Used Bütfering Sanding Machine Bütfering Optimat Sgo 211 Rc for sale (67,641)

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 1470x810x1120 mm Weight 250 kg Fodpfxsvz Hhlo Afkjph Total power requirement 3 kw

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 4700x1600x1500 mm Weight 580 kg Fpedsvz Hlkspfx Afkjh Total power requirement 3 kw

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 1700x950x1260 mm Weight 400 kg Fodpfxsvz Hlqj Afkjph Total power requirement 3,5 kw

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 1680x930x1200 mm Weight 350 kg Fpedpfx Aevz Hn Sjfkjh Total power requirement 3,5 kw

Condition: excellent (used), Year of construction: 2023, For sale is a JET drum sander 2244 equipped with a 1.8 HP motor and a maximum sanding width of 560 mm. The machine is in excellent condition and has been inspected and refurbished by our service team. Technical specifications: - Sanding width: 560 mm (1120 mm) - Sanding thickness: 0.8 – 102 mm Fpsdeyzqtqjpfx Afkjh - Infinitely variable feed rate: 0 – 3 m/min - With oscillation - Drum speed: 1450 rpm - Suction connection Ø 100 mm - Motor power: 1.8 HP / 230 V - Year of manufacture: 2023 / as new The machine is located in A-5431 Kuchl and can be viewed at any time during our opening hours. Subject to prior sale! Related terms: JET 2244, drum sander, cylinder, oscillation, sanding machine Reference: R-L0B6O

Year of construction: 2014, condition: used, machine/vehicle number: 753.04.14, Equipment: - Brush grinding machine with rotating grinding brush belt - Motorized height adjustment of the grinding unit, adjustment range from approx. 0 - 80 mm, freely programmable via machine control. - Operating side in the direction of travel, right - Rotating brush set consisting of 174 segment brushes, length 1,300 mm. Segments are easy to change and are inserted into the brush belt from the side. - With vacuum conveyor belt - With cleaning roller for the feed belt Technical data: - Working width: 1300 mm - Max. part thickness approx. 80 mm (depending on the abrasive coating) - Working height: 850 - 900 mm - Year of manufacture 2014 - Feed continuously adjustable, 3 m/min-10 m/min - Machine length: 3860 mm - Machine width: 2400 mm - Machine height: 2000 mm - Paint finish in RAL 7035, light gray with - Contrast color green Fodpoxrb Rfofx Afkeph - Voltage: 400V/50HZ - Electrical connection 16kW/36A - Machine weight: approx. 2600 kg

Year of construction: 1999, condition: used, machine/vehicle number: 942, - Manufacturer: Fladder - Type. Gyro 300 VAC Ex - Working width 1300 mm - Year of construction 1999 - Number of brush heads 6 pcs. - Rotating and oscillating sanding unit - 2 vacuum fans- Motor power 7.5 kW Fedpfxsvwa Drs Afkeph - With vacuum conveyor belt - Electrical connection switch cabinet 1, machine 10kW - Electrical connection switch cabinet 2, vacuum fan, 15kW - Feed infinitely variable 2 - 8 m/min - Length 2070 mm - Width 2370 mm - Height 2240 mm - Weight 2300 kg - Separate switch cabinet, Dimensions: W: 800mm, Depth: 400mm, Height: 1700mm - Location, in stock - Volt, HZ 400 / 50

Condition: used, Year of construction: 2005, machine/vehicle number: A41213AC1, Technische Daten: - Hersteller: Costa - Typ.: SA TS 1350 - Baujahr: 2005 - Arbeitsbreite: 1.350 mm - Schleifbandmaß: 2.620 x 1.380mm - Schleifhöhen: 3-160m - Vorschubgeschwindigkeit: 5 -25m/min. - 1. Aggregat: - Längschleifaggragat - Bandmaße: 2620 x 1380mm - Elektronischer Schleifschuh, System Costa - Tastrollenabstand: 32mm - Segmentbreite: 32mm Fpjdpfx Afex Ex Tmeksh - Motorleistung Antrieb, 11kW - Entstauberbürste Durchmesser: 180mm - Bedienseite: links - Höhenverstellung: motorisch - Vakuum Transportband - Gesamtanschluß 20KW / 43A - Breite: 1.924mm - Länge: 2.059mm - Höhe: 2.185 - 2.375mm - Absaugstutzen: D 2x100mm + 2x160mm - Volumenstrom: 4.830m³/h bei 24m/s - Druckluft: 6bar, 880NL/min. - Volt, Hz 400 / 50 - Spannungsschwankungen max. +/- 5 % - Gewicht 3.100kg - Standort, am Lager Blomberg

