

MK137-2DK.07.N 104020H is a 3~400-480 VAC external-rotor motor for air-conditioning systems. Its main supplied feature is IP54 protection stated in the series documentation. It also lists 3400 rpm rated speed in the supplied parameter row. Review mounting envelope for final model confirmation.
| Rated Voltage(V) | 3~ 400-480 |
|---|---|
| Speed(rpm) | 3400 |
The MK137-2DK.07.N 104020H serves industrial machinery and electrical equipment as a ZIEHL-ABEGG external-rotor motor. It supports forced-air cooling or fan control where natural convection cannot maintain the required thermal margin.
The 3~ 400-480 VAC rating should be matched to the equipment supply and the complete model suffix. The asynchronous external-rotor motor places the rotating section outside the stator, creating a compact drive with effective heat transfer. Available flange or shaft mounting supports space-efficient fan and refrigeration assemblies.
System qualification for MK137-2DK.07.N 104020H should use the final grille, nozzle and surrounding equipment structure. This helps manufacturers preserve useful airflow, manage sound and define compatible replacements.
As part of HVAC, outdoor air-conditioning and ventilation equipment, MK137-2DK.07.N 104020H moves conditioned or exhaust air through the intended system path. Keeping the full suffix in technical records helps avoid mismatched replacements during maintenance.
Stable ventilation supports predictable operation when ambient conditions and equipment demand vary. Industrial refrigeration and compressor equipment use MK137-2DK.07.N 104020H where the external-rotor motor supports stable temperatures around condensers, compressors and control sections.
It may be evaluated for high-reliability cooling using the supplied parameters, but duty cycle, redundancy, ambient limits, and protection must be confirmed at system level.
Check electrical supply, mounting clearance, fasteners, airflow direction, guards, wiring, and access for service before installation.
No quantified cost-saving claim is supplied for this exact item. Compare energy use, controls, service needs, and purchase cost using the required duty point.
The upload sheet marks the item as In Stock, but available quantity should be confirmed when the order is placed.
Verify the listed size, mounting pattern, fan housing or nozzle arrangement, airflow direction, and service clearance against the equipment drawing.
Check supply voltage, controller signals, blocked airflow, contamination, abnormal noise, rotation, and the equipment operating point before replacing the unit.

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