Product Overview

The Yaskawa CIMR-LB4A0039FAA is an L1000A dedicated elevator drive rated for 18.5 kW motors and 39 A output current on three-phase 380-480 VAC power systems. Unlike a general-purpose inverter, the L1000A incorporates control functions developed specifically for geared and gearless elevator systems, including precise low-speed torque control, brake sequencing, rescue-operation support and ride-comfort optimization.

Main Features

• Dedicated elevator control software for modernization and replacement projects.
• Supports both induction motors and permanent-magnet synchronous motors.
• Open-loop and closed-loop vector control configurations.
• Compatible with supported PG feedback cards and multiple encoder technologies.
• Motor autotuning functions for coupled and uncoupled elevator motors.
• Torque-ripple suppression improves acceleration, deceleration and passenger comfort.
• Rescue-operation functions support emergency elevator control strategies.
• Dual-channel Safe Disable provides Safe Torque Off functionality up to SIL2 and PL d.

Technical Specifications

Compatible System and Applications

This model is intended for elevator traction systems, machine-room and compatible machine-room-less installations, modernization projects and maintenance replacement. Actual elevator capacity and travel speed cannot be determined from drive power alone and must be checked against motor current, traction-machine data and the elevator controller configuration.

Maintenance and Replacement Notes

Replacement must be based on the complete CIMR-LB4A0039FAA order code. Verify the motor type, rated current, encoder model, encoder voltage, PG feedback card, mechanical brake sequence, braking resistor or braking unit, safety circuit and controller commands. Existing parameters should be recorded before removing the original drive. A replacement drive normally requires motor autotuning and elevator-specific commissioning.

Related Models

Related L1000A models include CIMR-LB4A0031FAA, CIMR-LB4A0045FAA, CIMR-LB4A0024FAA and CIMR-LB4A0060FAA.

Inquiry and Supply Notes

Please provide the complete drive nameplate, traction-motor nameplate, encoder information, elevator controller model and fault description for quotation and compatibility verification.