Fuji Electric FRN7.5LM1S-4EA Elevator Inverter – FRENIC-Lift Series

The Fuji Electric FRN7.5LM1S-4EA is a high-performance inverter specifically designed for elevator (lift) systems, combining reliability, precision, and energy efficiency. Developed to meet the demanding needs of vertical transportation, this inverter is an ideal choice for both new installations and modernizations, ensuring smooth and comfortable operation.

Key Features

• Model: FRN7.5LM1S-4EA
• Application: Designed for elevator systems with advanced control for both induction and synchronous motors.
• Capacity: 7.5 kW
• Power Supply: 3-phase, 380 to 480 V, 50/60 Hz
• Overload Capacity: 200% for 10 seconds, ensuring high reliability under peak loads.
• EMC Compliance: Built-in EMC filter compliant with EN 61800-3 and EN 12015 standards.
• Certifications: CE, EAC, RoHS compliant

Advanced Functionalities for Elevator Applications

• Precise Control: Achieves speed control accuracy of ±0.01%, reducing vibrations and enhancing ride comfort.
• Enhanced Safety: Brake monitoring in accordance with EN81-1+A3 (UCM) standards.
• Feedback Compatibility: Supports Heidenhain EnDat 2.1, SinCos, and incremental encoders.
• Maintenance-Friendly: Offers alarm history, end-of-life warnings, and cumulative running time indication.

Technical Specifications

• Output Frequency: Up to 120 Hz
• Temperature Range: -10°C to +45°C (operation), -25°C to +65°C (storage)
• Dimensions: 220 x 260 x 215 mm
• Weight: 5.7 kg

Installation and Support

• User-Friendly Setup: Comes with a multifunction LCD keypad for easy setup and monitoring.
• Rescue Operation: Can operate using batteries or UPS for emergency lift operations.
• Technical Support: Available through Fuji Electric’s European service centers.

Applications

• Short Floor Operations
• Direct to Floor Operations
• Ground Fault Protection Systems
• Energy-Saving Cooling Systems

Warranty and Service

• Warranty: Standard Fuji Electric warranty applies.
• Service: Available through authorized Fuji Electric service centers across Europe.

Frequently Asked Questions

What is an inverter and how does it work?

An inverter regulates motor speed and torque by adjusting the power frequency and voltage, ensuring efficient and controlled motor operation.

What maintenance does this inverter require?

Regular checks for connections, fan cleaning, and heat sink inspections. The inverter provides notifications for critical maintenance needs.

Is this inverter compatible with different motor types?

Yes, it supports both induction and synchronous motors with encoder feedback options.