Condition: excellent (used), Machine suitable for the polishing and the cleaning process (top & bottom) of panels. - Upper cleaning system (with 2 motorized rubbered cross belts with brushes) Motor power: Kw 0.19 - Lower cleaning system (with 2 motorized rubbered cross belts with brushes) Fedpfsyw Rqzsx Afksph Motor power: Kw 0.19 - Max working width mm 2000

Condition: excellent (used), Machine suitable for the polishing and the cleaning process (top & bottom) of panels. - Top cleaning system (motorized rubbered cross belt with brushes) Motor power: Kw 0.75 - Bottom cleaning system (motorized rubbered cross belt with brushes) Motor power: Kw 0.75 - Upper (top) section lifting motor: 0.25 kW - Max working width mm 1300 ca. Fpedpoyw Rqhjfx Afksh - Built-in control panel

Condition: excellent (used), Machine suitable for the polishing and the cleaning process (top & bottom) of panels. - Upper cleaning system (with 2 motorized rubbered cross belts with brushes) Fedpoyw Rpqefx Afkoph Motor power: Kw 0.19 - Lower cleaning system (with 2 motorized rubbered cross belts with brushes) Motor power: Kw 0.19 - Max working width mm 1500 ca.

Condition: excellent (used), Machine suitable for the polishing and the cleaning process (top & bottom) of panels. Fpodpfeyw Rnyex Afksh To be positioned on a motorised roller conveyor following a drilling machine, a double-sided edge bander or double-end tenoner - Top cleaning system (motorized rubbered cross belt with brushes) Motor power: Kw 0.19 - Bottom cleaning system (motorized rubbered cross belt with brushes) Motor power: Kw 0.19 - Max useful working width mm 3500

Condition: used, Dimensions (l x w x h) approx.: 3200 x 1800 x 1600 mm Weight approx.: 500 kg 3 spindles, Fodpfx Afexrlgwekoph 1 milling spindle, 2 - 3 grinding and milling spindles, feeder belt approx. 100 mm wide, total working length approx. 3000 mm, extendable workpiece support

Condition: new, functionality: fully functional, Year of construction: 2026, Vertical Shaft Impact Crushers (VSI) stand out among rock crushing machines due to their high crushing efficiency and excellent particle shape production. Developed by CONSTMACH, these sand-making machines are used in the tertiary crushing stage to give cubic form to materials obtained from secondary crushers and to produce a high proportion of fine material. The system offers superior performance in processing all types of minerals and ores, as well as hard rocks such as basalt and granite. High-quality sand is produced from materials with a maximum feed size of 45 mm. Vertical shaft impact crushers allow you to easily obtain the desired product size for different material types thanks to their variable speed rotor system. It offers production capacity flexibility with a high reduction ratio, large feed hopper, and four different crushing chambers. In addition, high-chromium wheel shoes, anvils, and heavy-duty bearings ensure long life and low maintenance costs. The independent lubrication system and optional anvil replacement mechanism maximize uptime. Vertical Shaft Impact Crusher Technical Specifications Model: VSI-700-CR Maximum Feed Size: 35 mm Weight: 6,500 kg Motor Power: 110 kW Rotor Diameter: Ø700 mm Rotor Speed: 60–70 m/s Production Capacity: 60–100 t/h Model: VSI-800-CR Maximum Feed Size: 40 mm Weight: 12,000 kg Motor Power: 2 x 160 kW Rotor Diameter: Ø800 mm Rotor Speed: 45–60 m/s Fsdpexqgyvefx Afksph Production Capacity: 150–200 t/h Model: VSI-900-CR Maximum Feed Size: 45 mm Weight: 14,500 kg Motor Power: 2 x 185 kW Rotor Diameter: Ø900 mm Rotor Speed: 50–60 m/s Production Capacity: 200–250 t/h Model: VSI-1000-OR Maximum Feed Size: 90 mm Weight: 15,000 kg Motor Power: 2 x 200 kW Rotor Diameter: Ø975 mm Rotor Speed: 50–60 m/s Production Capacity: 250–300 t/h Why Choose CONSTMACH Vertical Shaft Impact Crushers? CONSTMACH is a globally preferred brand in the production of stone crushing machines and sand making machines with its engineering quality. Our vertical shaft impact crushers offer high performance, low operating costs, and long-lasting use. Our models, which can be customized to the production needs of each facility, provide the advantages of easy maintenance and high efficiency. CONSTMACH is always the right choice for businesses seeking quality, reliability, and sustainable production. What Do We Do at Constmach? Constmach is a leading machine manufacturer serving the construction and mining industries with a wide range of products. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance.

