Technical Overview: M4Q045-CA01-01 ebm-papst
The M4Q045-CA01-01 is another variant of the versatile 45mm stack Q-Motor series by ebm-papst. While sharing the core 16W output capability (typical for the 045 series) with the BD model, the «CA» designation often refers to specific mechanical configurations, such as the bearing shield design or mounting feet arrangement (foot mounting vs. flange/ring mounting). This 4-pole shaded-pole motor is the beating heart of countless commercial refrigeration units, bottle coolers, and small ventilation systems across the UK and Europe. Its design prioritizes longevity and «install-and-forget» reliability.
Detailed Specifications
- Design: 4-Pole Shaded Pole Motor.
- Supply: 230 V / 50 Hz.
- Output Power: 16 Watts (Shaft power).
- Input Power: Approx. 60 Watts.
- Speed: 1300 RPM.
- Bearings: Self-aligning sintered bronze bearings with oil depot.
- Housing: Die-cast aluminum bearing shields.
Lifecycle & Troubleshooting for Engineers
Lifecycle State: Active. Diagnosis: A Q-motor that runs hot is normal (surface temps can reach 60-70°C), but if it smells of burning varnish or trips the circuit breaker, the windings have shorted. Check the fan blade for obstruction; ice buildup in evaporators is the #1 enemy. Installation Advice: Ensure the motor is mounted horizontally if possible to maximize the life of the oil reservoir in the sintered bearings. If mounted vertically, verify the specific variant allows for axial load. Compatibility: Easily integrated into automated defrost cycles managed by Siemens S7-1200 or dedicated refrigeration controllers. Its predictable current draw makes it easy to monitor for preventative maintenance.
| Metric | Value |
|---|---|
| Insulation Class | Class B |
| Protection Class | IP42 (Standard) |
| Shaft | Standard plain shaft (check diameter) |
| Duty Cycle | S1 (Continuous) |
Why choose ebm-papst Q-Motors?
Unlike cheaper generic alternatives, ebm-papst Q-motors use high-grade copper windings and precision-sintered bearings that retain lubricant longer, reducing the risk of seizure in critical cold-chain applications.
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