HMV01.1R-W0055-A-07-FNN4 Bosch Rexroth Indramat
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MPN: R911346996
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The Bosch Rexroth Indramat HMV01.1R-W0055-A-07-FNN4 is part of the HMV IndraDrive Supply Units series. This regenerative supply unit features a DC bus nominal voltage of 700 V and an internal air cooling method with an integrated blower. It has a protection rating of IP20.
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Product Description:
The HMV01.1R-W0055-A-07-FNN4 is a supply unit produced by Bosch Rexroth Indramat for the HMV IndraDrive Supply Units series. Positioned between the plant mains and a group of IndraDrive inverters, the module rectifies incoming AC, maintains a regulated DC link, and feeds recovered braking energy back to the utility. In multi-axis automation cells, this function keeps bus voltage stable during rapid speed changes and reduces heat that would otherwise be dissipated by external brake resistors. Because one supply unit can support several connected inverters on a common DC bus, it is suitable for coordinated motion systems such as transfer lines, gantries, and spindle groups. By returning excess energy to the line instead of converting it into heat, the module supports frequent braking events on high-inertia axes.
Thermal management is handled by internal air cooling that circulates through heat-sink channels to protect sensitive IGBTs. This airflow passes through internal paths rather than relying on external cabinet ducting, which helps simplify enclosure integration. The unit maintains a bus level of DC 700 V, giving connected converters a stable source for rapid acceleration and deceleration cycles. A regenerative bridge lets reverse motor energy flow back to the grid, which can lower overall power consumption during repetitive duty cycles. Safety is supported by an enclosure rated IP20, so live parts are finger-safe while ventilation remains available. The unit is built as Design Version 1, which indicates this design revision within the product line.
The device is classified as an HMV Supply Unit and is in Series Version 01. An integrated blower engages automatically when heat-sink temperature rises, helping the unit maintain operating temperature during changing load conditions. Embedded diagnostics monitor the Power Supply Configuration state and log faults if regenerative operation is inhibited. This status reporting allows the connected drive system to react to supply-side issues before DC-bus performance is affected. It also helps identify operating interruptions related to mains input or energy feedback conditions.
Frequently Asked Questions about HMV01.1R-W0055-A-07-FNN4:
Q: What cooling method is used by the HMV01.1R-W0055-A-07-FNN4 supply unit?
A: The HMV01.1R-W0055-A-07-FNN4 uses an internal air cooling system with an integrated blower for thermal management.
Q: What type of power supply configuration does the HMV01.1R-W0055-A-07-FNN4 offer?
A: This supply unit features a regenerative power supply configuration, allowing energy recovery.
Q: What is the DC bus nominal voltage for the HMV01.1R-W0055-A-07-FNN4?
A: The HMV01.1R-W0055-A-07-FNN4 has a DC bus nominal voltage of 700 V.
Q: What protection rating does the HMV01.1R-W0055-A-07-FNN4 supply unit have?
A: This model is rated with an IP20 protection level, safeguarding against solid objects but not liquids.
Q: What design version is the HMV01.1R-W0055-A-07-FNN4 supply unit?
A: The HMV01.1R-W0055-A-07-FNN4 is built to Design Version 1 specifications.