Condition: new, functionality: fully functional, color: other, Year of construction: 2026, Vertical Shaft Impact Crushers (VSI) stand out among rock crushing machines due to their high crushing efficiency and excellent particle shape production. Developed by CONSTMACH, these sand-making machines are used in the tertiary crushing stage to give cubic form to materials obtained from secondary crushers and to produce a high proportion of fine material. The system offers superior performance in processing all types of minerals and ores, as well as hard rocks such as basalt and granite. High-quality sand is produced from materials with a maximum feed size of 45 mm. Vertical shaft impact crushers allow you to easily obtain the desired product size for different material types thanks to their variable speed rotor system. It offers production capacity flexibility with a high reduction ratio, large feed hopper, and four different crushing chambers. In addition, high-chromium wheel shoes, anvils, and heavy-duty bearings ensure long life and low maintenance costs. The independent lubrication system and optional anvil replacement mechanism maximize uptime. Vertical Shaft Impact Crusher Technical Specifications Model: VSI-700-CR Maximum Feed Size: 35 mm Weight: 6,500 kg Motor Power: 110 kW Rotor Diameter: Ø700 mm Rotor Speed: 60–70 m/s Production Capacity: 60–100 t/h Model: VSI-800-CR Maximum Feed Size: 40 mm Weight: 12,000 kg Motor Power: 2 x 160 kW Rotor Diameter: Ø800 mm Rotor Speed: 45–60 m/s Production Capacity: 150–200 t/h Model: VSI-900-CR Maximum Feed Size: 45 mm Weight: 14,500 kg Motor Power: 2 x 185 kW Rotor Diameter: Ø900 mm Rotor Speed: 50–60 m/s Production Capacity: 200–250 t/h Model: VSI-1000-OR Maximum Feed Size: 90 mm Weight: 15,000 kg Motor Power: 2 x 200 kW Fpjdsxqf Urjpfx Afkoh Rotor Diameter: Ø975 mm Rotor Speed: 50–60 m/s Production Capacity: 250–300 t/h Why Choose CONSTMACH Vertical Shaft Impact Crushers? CONSTMACH is a globally preferred brand in the production of stone crushing machines and sand making machines with its engineering quality. Our vertical shaft impact crushers offer high performance, low operating costs, and long-lasting use. Our models, which can be customized to the production needs of each facility, provide the advantages of easy maintenance and high efficiency. CONSTMACH is always the right choice for businesses seeking quality, reliability, and sustainable production. What Do We Do at Constmach? Constmach is a leading machine manufacturer serving the construction and mining industries with a wide range of products. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance.

