Customized VFD
SD300 VFD for Outdoor Pumps
A three-phase 380 V outdoor pump drive from 3 to 7.5 kW, with upgraded lightning protection, bottom-entry wiring and a carrying handle.

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
- Power Range
- Three-phase 380V 3kW-7.5kW
Ask about SD300 on WhatsApp Email for pricing
Sold to buyers in Philippines, Turkey, Morocco and beyond.
Problems it solves
Why this model gets specified
Outdoor pump panels take surge damage in storm season. SD300 ships with upgraded lightning protection.
Field installation on a pump skid is awkward with top-entry glands. Lower-end wiring and a handle make installation and transport practical.
Flow and pressure drift as conditions change outdoors. An enhanced algorithm gives precise flow and pressure control.
Who it is for: Irrigation and outdoor water supply contractors installing 3–7.5 kW three-phase pump sets in exposed locations.
Key benefits
Developed for harsh environments such as high humidity
high dust, high oil pollution, etc
Whole machine protection level is IP54
Supports asynchronous motors and permanent magnet motors
Technical specifications
As published for this series. Confirm the exact figures for your model code with Boray before ordering.
| Power Range | Three-phase 380V 3kW-7.5kW |
|---|---|
| V Voltage Class | Three-phase 380V~440V Frequency 50Hz / 60Hz±5% |
| Voltage range | 20% ~ +15%;Voltage out-of-balance rate<3% Power output |
| Output voltage | Three phase:0%~rated input voltage, error < ±3% |
| 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 |
| 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 |
Engineering detail
Technical features
- 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-life 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
Applications
- Coal mining Cement manufacturing Automobile spraying workshop Metallurgical smelting Food processing workshop Port loading and unloading Textile printing and dyeing Paper mill Dimensions & Configuration Parameter
Before you order the SD300 VFD for Outdoor Pumps
Four or five details decide the model code. These are the ones that matter for this series:
- Confirm the supply and rating
- Power Range: Three-phase 380V 3kW-7.5kW
- Confirm the supply and rating
- V Voltage Class: Three-phase 380V~440V Frequency 50Hz / 60Hz±5%
- Confirm the supply and rating
- Voltage range: 20% ~ +15%;Voltage out-of-balance rate<3% Power output
- Confirm the supply and rating
- Output voltage: Three phase:0%~rated input voltage, error < ±3%
- Match the motor and control mode
- Control mode: SVC、V/F control Control characteristics Range of speed regulatio 1:200(SVC) Speed accuracy 0.5%(SVC)
Every Boray unit is full-load tested before delivery, and the customised VFD programme can adapt function set, protection rating and mechanical arrangement where a standard model does not fit. Operation manuals and wiring diagrams are issued per model code — request them with your enquiry.
Frequently Asked Questions
What is the power range?
Three-phase 380 V, 3 kW to 7.5 kW.
What outdoor-specific features does it have?
Upgraded lightning protection, a long-life design and construction that withstands harsh environments.
How is it wired and handled?
Lower-end wiring and a handle design make installation and transport convenient.
Does it support remote access?
Yes, remote access is supported.
What control does it provide for the pump?
An enhanced algorithm for precise flow and pressure control.
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Request pricing for the SD300 VFD for Outdoor Pumps
Send the motor rating, supply voltage and site conditions. Boray confirms the model code, options and lead time — documentation is available on request.
WhatsApp +86 189 2640 9646 Email the engineering team All contact details
