SD300 Series VFD for Outdoor Pumps
SD300 Series VFD for Outdoor Pumps
The SD300 series outdoor pump-specific VFD (Variable Frequency Drive) is designed specifically for complex outdoor working conditions. It features an enhanced algorithm for precise flow and pressure control, a long-life design, and the ability to withstand harsh environments. The lower-end wiring and handle design make installation and transportation convenient. It also supports remote access, with upgraded lightning protection for enhanced safety and peace of mind.
PRODUCT CHARACTERISTICS
Precise control: Algorithm enhancement for precise control
Rich energy-saving function:Adopting energy-saving control technology to ensure e f ficien t and energy-saving operation of the motor
Convenient to install and carry:THE lower end in and out of the line design, installation is hassle-free; intimate carrying handle design, more convenient to carry.
Enhanced lightning protection design:Special enhanced lightning protection circuit, safety is consolidated again
Safety & High Reliability:Safe to use even in harsh environments by adop ting long-li fe design, ins tan taneous blackout countermeasures, and humidityand dust-resistant treatments.
Remote monitoring:Can be accessed from a remote location via a smartphone and is able to automatically adjust the operating status based on realtime data.
SPECIFICATION PARAMETERS
| Model | PPower rating （kW) | Output current （A）） | Input current （A） | External dimension （kW） |
| SD300-4T-3.0G | 3.0 | 7.1 | 8.6 | 3.0 |
| SD300-4T-4.0G | 4.0 | 9.0 | 10.5 | 3.7 |
| SD300-4T-5.5G | 5.5 | 13.6 | 17.5 | 5.5 |
| SD300-4T-7.5G | 7.5 | 17 | 22 | 7.5 |
DIMENSIONS & CONFIGURATION PARAMETER
Model | External dimension （mm） | Installation dimensions （mm） | Mounting hole diameter （mm） | |||
| H | D | W | W1 | H1 | d | |
| SD300-4T-3.0G | 220 | 138 | 130 | 116 | 206 | 5 |
| SD300-4T-4.0G | ||||||
| SD300-4T-5.5G | 270 | 151 | 130 | 117 | 257 | 5 |
| SD300-4T-7.5G | ||||||
TECHNICAL SPECIFICATIONS
Power input | Rated input voltage | 400V Voltage Class:Three-phase 380V~440V |
| Frequency | 50Hz/60Hz±5% | |
| Voltage range | -20% ～ +15%；Voltage out-of-balance rate<3% | |
| Output voltage | Three phase：0%~rated input voltage, error < ±3% | |
| Power output | Output frequency | 0 ～ 600.00Hz（Can be changed by parameter） |
| Overload capacity | 150% - 60 s | |
| Control mode | SVC、V/F control | |
Control characteristics | Range of speed regulatio | 1：200（SVC） |
| Speed accuracy | 0.5%（SVC） | |
| Torque control accuracy | 5%（SVC） | |
| Torque increase | Automatic torque lifting; Manual torque increased by 0.1-30.0% | |
| Starting torque | 0.25Hz/150%（SVC） | |
| ACC/DEC time | 0.0 ～ 30000s | |
| Basic functions | Carrier frequency | 0.5kHz ～ 16kHz |
| Frequency setting | Digital setting + control panel 、Communication | |
| Motor start-up methods | Started from starting frequency 、DC brake start-up、Speed tracking start | |
| Motor stop method | Ramp to stop 、Free stop | |
Featured functions | Display and concealment of function codes, fan control, multi-function key settings, various main and auxiliary feeds and switching, a variety of Accel/Decel curves curves optional, analogue auto-correction, high-precision torque limitation, V/f separation control, oscillating-frequency control and operation, multigroup fault recording, over-excitation braking, over-voltage stalling, under-voltage stalling, restarting after a power failure, frequency jumping, frequency bounding, free switching of four acceleration and deceleration times, process PID control, simple PLC, parameter recognition, weak magnetism control, etc. control, simple PLC, parameter identification, weak magnetic control, etc. | |
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 | 5~95%, no condensation | |
| Vibration | Less than 5.9m/s² (0.6g) | |
| Storage temperature | -20℃～ +60℃ | |
| Others | IP grade | IP54 |
| Cooling method | Forced air cooling | |
