3G3JZ Inverter: Compact Design + 150% Torque for Fans, Pumps & Conveyors
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Detailed Product Description
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3G3JZ Inverter Overview The 3G3JZ Inverter is a compact, intelligent general-purpose
inverter featuring built-in RS485 (Modbus RTU), SPWM control
delivering over 150% torque at 3Hz, and a unified form factor for
space-saving installation. Designed for fans, pumps, conveyors, and
various industrial applications. Key Features
Electrical Specifications
Model Specifications Single-phase 200-240VAC (AB Series)
Three-phase 200-240VAC (A2 Series)
Three-phase 380-460VAC (A4 Series)
Application Areas
Frequently Asked Questions Q1: My factory uses 480VAC three-phase power - which series should
I pick? Choose the A4 series (380-460VAC) as 480V falls within its voltage
range. The A2 series is only for 200-240VAC and would be damaged at
higher voltages. Q2: The inverter stops working when my conveyor has heavy loads -
why? This could be due to undersized power selection or incorrect
overload time settings. Verify your model matches the motor power
requirements and adjust overload parameters if needed. Q3: Can I install two 3G3JZ inverters side by side? Yes, but maintain at least 5cm spacing between units, especially
for forced air-cooled models to ensure proper ventilation and
prevent overheating. Q4: My inverter makes a loud humming noise - is that normal? Low hum is normal motor magnetic noise. For high-pitched whine,
adjust the carrier frequency parameter (typically P012) to 5-8kHz
to reduce noise levels. Q5: I connected to Modbus but it won't communicate - what's wrong? Verify baud rate and parity settings match (default 9600bps, 8N1),
check RS485 wiring (A to A, B to B), and add 120Ω terminal
resistors for long cable runs. Q6: Can I use the AB series for a 3-phase motor? No, the AB series outputs single-phase power only. Three-phase
motors require balanced three-phase voltage to operate properly. Q7: The inverter shows "E.OV" (overvoltage) when stopping - how to
fix? Increase deceleration time (parameter P008) or install an external
brake resistor to handle motor regeneration during quick stops. Q8: My workshop is at 1500m altitude - do I need a special model? No special model required, but derate output current by 5% at 1500m
altitude due to reduced cooling efficiency in thinner air. Q9: Can I use this inverter for a water pump running 24/7? Yes, the 3G3JZ is rated for continuous duty. Ensure proper sizing
and enable pump mode (parameter P020) to prevent water hammer. Q10: The display is in Japanese - how do I change to English? Hold MODE key for 3 seconds, navigate to language settings (usually
around P050), and select English. Consult the user manual for
detailed instructions. |
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| Product Tags: Omron 3G3JZ inverter for fans compact frequency inverter converter 150% torque inverter for pumps |
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