Nsk ESA-Y2020TF1-11

Technical Dossier

Product Details And Specifications

NSK ESA-Y2020 Series Technical Notes

The NSK ESA-Y2020 series represents NSK Ltd.'s AC servo drive platform engineered for precision motion control in heavy industrial environments. Deployed extensively across chemical processing plants, semiconductor fabrication facilities, steel rolling mills, and automated assembly lines, the ESA-Y2020 series provides closed-loop torque, velocity, and position control for NSK Megatorque and standard AC servo motor configurations. Its compact form factor and DIN-rail or panel-mount compatibility made it a standard specification in Japanese and Asian industrial automation projects from the mid-2000s onward. The series interfaces with host PLCs via pulse-train, analog ±10V, and serial communication inputs, covering the majority of motion controller architectures in service today.

ESA-Y2020 Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented ESA-Y2020 series range, classified by power class and input configuration. Each unit is a standalone AC servo amplifier unless noted.

ESA-Y2020TF1-11: Single-phase 100V input, 200W rated output, pulse-train command interface, standard encoder feedback.
ESA-Y2020TF1-21: Single-phase 100V input, 400W rated output, pulse-train command, incremental encoder.
ESA-Y2020TF1-31: Single-phase 100V input, 750W rated output, pulse-train command, standard I/O.
ESA-Y2020TF2-11: Single-phase 200V input, 200W rated output, analog ±10V velocity command.
ESA-Y2020TF2-21: Single-phase 200V input, 400W rated output, analog command, regenerative resistor terminal.
ESA-Y2020TF2-31: Single-phase 200V input, 750W rated output, analog/pulse dual command mode.
ESA-Y2020TF2-51: Single-phase 200V input, 1.5kW rated output, extended current rating, panel mount.
ESA-Y2020TF3-11: Three-phase 200V input, 200W rated output, position control mode, compact frame.
ESA-Y2020TF3-21: Three-phase 200V input, 400W rated output, torque/velocity/position switchable.
ESA-Y2020TF3-31: Three-phase 200V input, 750W rated output, full-closed loop option ready.
ESA-Y2020TF3-51: Three-phase 200V input, 1.5kW rated output, built-in dynamic brake resistor.
ESA-Y2020TF3-71: Three-phase 200V input, 2.0kW rated output, high-resolution absolute encoder support.
ESA-Y2020TF3-A1: Three-phase 200V input, 3.0kW rated output, RS-232C/RS-485 serial communication option.
ESA-Y2020TF3-B1: Three-phase 200V input, 5.0kW rated output, large-frame housing, external regenerative resistor.
ESA-Y2020TF3-C1: Three-phase 200V input, 7.5kW rated output, top-tier ESA-Y2020 power class, forced-air cooling.
ESA-Y2020TF3-D1: Three-phase 200V input, 11kW rated output, heavy-duty industrial servo application class.