Condition: new, Year of construction: 2025, functionality: fully functional, fuel type: hybrid, color: other, Equipment: cabin, The fixed sand washing and screening plant is an advanced system designed for the high-efficiency separation and cleaning of natural sand and gravel. Developed with CONSTMACH engineering, these plants can be customized according to different production capacities, final product sizes, and washing requirements. Thanks to the plant's modular design, it can be easily integrated into any project area with different layout plans. It offers flawless washing performance with options such as a high-vibration feed bunker, a washing nozzle vibrating screen, and a helical or bucket washer. The hydrocyclone system ensures maximum efficiency in separating fine material. Furthermore, thanks to the PLC-controlled automation system, all processes are managed from a single point, minimizing the margin of error. Fpjdpfx Aoxqai Rjfksh CONSTMACH stationary sand washing and screening plants are equipped with SIEMENS and SCHNEIDER brand electronic components, offering long-term use and high durability. With these features, they are an ideal solution for companies that want to maintain high quality standards in aggregate production. Stationary Washing and Screening Plant Technical Specifications Production Capacity: 100 – 250 t/h Maximum Feed Size: 200 mm Feed Height: 4.5 meters Main Configuration: Feed Bunker + Washing Nozzle Vibrating Screen + Helical Washer / Bucket Washer / Dewatering Screen and Hydrocyclone + Conveyor Belts Total Motor Power: Varies according to production capacity Electric Generator Requirement: Varies according to production capacity Weight: Varies according to production capacity Why Should You Choose CONSTMACH Stationary Washing and Screening Plants? CONSTMACH combines its long-standing engineering experience in washing and screening technologies with high quality standards. All systems provide long-term use with low maintenance costs thanks to their durable steel construction and energy-efficient motors. In addition, with project-based customization options, it offers full compliance with each customer's production goals. Thanks to its superior service network and fast spare parts supply, CONSTMACH plants preserve the value of your investment in the long term. What Does Constmach Do? Constmach is a leading machine manufacturer serving the construction and mining industries with a wide range of products. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance.

Condition: excellent (used), ITALMECCANICA PROFILWOOD MAK6B Automatic Grinder / Sanding machine 6 sanding units, each 1.5 kW, max. working width 250 mm, Fsdpfx Afedykwlokoph Depth 0-250 mm, min. Dimensions in mm: approx. 4700 x 2000 x 2300, Weight in kg: approx. 3000, (Makor, Delle Vedove, Venjakob, Flader)

Condition: new, Year of construction: 2026, Belt width: 200 mm Fpedpfeyvz Rijx Afksh Belt length: 2600 mm Oscillation: yes Sanding rollers for contours: 1 Tilting sanding unit: yes Table size: 930 mm x 300 mm Extraction connection: 140 mm Motor power: 3 kW Machine length: 1700 mm Machine width: 700 mm Weight: 280 kg

Condition: new, Number of sanding units 1 St. Fpsdpfx Aeytx Ufsfksh Profile width 390 mm Profile height max. 390 mm

Condition: good (used), Ehemann belt sanding machine FU 3 with 3 sanding units Oscillating. Sanding width 400 mm. Height approx. 150 mm. Sturdy machine with little wear. Fodetdpa Uepfx Afkoph

