Littelfuse, Inc. Protection Relays & Systems MPS-469X-21000

The MPS-469X Motor Protection Retrofit Kit is designed to replace the GE Multilin 469 relay, featuring a pre-wired panel with the MPS Motor Protection Front Back System and two MPS-RTD Temperature Input Modules. It fits the existing 469 cutout and supports reuse of existing current transformers and wiring. The kit includes RS485 communication, conformal coating for environmental protection, and microprocessor-based protection without calibration. It supports dynamic thermal modeling and maintenance mode to reduce arc-flash hazards.