ARND-4091B | Industrial AC Drive (Variable Frequency Drive)

Description

Technical Specifications

Product Model | ARND-4091B
Manufacturer | Toshiba
Product Type | Industrial AC Drive (Variable Frequency Drive)
Input Voltage | 3-Phase 200-480V AC ±10%
Output Power | 7.5 kW (10 HP)
Output Frequency | 0.5-400 Hz
Control Method | Sensorless Vector Control
Communication Protocols | Modbus RTU, Ethernet/IP, DeviceNet
Overload Capacity | 150% for 60 Seconds
Braking Torque | 200% (Dynamic Braking Optional)
Operating Temperature | -10°C to +50°C
Protection Class | IP55 (Chassis), IP20 (Terminals)
Certifications | UL, CE, cURus
Warranty | 3 Years Comprehensive
Minimum Order Quantity | 1 Unit

Key Features and Advantages

The ARND-4091B combines precision motor control with rugged industrial design, featuring adaptive auto-tuning that reduces commissioning time by 70% compared to traditional VFDs. Its proprietary torque ripple suppression technology ensures smooth operation down to 0.5 Hz, eliminating cogging in low-speed conveyor applications. The drive’s dual cooling path design maintains full load capacity at 50°C ambient without derating.

Energy optimization: Built-in energy consumption calculator with kWh/MWh tracking enables real-time efficiency monitoring. The 32-bit RISC processor executes advanced PID control loops with 0.1% speed accuracy, ideal for tension-controlled winding systems. Integrated RFI filters meet EN 61800-3 Category C3 standards for electromagnetic compatibility in sensitive environments.

2N3A8204-B

Application Areas

In wastewater treatment plants, the ARND-4091B precisely controls aeration blower speeds to maintain dissolved oxygen levels within ±0.2 ppm. Food processing lines utilize its washdown-ready IP55 enclosure for sauce mixing agitators exposed to daily high-pressure cleaning. Mining operations deploy this drive for conveyor belt systems, where its vibration-resistant design (5G抗震) ensures reliability in underground environments.

HVAC applications benefit from the drive’s built-in pump and fan curves, automatically optimizing energy use across cooling tower networks. The Ethernet/IP connectivity enables seamless integration with SCADA systems for remote monitoring of plastic injection molding machines.

Related Products

ARND-4085B: 5.5 kW variant for mid-range applications.
VF-AS1 HMI: 7″ touch panel with drive parameter cloning.
TOSVERT-3000: Regenerative drive for crane applications.
ARND-4091B-DB: Model with integrated dynamic braking.
TIC-8000 PLC: Programmable controller with native drive integration.
LQ-EMC Filter: Harmonic mitigation accessory for sensitive grids.

Installation and Maintenance

Installation preparation: Mount the ARND-4091B vertically with ≥100mm clearance above/below for airflow. Use copper conductors rated for 90°C with torque-limited terminals (2.0 Nm ±10%). Perform insulation resistance test (>5 MΩ) before initial power-up in humid environments.

Maintenance recommendations: Clean air filters quarterly using dry compressed air (<0.3 MPa). Update firmware annually via USB service port. Monitor DC bus capacitor health through the drive’s self-diagnostic menu (replace if ESR > 0.5Ω). For continuous operation above 40°C, conduct infrared thermal scans semi-annually.

Product Assurance

Every ARND-4091B undergoes 72-hour load cycling with 150% overload simulation. Our 24/7 DriveSupport Hotline provides multilingual technical assistance with guaranteed 4-hour response for critical failures. Extended warranty options cover power component replacement for up to 5 years. Free access to Toshiba DriveTools™ software includes energy savings calculators and predictive maintenance algorithms.

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