variable frequency

Browse 217 global buying requests and sourcing opportunities.
  • We have a requirement of Turgo Turbine as well as a Generator for one of our hydro projects. Below are the basic parameters of the project. 1. Capacity : 250 KW  ( One Unit of 250 KW) 2. Gross Head : 103 m 3. Net Head : 95 m 4. Design Discharge for power Generation: 0.31 Cumecs 5. Main Penstock Dia. : 0.65 m 6. Branch Penstock for Turgo Turbine : 0.40 m ( One unit of Francis of 750 KW already in operation) 7. Generation Voltage : 415 V 8.Grid Voltage: 11000 V 9.Generator Type : Synchronous Generator 10. Power Factor : 0.90 Frequency : 50 Hz. We request you to kindly submit your quote for the same. Please let us know if any more data is required.

    India India
    Posted at: 2025-06-23 15:52:58
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  • Interested in purchasing 300 units of tuning forks tuned to the frequency OM of 136.10 Hz, used in sound healing and meditation practices. Require information on unit price, material options, model availability, international shipping costs (Barcelona/Spain), estimated production and delivery time. Considering an initial order with potential to increase quantity later.

    Spain Spain
    Posted at: 2025-06-20 22:38:22
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  • We are looking for tamper - proof UHF RFID tags that work in the 868–900 MHz range. These tags will be placed on metal surfaces like fuel tank caps and will be used in vehicle fuel systems to store and send data such as license plate numbers. Requirements: Frequency: 868–900 MHz (UHF, EPC Class 1 Gen 2 / ISO 18000 - 6C). (Tamper Proof) The tag must stop working or be destroyed if someone tries to remove it. Must work well when mounted on metal surfaces. Must have at least 450 bits of memory that we can read and write. Must be resistant to outdoor conditions (sun, rain, dust). Must handle vibrations and impacts (used on heavy vehicles and machines). Around 30–50 mm in diameter. A low profile is preferred. Can be attached with adhesive, screws, or rivets. It must be firm and permanent. High read sensitivity (better than - 18 dBm). EPC memory of 96 bits or more. Temperature range: - 40°C to +85°C. IP67 or IP68 protection class.

    Turkey Turkey
    Posted at: 2025-06-20 22:10:03
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  • 1. ROUND BUZZER, Model:TBN - 220, 220Vac, Ratings: 220Vac, 3.3W, Material: ABS plastic Mounting: Screw Mounting, Sound Pressure level:90db, Sound Frequency:2.4kHz, China Equivalent: Yes, QTY: 2 2. AXIAL COOLING FAN, BT12038B2H Model:Maxsir 22060B2, Voltage:220V, 50Hz, 20W, 0.12A, 2700rpm, Airflow: 85CFM (ft3/min), Noise level:43db (A), Static Pressure:6 mm H2O, Body material: Aluminum, impeller Material: Plastic/Metal Color: Black, Impedance protected Size: 4 inches (120x120x39mm), Mounting: Fixed with 04 screws on each corner, China Equivalent: Yes, QTY: 15 3. ANALOG WATTMETER 6L2, Model:6L2, Size:48x48mm (1/16DIN), Depth:55mm, Material: Plastic (Black outer surface) Mounting:48*48mm compatible with std. installation material, QTY: to be determined

    Pakistan Pakistan
    Posted at: 2025-06-18 18:20:05
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  • Ask about the following in detail: Hearing aids and loops, Cochlear implants, Coupling accessories, Frequency modulation (FM) systems, Headphones for listening to audiovisual content, Closed captioning, Visual alert systems, Real - time transcription, Teletype phones (TTYs), Telecommunications devices for the deaf (TDDs)

    United States United States
    Posted at: 2025-06-18 04:50:02
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  • We want High Frequency Solid state Welder 150kw to 300kw. 

