Reliable SP600 Inverter Open Loop Vector Control 150% Overload Capacity Dual RS485 Communication
Open Loop Vector Control Inverter
,150% Overload Capacity Vector Drive
,Dual RS485 Communication Frequency Inverter
Designed for easy installation, the SP600 supports both wall and floor mounting, with error‑proof pluggable terminals that save time and prevent mistakes. Its built‑in PT100, PTC, pressure sensors, and protection circuits keep your equipment safe around the clock.
With standard dual RS485 (Modbus RTU) communication, the SP600 connects smoothly to HMIs and IoT systems for smart control and one‑click startup. Covering a wide power range from 5.5kW to 132kW (380V) and 3.7kW to 75kW (220V, special order), it supports open‑loop vector, V/F, and permanent magnet motor control.
Whether you need better energy efficiency, more stable pressure, or simpler maintenance, the SP600 series delivers professional performance for modern air compressor applications.
- Error-Proof Pluggable Terminals: Anti-misconnection design prevents wiring errors, while quick-connect terminals significantly reduce on-site installation time and maintenance costs.
- Full-Parameter Monitoring & Protection: Built-in dedicated circuits for PT100 temperature sensors, PTC motor protection, pressure transducers, solenoid valves and cooling fans, delivering comprehensive fault detection and system protection.
- Seamless Connectivity for Smart Operations: Dual-channel RS485 (Modbus RTU) communication comes as standard, supporting direct connection to HMIs, PLCs and IoT platforms for remote monitoring, control and one-click startup functionality.

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Dimension |
SP600T-45KY-2 / SP600T-55KY-2 / SP600T-90KY-4 / SP600T-110KY-4 |
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W (mm) |
275 |
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H (mm) |
590 |
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H1 (mm) |
630 |
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D (mm) |
310 |
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A (mm) |
200 |
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B (mm) |
612 |
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Φd (mm) |
9 |
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Category |
Item |
SP600 Specification |
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Basic control functions |
Control mode |
Open loop vector control, V/F control, Support PM |
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Maximum frequency |
0~599Hz |
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Carrier frequency |
0.5kHz~8kHz, carrier frequency is automatically adjusted based on the load features. |
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Input frequency resolution |
Digital setting: 0.01HzAnalog setting: maximum frequency × 0.025% |
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Startup torque |
0.5 Hz/150% |
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Speed range |
1:100 |
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Speed stability accuracy |
± 0.2% |
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Torque control accuracy |
±10% |
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Overload capacity |
60s for 150% of the rated current, 3s for 180% of the rated current. |
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Communication methods |
RS485 |
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Input and output interfaces |
Analog Input |
1 pressure sensor: 4 ~ 20mA input2 temperature sensor: PT100 |
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Digital input |
2 digital input1 PTC circuit protection (compatible with normal digital inputs) |
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Digital Output |
1 normally open relay output (built in 220VAC voltage) |
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LED diode display |
Standard 3 LED display |
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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. |
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Environment |
Installation location |
Indoor, free from direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip or salt. |
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Altitude |
Below 1000m |
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Ambient temperature |
-10°C~40°C (de-rating if the ambient temperature is between 40°C and 50°C) |
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Humidity |
Below 95%RH, (non-condensing) |
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Vibration |
Below 5.9 m/s² (0.6 g) |
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Storage temperature |
-20°C~60°C |

Bebaios is a premier high-tech enterprise where deep scientific research meets a passion for industrial excellence. While we are proud of our comprehensive lineup—ranging from screw to scroll models—our true pride lies in our corporate culture.We believe that employee well-being is the foundation of innovation. By fostering a healthy, balanced, and tech-forward work environment, our team pours unmatched craftsmanship into every unit. This "human-centric" approach ensures that Bebaios products aren't just built; they are perfected. With a digital ERP backbone for total part traceability and a 24/7 global support heart, we stand by your side as you build the future.
A:Depending on the production cycle, completion is expected within 2-3 days.
A:12 months.
A:1 set.
A:Approximately 6,000 units per month. Thank you.
A:Sea freight
يوفر العاكس SP600 أسلاكًا مقاومة للأخطاء ودوائر حماية كاملة وRS485 مزدوج للتحكم الذكي. يدعم محركات الحلقة المفتوحة ومحركات PM، مما يجعله مثاليًا لعمليات ضاغط الهواء الفعالة والمستقرة.