Condition: new, Number of sanding units 2 St. sanding width 290 mm Sanding height max. 180 mm LÖWER-DoubleSander Solid DSM 3000 ----- Two-sided single wood sander for sanding Solid wood such as window wood etc. Stable Top version with long casting tables, brushing and finishing device and conveyor belt feed. Suitable for high Permanent load even with higher chip removals. - Staggered sanding and finishing units at the top and below - directly driven rubberized sanding rollers for slip-proof free power transmission - Combined grinding via roller and shoe for high chip removal with a flat intervention zone at the same time - maintenance and wear-free CERMET-coated grinding wheels shoes with very good thermal conductivity and absolute Dimensional accuracy - External cooling of the grinding zones for cooler grinding and longer sanding belt service life - force-guided pneumatically controlled sanding belt oscillation - effective sanding dust extraction directly on the Grinding rollers - Airborne dust extraction on the tension rollers - Integrated brushing and finishing device with large Grinding dust extraction - motorized grinding thickness adjustment via precision threaded spindles and large-sized linear ball screws bearing sets on hardened and ground precision shafts with dust and dirt protection - Adjustment of the chip removal at the bottom via precision Threaded spindle with dimension display via scale ring (Resolution 0.1mm) - Sanding belt tension via pneumatic cylinder constant clamping pressure - Sanding belt change with pneumatic belt relaxation Within seconds - Adjustment option for the sanding belt run Band change - electro-pneumatic compressed air monitoring - Anti-running protection via contact roller if it is too thick workpieces - Workpiece transport via calibrated non-slip and non-stick fixed conveyor belts over heavy, 1000mm long cast iron tables with a finely planed surface and spring-loaded Pressure rollers with fine adjustment - Cardan shaft drive for smooth and consistent Workpiece transport - Feed gear motor infinitely variable for quick adaptation to different types of wood - all motors electrically protected - Ergonomically arranged controls on the workpiece inlet side - digital thickness display (resolution 0.1mm) with modern Magnetic tape system Technical data: - Sanding belt speed 22 m/s - Sanding belt length 1800mm - Sanding belt width 300mm - Working width 290mm - Grinding thickness 2-180mm - two brake motors for 7.5 kW drive - Feed motor 1.0 kW - Feed speed 4-20 m/min. - automatic height adjustment 0.37 kW - two brush units of 0.37 kW each with fiber brushes D 120 x 300mm - Suction nozzles 2 x 120mm and 2 x 150mm - Pneumatic connection 6 bar - Working height 850mm - Length 2105mm Fpodpfx Afeyrty Tekeh - Length with control panel 2490mm - Width 980mm - Height 1910mm - Weight approx. 1650 kg - Operating voltage 400 volts, 50 Hz, 3P - CE version ----- Price of the above machine on request! ----- Special accessories with additional costs: Workpiece blow-off - using nozzles from above and below at the machine outlet arranged, pneumatically controlled Sanding belt blowout via nozzles directly on the radii of the tension rollers inside the suction arranged, timer controlled on/off 5 seconds each, can be switched on separately Disc unit for defibering - two gr...

Condition: new, Number of sanding units 4 St sanding width 190 mm Sanding height max. 2 - 180 mm LÖWER - DoubleMaster DSM 2000 DB ----- Double-sided single wood sander with additional Transverse brush sanding unit (discs) and Longitudinal brush sanding unit (roller) for sanding Solid wood such as B. window wood etc. Stable top version with long cast tables and Conveyor belt feed. Suitable for high continuous loads even with higher chip removals. 1. Belt sanding unit with CERMET sanding shoe pre-sanding 2. Disc aggregate cross grinding for defibering 3. Rolling aggregate longitudinal grinding for directional finish Direction of growth - Staggered sanding and finishing units at the top and below - directly driven rubberized sanding rollers for slip-proof free power transmission - Combined grinding via roller and shoe for high chip removal with a flat intervention zone at the same time - maintenance and wear-free CERMET-coated grinding wheels shoes with very good thermal conductivity and absolute Dimensional accuracy Fpodpfx Aoyrty Hsfksh - External cooling of the grinding zones for cooler grinding and longer sanding belt service life - force-guided pneumatically controlled sanding belt oscillation - effective sanding dust extraction directly on the Grinding rollers - Airborne dust extraction on the tension rollers - integrated brush grinding device (transverse and Longitudinal) with sanding dust extraction - motorized grinding thickness adjustment via precision threaded spindles and large-sized linear ball screws bearing sets on hardened and ground precision shafts with dust and dirt protection - Adjustment of the chip removal at the bottom via precision Threaded spindle with dimension display via scale ring (Resolution 0.1mm) - Sanding belt tension via pneumatic cylinder constant clamping pressure - Sanding belt change with pneumatic belt relaxation Within seconds - Adjustment option for the sanding belt run Band change - electro-pneumatic compressed air monitoring - Anti-running protection via contact roller if it is too thick workpieces - Workpiece transport via calibrated non-slip and non-stick fixed conveyor belts over heavy, 1000mm long cast iron tables with a finely planed surface and spring-loaded Pressure rollers with fine adjustment - Cardan shaft drive for smooth and consistent Workpiece transport - Feed gear motor infinitely variable for quick adaptation to different types of wood - all motors electrically protected - ergonomically arranged controls on the Workpiece inlet side - digital thickness display (resolution 0.1mm) with modern Magnetic tape system Technical data: - Sanding belt speed 22 m/s - Sanding belt length 1800mm - Sanding belt width 200mm - Working width 190mm - Grinding thickness 2-180mm - two brake motors for 5.5 kW drive - Feed motor 1.0 kW - Feed speed 4-20m/min. - automatic height adjustment 0.37 kW - Brush sanding units Disc D=max. 200mm Roller D=max. 270mm - Suction nozzles 2 x 120mm and 2 x 180mm - Pneumatic connection 6 bar - Working height 870mm External dimensions: - Length 2600mm - Length with wheels 2985mm - Width 880mm - Height 1910mm - Weight approx. 1500 kg - Operating voltage 400 volts, 50 Hz, 3P - CE version ----- Price of the above machine on request! ----- Special accessories with additional charge: Workpiece blow-off - ...

