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HCS03.1E-W0070-A-05-NNBV

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Bosch Rexroth HCS03.1E-W0070-A-05-NNBV (R911308417) is a 70 A IndraDrive C compact converter with integrated 24 V control supply and brake chopper.
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Technical specifications for HCS03.1E-W0070-A-05-NNBV

  • Manufacturer:
    Rexroth
  • Part Number:
    HCS03.1E-W0070-A-05-NNBV
  • Product Family:
    Rexroth
  • Product Type:
    IndraDrive C Compact Converter Power Section
  • Stock:
    1
  • Maximum current:
    70 A
  • Continuous current:
    45 A at 4 kHz nominal data
  • Mains supply:
    3-phase 400 to 500 VAC, +10% / -15%, 50 to 60 Hz
  • Output voltage:
    3-phase 0 to 480 VAC
  • Continuous power:
    13 kW without choke; 25 kW with choke
  • Maximum power:
    20 kW without choke; 40 kW with choke
  • Integrated functions:
    24 V control-voltage supply and brake chopper (NNBV)
  • Protection:
    IP20
  • Switching frequencies / output:
    4 kHz / 0–400 Hz; 8 kHz / 0–800 Hz; 12 kHz / 0–1200 Hz; 16 kHz / 0–1600 Hz
  • Operating ambient:
    0 to +40°C nominal; derated operation to +55°C
  • Dimensions:
    12.5 × 31.5 × 44.0 cm
  • Weight:
    12.28 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 Braking System Power Integration Control Restore Application
  • Match material R911308417 and the complete NNBV hardware suffix
  • Engineer the external braking resistor and common DC-bus energy path
  • Preserve the separate control section, firmware and axis configuration

HCS03.1E-W0070-A-05-NNBV is a Bosch Rexroth indradrive c compact converter power section for the IndraDrive C HCS03 family.

Bosch Rexroth HCS03.1E-W0070-A-05-NNBV (R911308417) is a 70 A IndraDrive C compact converter with integrated 24 V control supply and brake chopper. The exact NNBV type is material R911308417. NNBV identifies the integrated control-voltage supply and braking transistor; the control section and firmware remain separate selection items.

Before installation or replacement, verify the complete nameplate, compatible companion hardware, wiring or network design, saved configuration and commissioning plan.

Availability, condition, price, and shipping time for HCS03.1E-W0070-A-05-NNBV are confirmed during quotation.

Bosch Rexroth HCS03.1E-W0070-A-05-NNBV IndraDrive C Compact Converter Power Section Manuals, Product Family, 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.

  • Use the official HLR resistor assignment as the starting point
  • Calculate regenerated energy, duty cycle and resistor temperature
  • Verify DC-bus voltage during repeated high-energy stops
  • Confirm 400–500 V mains, choke/filter and protection
  • Size any common DC-bus conductors and connected axis load
  • Maintain blower airflow, clearances and cabinet heat removal
  • Match control section, firmware, encoder and safety options
  • Restore current, motor and communication parameters
  • Validate loaded motion, regeneration and controlled recovery
  • High-power machine-tool axes
  • Printing and paper-processing machinery
  • Packaging, handling and converting systems
Description
HCS03.1E-W0070-A-05-NNBV is a Bosch Rexroth indradrive c compact converter power section for the IndraDrive C HCS03 family.

Bosch Rexroth HCS03.1E-W0070-A-05-NNBV (R911308417) is a 70 A IndraDrive C compact converter with integrated 24 V control supply and brake chopper. The exact NNBV type is material R911308417. NNBV identifies the integrated control-voltage supply and braking transistor; the control section and firmware remain separate selection items.

Before installation or replacement, confirm the complete HCS03.1E-W0070-A-05-NNBV identity, compatible hardware, wiring, saved configuration and installed-system requirements.
Alternative Names
HCS03.1E-W0070-A-05-NNBV HCS03.1E W0070 A 05 NNBV HCS031EW0070A05NNBV Bosch Rexroth HCS03.1E-W0070-A-05-NNBV Rexroth HCS03.1E-W0070-A-05-NNBV R911308417
Technical notes
HCS03.1E-W0070-A-05-NNBV is material R911308417 with integrated 24 V control supply and brake chopper. Match the separate control section and firmware, external braking resistor and any common DC-bus design.
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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.
Why must the NNBV suffix match when replacing HCS03.1E-W0070-A-05-NNBV?
NNBV identifies the integrated 24 V control-voltage supply and brake chopper. Other suffixes can change control power and braking hardware even when the W0070 current class matches.
How should the external braking resistor for HCS03.1E-W0070-A-05-NNBV be selected?
Use the documented HLR assignment and calculate regenerated energy, duty cycle, resistance, continuous/peak power, wiring and thermal placement for the machine cycle.
Can the internal and external 24 V control-power sources of HCS03.1E-W0070-A-05-NNBV be connected in parallel?
Not unless the documented NNBV wiring arrangement explicitly permits it. Select the approved internal or external control-power scheme, verify polarity and reference potential, and prevent unintended backfeeding between the two supplies.
Can any mains choke with a sufficient current rating be used with HCS03.1E-W0070-A-05-NNBV?
No. The choke must meet the Bosch Rexroth requirements for inductance, current, voltage, thermal duty and short-circuit coordination. A higher nameplate current alone does not establish compatibility with the converter or its mains protection.
How should airflow be arranged when HCS03.1E-W0070-A-05-NNBV is installed beside other drive units?
Maintain the documented mounting orientation and clearances, keep hot exhaust from entering adjacent air inlets, and prevent cable ducts or cabinet components from obstructing the cooling path. Verify the inlet temperature under the worst simultaneous drive load.
Why can the external braking resistor overheat even when HCS03.1E-W0070-A-05-NNBV does not report DC-bus overvoltage?
The braking transistor may be controlling the DC-bus voltage while the resistor still absorbs more average energy than its duty rating permits. Check resistance, peak and continuous power, cycle frequency, ventilation, thermal contact and the programmed deceleration profile.
How should HCS03.1E-W0070-A-05-NNBV be commissioned after replacement?
Validate mains, control supply, blower, precharge and braking path first; restore control data, then prove feedback, current limits, regeneration, stopping and fault recovery.

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