Description
Product Introduction
This GE F31X166MHCACG1 is a motor heater control board for GE’s excitation and power conversion control platforms. The “MHC” designation identifies this as a Motor Heater Control board, providing control and monitoring for motor space heaters in generator and motor applications.
The board controls the operation of motor space heaters, preventing moisture accumulation in motor windings during shutdown periods. It includes temperature monitoring, protection functions, and status indication for reliable operation.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE (General Electric) |
| Model Number | F31X166MHCACG1 |
| Product Type | Motor Heater Control Board |
| Input Voltage | 24 VDC (from system power supply) |
| Heater Control | On/off control for motor space heaters |
| Temperature Monitoring | Temperature sensor inputs |
| Protection | Overcurrent, overtemperature |
| Status Indication | LED indicators for power and heater status |
| Communication | Backplane connector |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -40 to +85 °C |
| Board Dimensions | Standard 6U or custom form factor |
Key Selling Points & Differentiators
- Motor Heater Control: Controls motor space heaters to prevent moisture damage during shutdown periods.
- Temperature Monitoring: Monitors motor temperature for protection and control.
- Protection Functions: Overcurrent and overtemperature protection for the heater circuits.
- Quantified Testing Protocol: We test heater control, temperature monitoring, and protection functions under simulated conditions.
- Warranty & Support: 2-year functional warranty with application support.
Frequently Asked Questions (FAQ)
Q1: What is the purpose of motor space heaters?
A: Motor space heaters prevent moisture accumulation in motor windings during shutdown periods. Moisture can reduce insulation resistance and lead to motor failure. The heaters maintain the motor internal temperature above the dew point.
Q2: Does the MHCACG1 include temperature monitoring?
A: Yes, the board includes temperature sensor inputs for monitoring motor temperature and controlling heater operation.
Q3: Does the MHCACG1 include protection for the heater circuits?
A: Yes, the board includes overcurrent and overtemperature protection for the heater circuits.
Q4: Is the MHCACG1 compatible with other F31X series boards?
A: Yes, the board is part of the F31X series and is designed for integration with other boards in the series.
Q5: What is the lifecycle status of the MHCACG1?
A: This board is discontinued. We have a limited quantity of new surplus units. If your system requires motor heater control, we recommend securing a spare.

EPRO PR9376/010-011
GE DS3800XAIB1E1E 6BA05
A-B 1756-EN2T
TRICONEX 8312
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