Condition: used, Year of construction: 1997, Used machine Year of manufacture: 1997 1 Belt sanding machine with combination unit with electronic segmented pressure beam for sanding soft and hard veneers Calibrating and fine sanding of solid wood Calibrating workpiece carrier boards Sanding defective veneers and lacquers Intermediate sanding of PU, hydro, UV, nitro, and polyester coatings Sanding barrier films with graphical control terminal NC-controlled thickness adjustment from 3 to 150 mm Fjdpfx Afsyulfmekjph Calibrating roller can be activated via terminal with patented CSD segmented pressure beam for compensation of workpiece tolerances up to 2 mm Sanding width: 1100 mm Abrasive belt length: 2150 mm Abrasive belt speed, frequency-controlled: approx. 2–18 m/sec Sanding unit drive: 15 kW Feed speed: 5/10 m/min Compressed air: 6 bar Compressed air requirement: 15 NL/min Belt blasting: 490 l/min Extraction connection: 180 mm Air requirement for sanding unit: 1800 m³/h Required air velocity: 20 m/sec Total power connection: approx. 17 kW Weight: approx. 2000 kg Dimensions (W x D x H): 1840 x 1670 x 2200 mm Availability: short-term Location: Röllbach

Condition: used, Year of construction: 1998, Technical Data: Grinding Area (incl. grinding wheel width 50 mm): 700 x 320 mm Grinding Height: 400 mm Longitudinal Stroke: 740 mm Cross Stroke: 270 mm Clamping Surface of the Table: 1000 x 250 mm Distance Table to Spindle Center: 650 mm Max. Table Load: 400 kg Infinitely Variable Spindle Drive: 6 kW Max. Grinding Wheel Dimensions: ø300 x 60 x 127 mm Coolant System: 170 l Weight – Total Equipment: 4600 kg Fjdpfx Aoxvy Hgefkjph Features: - Fully electronic multi-axis control system, Brand NE (Manufacturer: Schleier) - Brushless AC servo and spindle drives - Manual feed of CNC axes via movable electronic handwheel, axis selection, rapid traverse +/- as well as digital increment display integrated into handwheel - Free-standing electrical cabinet incl. operating hours counter - Cooling unit - Automatic central lubrication - Enclosed work area - Oil collection pans - CE marking Accessories: - 6x grinding wheel flanges incl. grinding wheels - 3x grinding wheel flanges - 1 extracting device for grinding wheel flange - 1 balancing arbor - 1 set of leveling plates and screws - Extraction unit - Extended vertical column for extraction unit

Condition: excellent (used), possibility of sanding on the shoe or flat surface mechanical oscillation feed speed adjustment via variator electric adjustment of the aggregate up/down sanding belt height 150 mm Fsdpfxoy N Ry Hs Afkjph table angle adjustment possibility of sanding curved elements total motor power 5.7 kW year of manufacture: 1994 power supply 380V