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HMS02.1N-W0028-A-07-NNNN

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Bosch Rexroth HMS02.1N-W0028-A-07-NNNN is an air-cooled IP20 IndraDrive M HMS02 inverter power section for one axis, using a 254–750 V DC bus and delivering three-phase motor output.
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Technical specifications for HMS02.1N-W0028-A-07-NNNN

  • Manufacturer:
    Rexroth
  • Part Number:
    HMS02.1N-W0028-A-07-NNNN
  • Product Family:
    Rexroth
  • Product Type:
    Compact Single-Axis Inverter Power Section
  • Stock:
    1
  • Cooling / protection:
    Forced-air cooling; IP20
  • Rated DC input voltage:
    254–750 V DC
  • Rated input current:
    18.4 A
  • Output voltage:
    3 × AC 0–500 V
  • Rated output current:
    13.8 A
  • Maximum output current at 4 kHz:
    28.3 A
  • Continuous output current at 4 kHz:
    13.8 A
  • Continuous output current at 8 kHz:
    8.5 A
  • Allowed switching frequencies:
    4 and 8 kHz
  • Control voltage:
    24 V DC ±20%
  • Rated control-voltage power:
    13 W, excluding motor holding brake, control section and safety option
  • Forced-air capacity:
    17.20 m³/h
  • Ambient temperature:
    0 to 40°C at nominal data; operation with reduced nominal data up to 55°C
  • Derating:
    2% per K above the nominal ambient range
  • Minimum clearance:
    80 mm top; 80 mm bottom
  • Dimensions:
    5.0 × 35.2 × 20.5 cm
  • Weight:
    3.5 kg
  • Tariff Code:
    8503009090
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Compact Platform DC Bus & Control Low-Speed Validation Application
  • Match the 28.3 A maximum-current class with the 13.8 A continuous-output rating at 4 kHz
  • Apply the 8.5 A continuous-current limit at 8 kHz and restrict selection to the documented 4 and 8 kHz frequencies
  • Verify the compact HMS02 cooling path, shared DC-bus supply and separate control section before installation

HMS02.1N-W0028-A-07-NNNN is a compact Bosch Rexroth IndraDrive M HMS02 single-axis inverter power section with a 28.3 A maximum output.

Its 254–750 V DC-bus input supplies a three-phase motor output, with continuous current limited to 13.8 A at 4 kHz and 8.5 A at 8 kHz.

Before production use, verify DC-bus polarity and capacity, 17.2 m³/h cooling airflow, control section, firmware, motor feedback and low-speed torque behavior.

Availability, condition, price, and shipping time for HMS02.1N-W0028-A-07-NNNN are confirmed during quotation.

Bosch Rexroth HMS02.1N-W0028-A-07-NNNN Compact Single-Axis Inverter Power Section Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Match the HMS02 control-section and firmware identities
  • Do not substitute HMS01 or W0054 from mechanical appearance
  • Check the 4/8 kHz current envelope against the motor duty
  • Supply the documented 254–750 V DC bus from an approved source
  • Verify 24 V control power, polarity, protection and safe discharge
  • Restore only the approved motor, feedback and brake parameters
  • Apply the published current reduction below standstill threshold
  • Confirm brake release and load torque before tuning changes
  • Test rotation, low-speed torque and thermal behavior in stages
  • Single-axis operation in a Rexroth IndraDrive M HMS02 system
  • Three-phase asynchronous motor operation
  • Three-phase synchronous motor operation
Description
HMS02.1N-W0028-A-07-NNNN is a Bosch Rexroth compact single-axis inverter power section in the IndraDrive M HMS02 family.

Bosch Rexroth HMS02.1N-W0028-A-07-NNNN is an air-cooled IP20 IndraDrive M HMS02 inverter power section for one axis, using a 254–750 V DC bus and delivering three-phase motor output. The complete code identifies the IndraDrive M HMS02 power section, air cooling, current class and A-07-NNNN design. It is not a complete drive controller by itself: the control section, firmware and required system components are separate identities.

Before installation or replacement, confirm the complete HMS02.1N-W0028-A-07-NNNN type plate, separate control section, power and motor connections, cooling arrangement, firmware and commissioned parameters.
Alternative Names
HMS02.1N-W0028-A-07-NNNN HMS02 1N W0028 A 07 NNNN HMS021NW0028A07NNNN Bosch Rexroth HMS02.1N-W0028-A-07-NNNN Rexroth HMS02.1N-W0028-A-07-NNNN
Technical notes
HMS02.1N-W0028-A-07-NNNN is an inverter power section, not a complete drive controller; the control section and firmware remain separate. Match the full type plate, DC-bus supply, motor data, cooling and commissioned parameters before replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
When is HMS02.1N-W0028-A-07-NNNN preferable to an HMS01 power section?
Use it when the documented HMS02 compact platform, current duty, control-section compatibility and 4/8 kHz operating range fit the machine. Smaller dimensions alone do not establish interchangeability.
Can HMS02.1N-W0028-A-07-NNNN directly replace HMS02.1N-W0054-A-07-NNNN?
No. The width, input and output current, airflow and switching-frequency capability differ; motor torque and project parameters must be re-engineered for any substitution.
Can a motor cable previously used with HMS01.1N-W0020-A-07-NNNN be reused with HMS02.1N-W0028-A-07-NNNN?
Only after confirming the connector pinout, conductor rating, length, shielding, protective-earth path, brake wiring and compatibility with the assigned motor. Similar axis current or physical connectors do not prove cable suitability.
Why can motor commutation fail after replacing the motor connected to HMS02.1N-W0028-A-07-NNNN even when encoder communication is present?
Encoder communication does not confirm correct motor phasing or commutation data. Verify the exact motor and encoder identity, phase sequence, feedback polarity, commutation offset, cable pinout and restored motor parameters before enabling torque.
Can HMS02.1N-W0028-A-07-NNNN repeat moves near its maximum current simply because each peak is brief?
Not without checking the complete duty cycle. Peak duration, repetition rate, RMS current, switching frequency, dwell time and cooling determine whether the power section remains within its electrical and thermal limits.
Why can HMS02.1N-W0028-A-07-NNNN report a ground fault only after the motor cable is connected?
Inspect the motor cable, connector, shield termination, protective-earth wiring and motor-winding insulation for damage, moisture or conductor-to-shield faults. Test the cable and motor separately using the approved procedure before reconnecting them to the drive.
Can HMS02.1N-W0028-A-07-NNNN be acceptance-tested with a different motor from the production axis?
A substitute motor may support limited bench checks only when it is approved and correctly parameterized. It cannot validate the production motor’s feedback, brake, cable, current demand, torque behavior or machine safety functions.

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