Omron 3G3RX-A4055-E1F AC Drive

Series#: Omron

Product Details

3G3RX-A4055-E1F – OMRON RX Series High-Performance Vector Control Inverter, 5.5 kW / 7.5 HP.
Advanced open-loop vector control for precise torque and speed regulation across demanding industrial applications.
Built-in EMC filter (Class A) and DC reactor for reduced harmonics and reliable operation in noisy environments.
Compact, modular design with plug-in option cards for fieldbus (EtherCAT, PROFIBUS, etc.) and I/O expansion.
Wide input voltage range (3-phase 380–480 VAC) with robust overload capacity: 150% for 60 seconds.
100% Brand New & Original, securely packed and ready for reliable global shipping.

Specification

The OMRON 3G3RX-A4055-E1F is a cornerstone of the RX Series drive family, engineered for precision motor control in automation systems ranging from conveyors and pumps to fans and machine tools. This 5.5 kW (7.5 HP) model features a 3-phase 380–480 VAC input with a built-in EMC filter and DC reactor, ensuring compliance with global EMC standards and minimizing harmonic distortion. Its advanced vector control algorithm delivers high torque at low speeds (0.5 Hz at 200% torque) and exceptional speed regulation (0.02% with encoder feedback). The drive supports both V/f and sensorless vector modes, with a rugged IP20 enclosure suitable for cabinet mounting. With a compact footprint and easy-to-navigate LCD keypad, the 3G3RX-A4055-E1F simplifies commissioning and maintenance, while its integrated safety functions (STO, Safe Torque Off) ensure operator protection. For network integration, optional fieldbus modules enable seamless connectivity to EtherCAT, PROFINET, or Modbus TCP/IP systems.

Parameter	Specification
Model	3G3RX-A4055-E1F
Manufacturer	OMRON (RX Series)
Power Rating	5.5 kW (7.5 HP)
Input Voltage	3-phase, 380–480 VAC, 50/60 Hz
Output Voltage	3-phase, 0–480 VAC (proportional to input)
Rated Output Current	12.5 A (standard duty)
Overload Capacity	150% for 60 seconds, 200% for 3 seconds (heavy duty)
Control Method	V/f, Sensorless Vector Control, Open Loop Vector
Frequency Range	0.01–400 Hz
Speed Regulation	±0.2% (sensorless), ±0.02% (with encoder)
Starting Torque	200% at 0.5 Hz (sensorless vector)
Built-in EMC Filter	Class A (EN 61800-3)
DC Reactor	Integrated (reduces THD to <40%)
Protection Class	IP20 (NEMA 1)
Ambient Temperature	-10°C to +50°C (derating above 40°C)
Cooling Method	Forced air (integrated fan)
Communication Options	EtherCAT, PROFINET, Modbus TCP, PROFIBUS (via plug-in cards)
Digital Inputs	6 (programmable, NPN/PNP)
Digital Outputs	2 (relay + open collector)
Analog Inputs	2 (0–10 V, 4–20 mA)
Analog Outputs	1 (0–10 V)
Safety Function	Safe Torque Off (STO) per EN ISO 13849-1
Keypad	LCD display with 5-button navigation
Dimensions (H x W x D)	260 mm x 140 mm x 170 mm (approx.)
Weight	Approx. 2.8 kg
Certifications	CE, UL, cUL, RoHS, EAC