Rexroth KCU02.2N-ET-ET*-025-NN-N-NN-NW

I. Basic Core Information
Full model number: KCU02.2N-ET-ET*-025-NN-N-NN-NW
Original factory part number: R911339232
Brand: Bosch Rexroth
Product category: IndraDrive Mi Distributed Servo System – Drive Connection Box (for distributed servo networking)
Core positioning: DC bus distribution within the control cabinet + industrial Ethernet bus hub, specifically designed to be paired with KSM02 integrated servo motor and KMS02 near-motor servo, enabling multi-servo networking with a single cable on a single line.

 Component-by-component disassembly of model code (official standard coding rules)
Segment format: KCU02.2 N – ET – ET* – 025 – NN – N – NN – NW Table
Segment Number Code Official Explanation
1 KCU02 Product Series: IndraDrive Mi Hub Distribution Box
2.2 Second-generation hardware platform, fully backward compatible with the first-generation KCU02.1, optimized communication bandwidth and current protection
3 N Standard basic hardware, no customized reinforcement / wide-temperature pre-configured
4 ET Upstream main communication port: Multi-Ethernet, supports Profinet IO / EtherNet/IP / SERCOS III, connects to the upper-level PLC / motion controller
5 ET* Downstream drive bus port: Multi-Ethernet, cascading in a daisy chain to form the entire servo drive link
6 025 Direct current bus rated continuous current 25A; peak 71A, maximum load per single link 18.8kW servo total power
7 NN No safety expansion module, only standard dual-channel STO safety stop basic circuit is标配
8 N No encoder expansion card， no analog I/O expansion interface
9 NN No triple protection conforming coating， standard room temperature industrial version， not wide-temperature / corrosion-resistant customized version
10 NW Factory does not come with pre-installed firmware， the device needs to be downloaded and matched with the firmware program through IndraWorks during equipment debugging