Description
ebm-papst M4Q045-CF07-04 (also known as M4Q045CF0704) is an industrial single-phase AC shaded-pole drive motor engineered for commercial refrigeration and ventilation assemblies, featuring a 45 mm (1.77 in) core stack size with integrated M4Q045-CF motor architecture. Operating on 115 VAC at 50/60 Hz, the unit delivers rated operating speeds of 1300 RPM (50 Hz) and 1550 RPM (60 Hz) with a mechanical power output of 16 W (0.021 HP) and an electrical power input of 60 W (50 Hz) / 58 W (60 Hz) at 0.8 A / 0.74 A current draw. The motor is constructed with rugged die-cast aluminum end shields, maintenance-free self-aligning calotte sleeve bearings, an internal thermal overload protector (TOP), and IP42 ingress protection rated for continuous S1 duty. Electrical supply is established through a lateral PVC cable with three crimped brass lead tips, optimized for horizontal shaft mounting in condenser units and evaporator air movers.
Key Features
- Efficient Shaded-Pole Drive: Delivers 16 W mechanical output across 1300 to 1550 RPM for reliable commercial refrigeration airflow circulation.
- Durable Die-Cast Construction: Heavy-duty die-cast aluminum end shields provide robust structural rigidity, heat dissipation, and long service life.
- Integrated Thermal Protection: Internally wired thermal overload protector prevents winding damage during high-load or restricted ventilation conditions.
- Reliable Calotte Bearings: Self-aligning calotte sleeve bearings ensure quiet, low-friction horizontal shaft operation under continuous S1 duty.
- Streamlined System Integration: Pre-terminated 3-conductor PVC lateral lead wire with crimped brass tips enables fast and secure wiring.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | M4Q045-CF07-04 |
| Alternate Part Number | M4Q045CF0704 |
| Integrated Motor Model | M4Q045-CF |
| Product Series | M4Q Series (Q-Motor) |
| Product Category | Fan Motors |
| Fan / Component Type | Shaded-Pole AC Fan Motor |
| Phase & Supply Type | 1~ Single-Phase AC |
| Rated Voltage | 115 VAC |
| Frequency | 50 Hz / 60 Hz |
| Speed (RPM) | 1300 RPM (50 Hz) / 1550 RPM (60 Hz) |
| Power Input | 60 W (50 Hz) / 58 W (60 Hz) |
| Power Output | 16 W (50 Hz) / 16 W (60 Hz) |
| Rated Current | 0.80 A (50 Hz) / 0.74 A (60 Hz) |
| Starting Current | 1.1 A (50 Hz) / 1.0 A (60 Hz) |
| Motor Core Stack Size | 45 mm (1.77 in) |
| End Shield Material | Die-cast aluminium |
| Bearing Type | Calotte bearing (self-aligning sleeve bearing) |
| Direction of Rotation | Counter-clockwise, seen on rotor / shaft end |
| Installation / Mounting Position | Shaft horizontal |
| Condensation Drainage Holes | None |
| Operating Mode / Duty Cycle | S1 (Continuous operation) |
| Fastening Torque – Impeller Screw | 1.4 N·m (12.4 in-lbs) |
| Fastening Torque – Wall Ring / Guard Grille Nut | 2.3 N·m (20.4 in-lbs) |
| Weight | 1.3 kg (2.87 lbs) |
| Termination & Cable Specs | PVC cable, 3 x 0.5 mm², 3 x brass lead tips crimped |
| Cable Exit | Lateral |
| Wiring Pinout / Connection | L = Blue, N = Brown, PE = Green / Yellow |
| Motor Protection | Thermal overload protector (TOP) wired internally |
| Electrical Protection Class | Class I (with customer PE protective earth) |
| Touch Current (IEC 60990) | < 0.75 mA (Measuring network Fig. 4, TN system) |
| Insulation Class | Class B |
| Ingress Protection (IP) | IP42 (Depending on installation and position) |
| Max. Ambient Operating Temperature | +40 °C (+104 °F) |
| Permissible Storage / Transport Temperature | -40 °C to +80 °C (-40 °F to +176 °F) |
| Standards & Compliance | EN 60335-1, CE, UL 2111, CSA C22.2 No. 77, RoHS3 Compliant |
Applications
ebm-papst M4Q045-CF07-04 serves as a robust replacement and OEM drive motor for commercial refrigeration systems, evaporator blowers, and condensing units. It is extensively installed in supermarket display cases, walk-in coolers, reach-in freezers, bottle coolers, and commercial ice machines requiring continuous air circulation. Facility maintenance teams and HVAC/R technicians rely on this motor for air curtain units, ventilation fan assemblies, and heat exchange plenums across cold-chain logistics.
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