I. Model Breakdown (Order Code HBMBCAAJABC1BNN11G Explanation)

REM615E_1G: Product model, E = Hardware version, 1G = Firmware FP1 IEC international standard version, motor-specific protection (REF615 feeder, REC615 measurement and control, REM615 motor)

H: Complete machine without coating, without backplane test switch; B = IEC standard format; M = Motor standard application scheme

BCAA: Analog circuit: 4CT (1A/5A) + zero-sequence CT + three-phase PT voltage input (standard 3~10kV motor circuit标配)

JABC1： Input/Output configuration： 16 DI + 12 DO trip relays， with trip circuit monitoring TCS function

BNN11G： AC 100~240V power supply， no RTD temperature measurement， no arc protection， IEC61850 + Modbus dual communication， LCD Chinese-registered large screen

Basic Parameters Table

Project Specifications

Auxiliary working power supply AC 100～240V (configured for this model), optional DC 24/110/220V

CT ratio 1A / 5A adaptive; PT 100V secondary voltage

Form size 4U chassis: width 177× height 177× depth 201mm, total machine net weight ≈ 4.1kg, plug-in type removable module

Operating environment -20℃～+60℃, cabinet installation, IP54 panel protection

Communication interface Ethernet IEC61850 (GOOSE) + RS485 Modbus-RTU, supports IEEE1588 time synchronization

Complete protection functions (asynchronous motor standard)

Main protection: short circuit quick break, overcurrent protection, motor start timeout locking, inverse-time thermal overload (thermal model), phase loss / three-phase imbalance, reverse phase sequence, underload (idle loss load), grounding zero sequence protection 51N/50N

Auxiliary protection: overvoltage, undervoltage, frequency abnormality, PT disconnection monitoring, CT disconnection alarm, tripping circuit monitoring TCM

Control logic: local / remote closing and opening, circuit breaker position acquisition, interlock logic programmable, motor emergency start function

Recording and events: fault recording (12 analog inputs + 64 switch inputs), 1024 SOE events with millisecond timestamp

Application scenarios

3kV/6kV/10kV high-voltage asynchronous motors: power plant fans / pumps, steel plant dust removal motors, mining belt conveyors, chemical compressors, pump station main motor switch cabinet protection.