Pfeiffer

DCU 400 Digital Control Unit Turbomolecular Pump Controller

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The Pfeiffer DCU 400 is a digital control unit for turbomolecular pumps with an integrated mains power unit. The DCU 400 provides a 48 V DC output at 8.4 A (approximately 400 W). The DCU 400 features a front LCD and keypad, and uses convection cooling.^[1]^[2]^[3]

DCU 400 Digital Control Unit Turbomolecular Pump Controller — Inventory photo — Fig. 01DCU 400 Digital Control Unit Turbomolecular Pump ControllerInventory photo^[1]

Power

100 – 240 V AC, 5.2 – 1.7 A, 50/60 Hz^[1]

Vacuum

86 kPa - 106 kPa^[2]

What it is

The Pfeiffer DCU 400 is a digital control unit for a turbomolecular pump controller.^[1]^[4]

The DCU 400 uses 100–240 V AC input power and provides 48 V DC output power.^[1]^[4]

How it works

The DCU 400 has a front LCD and keypad for local operation. The DCU 400 also uses convection cooling.^[1]^[4]

Applications

The DCU 400 is used with turbomolecular pumping hardware in vacuum systems. The unit is suited to pump control and monitoring in setups that require electronic drive control and pressure-gauge connection.^[2]

What do the numbers mean?

Power & electrical5

Input Power: 100 – 240 V AC, 5.2 – 1.7 A, 50/60 Hz^[1]
Output Power: 48 V DC @ 8.3 A (≈ 400 W)^[1]
Output Voltage: 48 V DC (± 2 %)^[3]
Input Voltage (mains): 115-230 V AC (-20/+15%), 50/60 Hz^[2]
Recommended Electronic Drive Units: TC 400 (48 V DC), TC 120 (48 V DC), TM 700^[3]

Vacuum & pumping1

Air Pressure: 86 kPa - 106 kPa^[2]

Dimensions & facilities1

Weight: 2.3 kg^[3]

Configuration & options9

Front LCD + keypad^[1]
Cooling: Convection^[1]
Output Current: 8.4 A^[3]
Max. Power Consumption: 450 VA^[3]
Front Panel: Front LCD + keypad^[1]
Protection Type: IP20^[2]
Ambient Temperature: 5 - 50°C^[2]
Relative Humidity: 5 - 85%, non-condensing^[2]
Part Number: PM C01 823 / PMC01823^[3]

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Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

Input Power100 – 240 V AC, 5.2 – 1.7 A, 50/60 Hz^[1]
Output Power48 V DC @ 8.3 A (≈ 400 W)^[1]
Output Voltage48 V DC (± 2 %)^[3]
Input Voltage (mains)115-230 V AC (-20/+15%), 50/60 Hz^[2]
Air Pressure86 kPa - 106 kPa^[2]
Recommended Electronic Drive UnitsTC 400 (48 V DC), TC 120 (48 V DC), TM 700^[3]

Where are the manuals?

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Not publicly documented

Field notes

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Not publicly documented

The following facts about the DCU 400 Digital Control Unit Turbomolecular Pump Controller are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the DCU 400 Digital Control Unit Turbomolecular Pump Controller are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the DCU 400 Digital Control Unit Turbomolecular Pump Controller are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the DCU 400 Digital Control Unit Turbomolecular Pump Controller are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the DCU 400 Digital Control Unit Turbomolecular Pump Controller are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the DCU 400 Digital Control Unit Turbomolecular Pump Controller is not on record.
Answerable by: an OEM datasheet or a fab qualification report

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Sources & citations

Sources (4)Every fact above is drawn from these public sources

[1]Inventory photo
[2]idealvac.com — idealvac.comidealvac.com
[3]ptbsales.com — ptbsales.comptbsales.com
[4]DCU 400 Digital Control Unit Turbomolecular Pump Controller — Pfeiffer | Specs, Sourcing & Service | Waferpedia — waferpedia.comwaferpedia.com