode | ⑴Soft Stop; ⑵ Free Stop | ||
Protection Function | ⑴Instantaneous stop terminal open circuit fault; ⑵Soft starter overheating; ⑶Motor overheating; ⑷Input Phase loss; (5)Output phase loss; ⑹Three phase unbalance; ⑺Underload protection; ⑻Overload protection; ⑼The power supply voltage is too low; ⑽The power supply voltage is too high; ⑾Error setting parameters; ⑿The load is shorted circuit ; ⒀frequency error; ⒁External faults; ⒂ The starting time is too long; ⒃ Too many starting times and etc. | ||
Ambient | Place to be used | Indoor; no corrosive gases, no conductive dust; well ventilated. | |
Altitude | The altitude does not exceed 1000m, if it exceeds 1000m and is less than 3000m, the current is reduced by 1% for each additional 100m. | ||
Ambient temperature | Ambient temperature should be between -10℃~+40℃, +40℃~+50℃ should be derated, the current is derated by 2% for every 1℃ rise in temperature. | ||
Ambient humidity | The relative humidity is no more than 90%, without dew condensation . | ||
Vibration | Vibration force should be below 0.5G | ||
Structure | Protection Class | IP20 | |
Cooling Mode | Natural air cooling | ||
Application | Starting boost time (s) | Stop depressurization time (s) | Starting voltage (%) | Voltage starting (current limit value) |
|---|---|---|---|---|
Centrifugal Pump | 16 | 20 | 40 | 4 |
Ball Mill | 20 | 6 | 60 | 4 |
Fan | 26 | 4 | 30 | 4 |
Piston Compressor | 16 | 4 | 40 | 3 |
Light Load Motor | 16 | 2 | 30 | 3 |
Lifting Machinery | 6 | 10 | 60 | 3.5 |
Mixer | 16 | 2 | 50 | 4 |
Crusher | 16 | 10 | 50 | 4 |
Screw Compressor | 16 | 2 | 40 | 3 |
Spiral Conveyor Belt | 20 | 10 | 40 | 4 |
Belt Conveyor Belt | 20 | 10 | 40 | 3 |
Heat Pump | 16 | 20 | 40 | 3 |




