Changzhou Trustec Company Limited
| Payment Terms | T/T, L/C |
| Supply Ability | 100,000 pcs per month |
| Delivery Time | 15 days fresh products after order confirmation. |
| Packaging Details | Standard carton packing, foam board inside for protection. |
| Product | Electroncally Commutated Motor (ECM) |
| Frame | Nema 48 |
| Motor Type | Direct Drive Blower |
| Supply Voltage | 220-240V |
| Enclosure Type | OAO(Open Air Over) |
| Supply Frequency | 50/60HZ |
| Thermal Overload | Equipped With An Automatic Thermal Overload |
| Current | 2.1A |
| Phase | Single Phase |
| Output Power | 1/2HP |
| Mounting | Vertical Shaft Down |
| Speed | 300-1150RPM |
| Bearings | Ball Bearing |
| Poles | 10P |
| Mounting Orientation | Stud Mounting All Angel |
| Shaft Diameter | 1/2" / 12.7mm |
| Insulation Class | Class F |
| Shaft Length | 4.0" / 101.6mm |
| Rotation | CW(SE) |
| Max. Ambient Temperature | 40℃/104℉ |
| Speed Control | 0-10V VSP |
| Brand Name | trusTec |
| Model Number | TZD-375-10B |
| Certification | CE |
| Place of Origin | Changzhou, China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 100,000 pcs per month |
| Delivery Time | 15 days fresh products after order confirmation. | Packaging Details | Standard carton packing, foam board inside for protection. |
| Product | Electroncally Commutated Motor (ECM) | Frame | Nema 48 |
| Motor Type | Direct Drive Blower | Supply Voltage | 220-240V |
| Enclosure Type | OAO(Open Air Over) | Supply Frequency | 50/60HZ |
| Thermal Overload | Equipped With An Automatic Thermal Overload | Current | 2.1A |
| Phase | Single Phase | Output Power | 1/2HP |
| Mounting | Vertical Shaft Down | Speed | 300-1150RPM |
| Bearings | Ball Bearing | Poles | 10P |
| Mounting Orientation | Stud Mounting All Angel | Shaft Diameter | 1/2" / 12.7mm |
| Insulation Class | Class F | Shaft Length | 4.0" / 101.6mm |
| Rotation | CW(SE) | Max. Ambient Temperature | 40℃/104℉ |
| Speed Control | 0-10V VSP | Brand Name | trusTec |
| Model Number | TZD-375-10B | Certification | CE |
| Place of Origin | Changzhou, China | ||
| High Light | 48 Frame BLDC Motor ，220-240V BLDC Motor ，375W BLDC Motor | ||
The ECM Blower Motor is a high-efficiency, fully integrated motor solution designed for indoor HVAC air-moving equipment. By combining advanced permanent magnet motor technology with an intelligent embedded controller, it delivers stable airflow, reduced energy consumption, and quiet, reliable operation.
This motor is designed to replace traditional PSC motors and X13 / constant-torque ECM motors and is widely used in furnaces, air handlers, and residential or light commercial HVAC systems.
For indoor HVAC equipment only.
High-efficiency motor design delivering superior performance and reduced energy loss.
Integrated control electronics for precise motor operation and system compatibility.
Advanced control technology ensures smooth operation without external sensors.
Automatically detects correct airflow direction during startup to prevent installation errors.
ECM efficiency exceeds 85%, helping reduce overall system power consumption.
Soft start and soft stop minimize noise and mechanical stress.
Constant torque output ensures stable airflow across multiple speed levels.
Dual-voltage platform simplifies replacement and installation.
Automatic rotation detection prevents incorrect airflow direction.
Integrated protection features safeguard both the motor and controller.
Input Voltage: 115–120 VAC ±10% or 220–230 VAC ±10%
Frequency: 50 / 60 Hz
Phase: Single Phase (L / N / PE)
Maximum Input Power: 1000 W
Maximum Input Current: 15 A
Standby Power Consumption: < 5 W
Duty Cycle: Continuous (S1)
Motor Type: Permanent Magnet Synchronous Motor (PMSM)
Control Method: Sensorless Vector Control
Speed Levels: 600 / 750 / 900 / 1070 / 1200 RPM
Power Range: 1/6 – 1 HP
Motor Efficiency: > 85%
AC Control: 10–30 VAC
DC Control: 8–27 VDC
PWM Control: 50–200 Hz, 10–90% duty cycle
SP5 > SP4 > SP3 > SP2 > SP1
When no control signal is present, the motor remains off.
After initial AC power-up, the motor automatically performs short bidirectional detection cycles to identify the correct airflow direction.
This function simplifies installation and helps avoid performance issues caused by incorrect motor rotation.
Do not power off the motor during this process.
Locked-rotor protection
Overcurrent protection
Over-voltage and under-voltage protection
Over-temperature protection
Overload protection
Short-circuit protection
Automatic fault recovery
Operating Temperature: –15°C to +45°C
Humidity: < 90% RH (non-condensing)
Storage Temperature: –40°C to +60°C
IP40 (Indoor use only)
For proper cooling, the motor must be installed within the HVAC system airflow path.
Frame Size: NEMA 48
Mounting Method: Belly band bracket
Shaft Diameter: 1/2 inch
Ensure the blower wheel is properly centered and wiring exits downward during installation.
The motor is permanently lubricated and requires no routine lubrication.
Regular air filter replacement
Blower wheel cleaning
Moisture prevention
Annual HVAC system servicing
Motor not running: No power supply or no control signal
Incorrect speed: Incorrect signal level selection
Motor shutdown: Protection function activated
Abnormal noise: Blower wheel imbalance
MTBF: ≥ 20,000 hours
Insulation Resistance: ≥ 100 MΩ
Dielectric Strength: 1800 VAC
Warranty Period: 18 months
Improper installation will void the warranty. Damage caused by incorrect wiring, moisture exposure, misuse, or operation outside rated conditions is not covered.
This ECM blower motor follows the same control wiring concept as GE X13 constant-torque ECM motors, enabling easy replacement and compatibility with existing HVAC systems.
Do not apply high voltage to low-voltage signal terminals. Incorrect wiring may permanently damage the motor controller.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
5 million-10 million
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Changzhou Trustec Company is working on the solutions supplier for the fan motors and the blower fans. We are capable of designing and producing the fan motors from diameter 3.3'' to 6.3'' and output power from 8W to 5KW. As the professional supplier for the fan motors and blow... Changzhou Trustec Company is working on the solutions supplier for the fan motors and the blower fans. We are capable of designing and producing the fan motors from diameter 3.3'' to 6.3'' and output power from 8W to 5KW. As the professional supplier for the fan motors and blow...
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