ZK270 Series VFD for Fan & Pump
ZK270 Series VFD for Fan & Pump
This product is a special AC drive for fan and pump applications, the whole series adopts book-type structural design, compact structure, powerful and stable performance, and can be applied to sewage treatment, HVAC, chemical industry, metallurgy, electric power and other industries of fan and pump load drive.
Power Range Three phase 380V-440V:1.5 kW ~ 400 kW
PRODUCT CHARACTERISTICS
Compact design:Book-style design for easy installation and a more compact product structure.
Energy efficient:Integrated with a brand-new ECO energy saving algorithm to reduce operational costs.
Flexible Configuration:Options for built-in DC reactors and output reactors.
Easy Debugging:Supports upper computer software for simple and Debugging commissioning.
TECHNICAL SPECIFICATIONS
Power input | Rated input voltage | 400V Voltage Class:Three-phase 380V~440V |
| Frequency | 50Hz/60Hz±5% | |
| Voltage range | -15% ~ +15%,Voltage out-of-balance rate<3% | |
| Power output | Output voltage | 3-phase:0~rated input voltage, error < ±3% |
| Output frequency | 0 ~ 599.00Hz(Can be changed by parameter)unit:0.01Hz | |
| Overload capacity | 120% - 60 s | |
Control characteristics | Control mode | SVC、FVC、V/F control |
| Starting torque | 0.25Hz/150%(SVC),0Hz/200%(FVC) | |
Carrier frequency | 1.0kHz ~ 16kHz | |
Input & Output terminals | Analog input | 2 way AI,0 ~ 10V or 0/4 ~ 20mA are selectable |
| Digital input | 5 way DI,DI5 can be equipped with high-speed pulse input as an option., 0~50kHz | |
| Analog output | 1 way AO,0 ~ 10V or 0/4 ~ 20mA are selectable. | |
| output | 1 way DO,Optional high speed pulse output,0~100kHz | |
| Relay output | 1 relay output: T1 (normally open and normally closed),Contact drive capability: AC250V,3A;DC30V,5A | |
| Environment | Altitude | 0~2000m. De-rate 1% for every 100m when the altitude is above 1000 meters |
| Ambient temperature | -10℃ ~50℃ , The rated output current should be derated 1% for every 1℃ when the ambient is 40℃ ~50℃ | |
| Relative humidity | 0~95%, no condensation | |
| Vibration | Less than 5.9m/s² (0.6g) | |
| Storage temperature | -20℃~ +60℃ | |
DIMENSIONS


SPECIFICATION PARAMETERS
| Model | Power rating (kW) | Output /Input current (A) | Recommended power for brake resistance (kW) | Recommended brake resistance (Ω) | External dimensions (mm) | Brake unit |
| ZK270-4T-1.5KB | 1.5 | 3.8 / 4.6 | 0.15 | ≥ 150 | 76*200*160 | Inbuilt |
| ZK270-4T-2.2KB | 2.2 | 5.1 / 6.3 | 0.15 | ≥ 150 | ||
| ZK270-4T-3.7KB | 3.7 | 9.0 / 11.5 | 0.3 | ≥ 100 | ||
| ZK270-4T-5.5KB | 5.5 | 13 / 16.8 | 0.3 | ≥ 76 | ||
| ZK270-4T-7.5KB | 7.5 | 17 / 22 | 0.4 | ≥ 76 | 100*242*165 | |
| ZK270-4T-11KB | 11 | 25 / 32.5 | 0.5 | ≥ 76 | ||
| ZK270-4T-15KB | 15 | 32 / 41.5 | 0.8 | ≥ 40 | 116*320*185 | |
| ZK270-4T-18.5KB | 18.5 | 37 / 49.6 | 1.0 | ≥ 27 | 142*383*227 | |
| ZK270-4T-22KB | 22 | 45 / 59 | 4.0 | ≥ 27 | ||
| ZK270-4T-30KB | 30 | 60 / 65 | 4.5 | ≥ 27 | ||
| ZK270-4T-37K | 37 | 75 / 80 | 6.0 | ≥ 16 | 173*430*230 | Inbuilt optional |
| ZK270-4T-45K | 45 | 91 / 95 | 7.4 | ≥ 16 | ||
| ZK270-4T-55K | 55 | 112 / 118 | 9.0 | ≥ 14 | 242*560*310 | |
| ZK270-4T-75K | 75 | 150 / 157 | 11 | ≥ 10 | ||
| ZK270-4T-90K | 90 | 176 / 180 | 15 | ≥ 8.0 | ||
| ZK270-4T-110K | 110 | 210 / 214 | 18 | ≥ 6.8 | 270*638*350 | |
| ZK270-4T-132K | 132 | 253 / 256 | 22 | ≥ 6.8 | ||
| ZK270-4T-160K | 160 | 304 / 287 | 27 | ≥ 4.5 | 349*738*403 | Externally mounted when needed |
| ZK270-4T-185K | 185 | 326 / 306 | 32 | ≥ 3.6 | ||
| ZK270-4T-200K | 200 | 377 / 365 | 37 | ≥ 3.3 | 360*940*480 | |
| ZK270-4T-220K | 220 | 426 / 410 | 40 | ≥ 3.3 | ||
| ZK270-4T-250K | 250 | 465 / 441 | 44 | ≥ 2.7 | ||
| ZK270-4T-280K | 280 | 520 / 495 | 50 | ≥ 2.7 | 369*1141*550 | |
| ZK270-4T-315K | 315 | 585 / 565 | 56 | ≥ 2.2 | ||
| ZK270-4T-355K | 355 | 650 / 617 | 63 | ≥ 1.9 | 400*1250*550 | |
| ZK270-4T-400K | 400 | 725 / 687 | 70 | ≥ 1.7 |




