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HMS02.1N-W0054-A-07-NNNN

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Bosch Rexroth HMS02.1N-W0054-A-07-NNNN is an air-cooled IP20 compact single-axis inverter power section for a 254–750 V DC bus and three-phase motor output.
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Technical specifications for HMS02.1N-W0054-A-07-NNNN

  • Manufacturer:
    Rexroth
  • Part Number:
    HMS02.1N-W0054-A-07-NNNN
  • Product Family:
    Rexroth
  • Product Type:
    Compact Single-Axis Inverter Power Section
  • Stock:
    1
  • Rated DC input voltage:
    254–750 V DC
  • Rated input current:
    30.7 A
  • Output voltage:
    3 × AC 0–500 V
  • Rated output current:
    25.0 A
  • Maximum output current:
    54.0 A at 4, 8 and 12 kHz; 40.0 A at 16 kHz
  • Continuous output current:
    25.0 A at 4 kHz; 20.0 A at 8 kHz; 12.7 A at 12 kHz; 10.2 A at 16 kHz
  • Allowed switching frequencies:
    4, 8, 12 and 16 kHz, subject to control section and firmware
  • Control voltage:
    24 V DC ±20%
  • Rated control-power consumption:
    17 W, excluding motor brake, control section and safety option
  • Cooling / protection:
    Forced-air cooling, 37.0 m³/h; IP20
  • Ambient temperature:
    0 to +40°C at nominal data; derated operation to +55°C
  • Minimum clearance:
    80 mm top and 80 mm bottom
  • Dimensions:
    7.5 × 35.2 × 20.5 cm
  • Weight:
    5 kg
  • Tariff Code:
    8504409999
  • 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 Power-Section Matching DC Bus & Motor Cooling Validation Application
  • Match the complete HMS02.1N-W0054-A-07-NNNN type plate before replacement
  • Treat the power section, control section and firmware as separate identities
  • Preserve DC-bus, motor, brake, cooling and commissioned parameter records

HMS02.1N-W0054-A-07-NNNN is a Bosch Rexroth compact single-axis inverter power section in the IndraDrive M HMS02 family.

Bosch Rexroth HMS02.1N-W0054-A-07-NNNN is an air-cooled IP20 compact single-axis inverter power section for a 254–750 V DC bus and three-phase motor output The power section, control section and firmware have separate type plates; A-07-NNNN does not identify an included control section or firmware.

Before installation or replacement, verify the complete nameplate, firmware, command interface, mains and DC-bus design, motor, wiring and approved commissioning file.

Availability, condition, price, and shipping time for HMS02.1N-W0054-A-07-NNNN are confirmed during quotation.

Bosch Rexroth HMS02.1N-W0054-A-07-NNNN Compact Single-Axis Inverter Power Section Manuals, Datasheets, 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 current class and physical width
  • Confirm the separate control section and firmware identities
  • Check switching-frequency-specific motor-current limits
  • Verify DC-bus polarity, source, protection and discharge
  • Restore motor, feedback and brake data from the approved project
  • Keep motor-cable routing and protective-earth connections unchanged
  • Maintain 80 mm top and bottom clearances
  • Provide the documented forced-air volume without recirculation
  • Test low-speed current and the full machine duty while monitoring temperature
  • Single-axis operation in an IndraDrive M system
  • Three-phase synchronous motor operation
  • Three-phase asynchronous motor operation
Description
HMS02.1N-W0054-A-07-NNNN is listed in Bosch Rexroth IndraDrive M documentation with a 254–750 V DC rated input, 3 × AC 0–500 V output and 25.0 A rated output current.

The exact type code must be matched with the documented control section, firmware, motor and DC-bus configuration; these items are not interchangeable by current rating alone.

Before replacement, verify the complete type plate and retain the approved parameter set and commissioning documentation.
Alternative Names
HMS02.1N-W0054-A-07-NNNN HMS02 1N W0054 A 07 NNNN HMS021NW0054A07NNNN Bosch Rexroth HMS02.1N-W0054-A-07-NNNN Rexroth HMS02.1N-W0054-A-07-NNNN
Technical notes
HMS02.1N-W0054-A-07-NNNN is an inverter power section, not a complete drive controller; control section and firmware are separate. Match the DC bus, motor, cooling and saved 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.
Does HMS02.1N-W0054-A-07-NNNN include the control section and firmware?
No—not as part of this power-section catalog number. The official HMS02 scope of supply lists the touch guard, electrical connectors and documentation, while the power section, control section and firmware have separate identities. Before ordering, confirm the required control-section type and options, complete firmware code and version, and availability of the machine parameter set.
Can HMS02.1N-W0054-A-07-NNNN replace HMS02.1N-W0028-A-07-NNNN without engineering changes?
No. HMS02.1N-W0054-A-07-NNNN is 75 mm wide instead of 50 mm, has higher current capability, 37.0 instead of 17.2 m³/h forced-air capacity, 0.27 instead of 0.14 mF DC-bus capacitance, and supports 12 and 16 kHz operation in addition to 4 and 8 kHz. Check mounting space, accessories and busbars, supply-unit capacity, motor duty, protection, control section, firmware and parameters before replacing the W0028 unit.
When can HMS02.1N-W0054-A-07-NNNN use 12 or 16 kHz switching?
Use these frequencies only when the installed control section and firmware permit the setting and the motor duty remains within the reduced current limits. At 12 kHz, continuous current is 12.7 A and falls to 7.0 A below the 2–4 Hz standstill threshold; at 16 kHz, the corresponding limits are 10.2 A and 5.6 A. Also verify whether load-dependent switching-frequency reduction is configured before relying on continuous high-frequency operation.
Why can HMS02.1N-W0054-A-07-NNNN lose torque at very low motor speed?
Below the 2–4 Hz standstill-detection threshold, the power section reduces continuous output current for thermal protection. The low-speed limits are 19.2 A at 4 kHz, 12.5 A at 8 kHz, 7.0 A at 12 kHz and 5.6 A at 16 kHz. Compare the required load torque with the applicable limit before changing tuning, then check brake release, current limiting and cooling if the available torque is still abnormal.
What DC-bus checks matter before installing HMS02.1N-W0054-A-07-NNNN?
Confirm that the feeding IndraDrive supply unit or suitably rated HCS converter can support the complete common-bus load and that the DC bus remains within 254–750 V. Verify L+ and L− polarity, contact bars or cable sizing, incoming-circuit protection, equipment grounding and completion of the supply unit’s normal precharge and ready sequence. Before touching the bus, isolate the supplies, wait at least 30 minutes and measure that the voltage has fallen below 50 V.
Why might HMS02.1N-W0054-A-07-NNNN overheat after replacement?
Verify that its forced-air system is operating and that the 37.0 m³/h airflow path is unobstructed, with at least 80 mm clearance above and below the unit. Nominal data applies from 0 to 40°C; operation up to 55°C requires derating. Also account for the power section’s 350 W dissipation at continuous current, plus heat from the control section and braking resistor, and check whether the selected switching frequency and actual continuous-current duty exceed the intended operating point.
Why can HMS02.1N-W0054-A-07-NNNN power up after replacement but remain not ready for operation?
Power at the HMS02 power section alone does not establish drive readiness. Verify the control section and firmware identities, restored parameter set, external 24 V supply, DC-bus ready state, safety and enable circuits, and the Bb readiness contact at the control section. Then check motor feedback, temperature monitoring and brake wiring and act on the first displayed diagnostic instead of changing parameters by trial.

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