Overview
This frame is in the heavy-duty section of the Z4 family, typically selected for high inertia loads, strong overload demand, and large process lines in metals and heavy industry.
In the Z4 catalogue, this frame is usually selected when users need a practical balance between electrical output and installation envelope for continuous industrial duty.
Common Models in This Frame
- Z4-400-11
- Z4-400-12
- Z4-400-21
- Z4-400-22
- Z4-400-31
- Z4-400-32
- Z4-400-41
- Z4-400-42
Typical Specifications
- Voltage: Typical armature voltage in sample rows: 400 V; series-level options include 160 V/440 V with other derived voltages on request.
- Speed: 360 to 680 r/min (typical range from sample data).
- Power range: 235.0 to 500.0 kW (typical range from sample data).
- Cooling options: Base methods are IC06 / IC17 / IC37; blower location for this frame is typically on the drive side.
- Mounting form: IMB3/IMB35 are the primary catalogue mounting forms for this frame.
- Efficiency: Rated-point efficiency values are listed model-by-model in the technical table; actual values depend on specific model, speed, and duty.
Installation and Dimensions
Z4 frame motors follow series-level installation platforms, with dimensions largely aligned to IEC72 practice except for the axial distance “B” between the two foot holes.
For this frame, code “1/2” in model designation indicates short/long endshield variants. Detailed dimensions vary by specific model and mounting form.
Compared with adjacent frames, Z4-400 keeps the same design language but differs in shaft, cooling demand, and installation footprint corresponding to output level.
Applications
- Steel plant heavy-duty drives
- Main process transmission in large mills
- Large-duty industrial lines requiring robust commutation
Compared with medium and small frames, this frame emphasizes higher power reserve, stronger overload capability, and heavy-duty production continuity.
Optional Configurations
- Compensating winding is standard for this frame family in the Z4 catalogue.
- ZYS-A tachogenerator can be installed on the non-drive side when speed feedback is required.
- Terminal box default position is right side (viewed from drive end); left side or top position is available by request.
- Special mounting and accessory combinations can be arranged for retrofit projects.
- IC86W totally enclosed air-water heat exchanger variant
Related Pages
- Back to series page: Z4 Series DC Motor
- Previous frame: Z4-355 DC Motor
- Next frame: Z4-450 DC Motor
- Planned model pages (auto-link enabled when model_page_master.csv marks `published=yes`):
- Z4-400-11 DC Motor
- Z4-400-12 DC Motor
- Z4-400-21 DC Motor
- Z4-400-22 DC Motor
- Z4-400-31 DC Motor
- Z4-400-32 DC Motor
- Z4-400-41 DC Motor
- Z4-400-42 DC Motor
FAQ
What is the difference between Z4-400 and nearby frame sizes?
The main differences are power capability, speed combinations, installation footprint, and cooling demand. Final selection should be based on rated torque, base speed, and space constraints.
Can Z4-400 be configured with different cooling and mounting options?
Yes. Standard Z4 cooling includes IC06/IC17/IC37, and additional cooling structures may be available depending on frame range and project requirements. Mounting options are selected according to the catalogue scope for this frame.
Are all models in this frame interchangeable one-to-one?
Not directly. Even inside the same frame, armature core length, endshield version, speed class, and optional accessories can differ. Confirm mechanical and electrical details before replacement or retrofit.