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Series
7.1800

Power Units in Modular Design

Operating pressure 30 to 500 bar
flow rate 0.9 to 12 l/min
reservoir sizes 11 l, 27 l, 40 l, 63 l
Power Units in Modular Design
Downloads
Catalogue sheet
ENDEESFRIT
Operating instructions
Information Series
Description
7.1800 Power Units in Modular Design

Operating pressure 30 to 500 bar, flow rate 0.9 to 12 l/min
reservoir sizes 11 l, 27 l, 40 l, 63 l

 

Application

For the operation of hydraulic clamping fixtures and other handling and clamping systems on machine tools.

 

Description

The power units of this series consist of individual modules that are selected depending on the application and are assembled on the basis of a type code to a power unit ready for use.

 

Modules

  •  Power unit (reservoir, pump, motor)
  •  Connecting block basic functions
  •  Valve block with up to 4 control circuits
  •  Electronics

 

Characteristics

  •  For single and double acting cylinders
  •  Continuously adjustable operating pressure
  •  Expandable to up to 8 pressure circuits
  •  Constant flow rate
  •  Wide range of valves
  •  Wide range of hydraulic functions
  •  Energy-saving mode S3 (intermittent mode) or S6 (unpressurised cycle)
  •  Supplied ready for Connection

 

Equipment - Standard

  •  Connecting block with pressure relief valve
  •  Pressure filter 10 μm
  •  Oil level gauge
  •  Oil temperature gauge
  •  Design without piping

 

Equipment - Options

  • Electronic system pressure Switch with simplified pressure adjustment by teach-in function
  •  Pressure switch for machine tool interlock mechanically or electronically
  •  Electrical oil level control
  •  Electrical temperature control
  •  Return filter
  •  Electrical filter control
  •  Electric control
  •  Terminal box
  •  Foot switch or manual switch
  •  Key-operated Switch
Products (12)
type
modular power unit (12)
max. operating pressure [bar]
500 (12)
clamping circuits
max. 4 clamping circuits (12)
pressure switch
option (12)
max. flow rate [l/min]
5,2+0,7 (12)
oil volume of the reservoir [l]
usable oil volume [l]
switch
max. 4 switches (12)
valves
option (12)
nominal current motor [kW]
0.75 (12)
supply voltage
3 ~ 230/400 V Y 50 Hz (12)
electrical equipment
option (12)
oil level and temperature control
option (12)
handle
option (12)
Item no. CAD datatypemax. operating pressure [bar]clamping circuitspressure switch
Item no.
8459002
CAD data
type
modular power unit
max. operating pressure [bar]
500
clamping circuits
max. 4 clamping circuits
pressure switch
option
Properties
Item no.
8459003
CAD data
type
modular power unit
max. operating pressure [bar]
500
clamping circuits
max. 4 clamping circuits
pressure switch
option
Properties
Item no.
8459002
type
modular power unit
max. operating pressure [bar]
500
clamping circuits
max. 4 clamping circuits
pressure switch
option
max. flow rate [l/min]
5,2+0,7
oil volume of the reservoir [l]
63
usable oil volume [l]
31.5
switch
max. 4 switches
valves
option
nominal current motor [kW]
0.75
supply voltage
3 ~ 230/400 V Y 50 Hz
electrical equipment
option
oil level and temperature control
option
handle
option
Item no.
8459003
type
modular power unit
max. operating pressure [bar]
500
clamping circuits
max. 4 clamping circuits
pressure switch
option
max. flow rate [l/min]
5,2+0,7
oil volume of the reservoir [l]
63
usable oil volume [l]
31.5
switch
max. 4 switches
valves
option
nominal current motor [kW]
0.75
supply voltage
3 ~ 230/400 V Y 50 Hz
electrical equipment
option
oil level and temperature control
option
handle
option
Accessories (3)
Item no. CAD data Description
Item no.
3887121
CAD data
/
Description
Return filter control operating pressure: 0-10 bar material: housing: polyamide connecting part: steel, galvanized membrane: NBR seal: copper code class: IP 67 switching voltage: max. 30 VDC as per data sheet D8.026
Item no.
8000430
CAD data
/
Description
Pressure filter control for plug-type connector with illuminated display with snap switching element min. switching voltage: 12 VDC min. switching current: 10 mA at 24 VDC connection: connector, M 12, 4-pin as per data sheet D8.026
Item no.
9740049A
CAD data
Description
Electronic pressure switch with classic parameterisation Operating voltage: 12..32 VDC Pressure range: 5..600 bar Operating temperature - 20..+80 °C Protection class (EN 60529): IP65 Pressure connection: G1/4A, SW 19 Electrical connection: M12 plug, 4-pole as per data sheet F9.734
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Please note: Our CAD data are generally simplified data and primarily reflect the outer contour and connections of the product (see also Terms of use). Please always refer to the relevant catalogue sheet for the exact dimensions with tolerances, in particular the information on mounting holes or attachments such as special clamps.