Energy Saving VFD RS485 Communication Open Loop Vector Control Drive SP600 for Industrial Compressor
Energy Saving VFD
,RS485 Communication Variable Frequency Drive
,Open Loop Vector Control Inverter
The SP600 series is a high‑performance integrated drive solution purpose‑built for air compressor systems, combining compact design, powerful control, and complete protection. It supports flexible wall or floor installation to adapt to various on‑site layouts. Error‑proof pluggable terminals simplify installation and reduce wiring errors.
Onboard integrated circuits cover temperature (PT100, PTC), pressure, solenoid valves, and fan control, providing full‑featured monitoring and protection. Dual RS485 (Modbus RTU) ports allow seamless connection to HMIs, PLCs, and IoT platforms, realizing intelligent networking and one‑key operation.
- Dual Installation Flexibility: Choose between wall or floor mounting to perfectly fit your air compressor setup, saving space and simplifying integration.
- Hassle-Free, Error-Proof Wiring: Pluggable terminals with anti-misconnection design eliminate wiring mistakes, cutting installation time by half.
- All-In-One System Protection: Pre-integrated PT100, PTC, pressure sensors, solenoid valve and fan monitoring keep your compressor safe from temperature, pressure and electrical faults 24/7.
- Ready for Smart & IoT Control: Standard dual RS485 Modbus RTU ports let you connect to HMIs and IoT systems easily, with one-click startup for effortless operation.

|
Dimension |
SP600T-5R5KY-2 / SP600T-7R5KY-2 / SP600T-11KY-4 / SP600T-15KY-4 |
|
W (mm) |
145 |
|
H (mm) |
293 |
|
H1 (mm) |
335 |
|
D (mm) |
172 |
|
A (mm) |
100 |
|
B (mm) |
320 |
|
Φd (mm) |
7 |
|
Category |
Item |
SP600 Specification |
|
Basic control functions |
Control mode |
Open loop vector control, V/F control, Support PM |
|
|
Maximum frequency |
0~599Hz |
|
|
Carrier frequency |
0.5kHz~8kHz, carrier frequency is automatically adjusted based on the load features. |
|
|
Input frequency resolution |
Digital setting: 0.01HzAnalog setting: maximum frequency × 0.025% |
|
|
Startup torque |
0.5 Hz/150% |
|
|
Speed range |
1:100 |
|
|
Speed stability accuracy |
± 0.2% |
|
|
Torque control accuracy |
±10% |
|
|
Overload capacity |
60s for 150% of the rated current, 3s for 180% of the rated current. |
|
|
Communication methods |
RS485 |
|
Input and output interfaces |
Analog Input |
1 pressure sensor: 4 ~ 20mA input2 temperature sensor: PT100 |
|
|
Digital input |
2 digital input1 PTC circuit protection (compatible with normal digital inputs) |
|
|
Digital Output |
1 normally open relay output (built in 220VAC voltage) |
|
|
LED diode display |
Standard 3 LED display |
|
Protection |
Protection functions |
Motor overheating protection (PTC), power-to-ground short-circuit protection, inverter over-current, overload, over voltage, under voltage, over temperature, output phase, communication fault, fault current detection, EEPROM write failure and so on. |
|
Environment |
Installation location |
Indoor, free from direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip or salt. |
|
|
Altitude |
Below 1000m |
|
|
Ambient temperature |
-10°C~40°C (de-rating if the ambient temperature is between 40°C and 50°C) |
|
|
Humidity |
Below 95%RH, (non-condensing) |
|
|
Vibration |
Below 5.9 m/s² (0.6 g) |
|
|
Storage temperature |
-20°C~60°C |

Shenzhen Bebaios Machinery Co., Ltd. specializes in manufacturing industrial air compressors and pneumatic equipment. Located in Shenzhen, one of the world’s leading high-tech manufacturing hubs, we take full advantage of local industrial resources to provide reliable, energy-saving air solutions to global clients.
Quality Assurance:Stable performance and strict compliance with international quality standards.
Complete Service System:24/7 after-sales service and a professional support team ensure fast, efficient responses to customer needs.
Q1: What is your factory's monthly production capacity?
A: We have the capacity to produce around 6,000 units per month, ensuring a reliable and timely supply for large-scale orders.
Q2: What is the warranty period for your air compressors?
A: All our compressors come with a 12-month warranty for complete peace of mind and technical support.
Q3: Where do you ship from?A: Shenzhen Port
Q4: How do I place an order for an air compressor?
A: Simply provide us with your requirements or application, and we'll send a quote based on your needs. Once you confirm and place a deposit, production will begin.
Q5: What are the shipping methods and expected delivery times?
A: We ship via sea freight, with delivery times typically ranging from 40 to 55 days, depending on the destination country.
SP600 inverter integrato per compressori d'aria. Presenta cablaggio a prova di errore, protezione all-in-one (temperatura, pressione) e doppia RS485 per il controllo IoT. Montaggio flessibile a parete/pavimento, controllo V/F a risparmio energetico.