GE Multilin MM300-GEHS3CABD Enhanced Motor Management & Protection Relay



  • Product Code: Multilin MM300-GEHS3CABD
  • Availability: In Stock
GE Multilin MM300-GEHS3CABD
Part Number: MM300-GEHS3CABD
Manufacturer: GE Multilin (General Electric)
Type: Enhanced Motor Management & Protection Relay
Application: Low-Voltage (LV) AC Motor Control & Protection
Series: Multilin MM300 Enhanced
1. Model Code Breakdown
G: Graphical control panel (3.5" color LCD, USB)
E: English language interface
H: High-range power supply (60–300 VAC / 80–250 VDC)
S: Communications: RS485 (Modbus RTU)
3: Option: Waveform capture + Data logger
C: I/O: 2 × 10A Form-A relays + 6 digital inputs
A: Measurement: 3-phase current, thermal overload
B: Measurement: 3-phase voltage, underpower
D: Protection: Ground fault, phase unbalance
2. Key Specifications
Supply Voltage: 60–300 VAC / 80–250 VDC
Current Inputs: 3-phase (1A / 5A CT) + ground fault
Digital Inputs: 6 × 60–300 VAC (configurable)
Relay Outputs: 2 × 10A Form-A
Display: 3.5" color LCD (320×240)
Operating Temp: -20°C to +60°C
Dimensions: 153 × 102 × 35 mm
Weight: ~1.36 kg (3 lb)
Certifications: CE, UL, CSA, IEC 61850
3. Core Protection Functions
• Thermal overload (advanced motor modeling)
• Jam / stall / acceleration time protection
• Phase over/undervoltage & current unbalance
• Ground / sensitive ground fault (CBCT)
• Underpower / undercurrent / phase reversal
• RTD / thermistor overtemperature (4–12 channels)
• Starts-per-hour limitation & fuse failure
4. Communication & Diagnostics
Comm: RS485 (Modbus RTU), optional Ethernet/TCP
Software: EnerVista MM300 (PC configuration)
Waveform capture: 32 samples/cycle (up to 320 cycles)
Event recorder: 256 events (time-stamped)
FlexLogic™: Programmable logic (no external PLC)
Data logger: Long-term trending & fault records
5. Typical Applications
• LV three-phase AC motors (IEC/NEMA)
• Motor control centers (MCC)
• Pumps, fans, compressors, conveyors
• Industrial & manufacturing processes
• Water/wastewater, HVAC, power generation
GE Multilin © MM300-GEHS3CABD | Enhanced Motor Manager


Write a review