    India India
    Posted at: 2025-06-14 02:00:06
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  • Inquiry About Frequency-Conversion Type Balanced Elliptical Shale Shaker

    India India
    Posted at: 2025-06-12 20:47:10
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  • I need four units of "High Power BC1 Variable Resistor Disc Sliding Rheostat Adjustable Resistor" with a power rating of 2000 W, for a total power of 8 kW (the four rheostats will be connected in parallel). If available, please provide the maximum current supported at a voltage of 230 V, the unit price including tax (for one 2 kW rheostat), the total price including tax for all four units (8 kW), and a detailed quotation including all costs: product total with tax + shipping to Morocco + customs fees. I would like to place the order as soon as possible.

    Morocco Morocco
    Posted at: 2025-06-12 20:40:03
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  • BEEQOO/BQ - GK515 - 400W. LAMP: ASSEMBLY; 400W; AC160 - 380V; 50 - 60HZ. TYPE: HIGHT BAY LIGHT; LAMP BODY MATERIAL: ALUMINUM; LAMP POWER: 400W; INPUT VOLTAGE: AC160 - 380V; FREQUENCY RATING: 50 - 60HZ; LED QUANTITY: 1EA

    India India
    Posted at: 2025-06-06 20:00:02
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  • Seeking a 125kHz RFID antenna coil with inductance of 490?μH, outer diameter of 3.5cm - 4cm, 0.1 - 0.2mm enamel - coated copper wire, and operation frequency of 125kHz. Ask about if can manufacture this coil or provide an alternative, and need quotation for 1000 Pcs annually, lead time for production, pricing per piece for 1000 Pcs, shipping options to Greece, and samples for testing

    Norway Norway
    Posted at: 2025-06-06 19:43:57
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  • Looking for CEILING LIGHT 65 W Item No: SR - 3660 Power: 60 W Color: White Input: AC220 - 240 V Frequency: 50/60 Hz

    India India
    Posted at: 2025-06-02 00:50:03
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  • We are interested in the 130W Rotary Tool 6 Variable Speed LED Screen Display. Not interested in the Set or Kit, but only the Rotary Tool. I have seen your product as OEM for other companies in different colors, and it is very nice. Questions: What is your minimum quantity you are will to accept for only the Rotary Tool? We would like the total minimum quantity be a combined voltage of 120V and 220V units. Is this acceptable? What is your price for only the Rotary Tool? Is there any additional costs in changing the button color? Example Orange to Dark Grey? Attached is the image of Hardell unit. We would want this exact look, except the Dark Grey Color of the housing ?Light Grey Color. What is your production timetable? What is your shipping timetable? Can you provide certification documentation? Can you provide 1 unit for testing

    United States United States
    Posted at: 2025-05-30 21:42:40
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  • Price for high frequency heating welding machine for metal welding?

    Greece Greece
    Posted at: 2025-05-30 14:10:08
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  • Inquiry About QGL(HGL) Series Load Isolation Switch. 160A, 250A, 400A & 630A 3P, FREQUENCY 60Hz - Ue = 660/690Vac

    Brazil Brazil
    Posted at: 2025-05-30 04:09:16
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  • We are interested in the frequency converter: - Input voltage 6 or 10 kV - Output voltage 6 or 10 kV - Inverter capacity from 6 MVA (6000 kVA). Can you send me a quote?

    Sweden Sweden
    Posted at: 2025-05-29 15:50:16
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  • Seeking a customizable panini press with standard square grill plates, engraved logo on the machine (printed logo if available). Order quantities: 1 unit for initial testing, 10 units for launch phase, 50 units for subsequent expansion. For high - frequency operation in food kiosks and delivery to Spain. Request a detailed quotation including unit pricing based on quantity, available customization options, production and shipping timelines, payment terms.

    Denmark Denmark
    Posted at: 2025-05-29 04:20:02
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  • We are interested in the frequency converter: - Input voltage 6 or 10 kV - Output voltage 6 or 10 kV - Inverter capacity from 6 MVA (6000 kVA). Can you send me a quote?

    Sweden Sweden
    Posted at: 2025-05-28 23:30:04
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  • Ask about FP65U pneumatic vibrator: 1) Can adjust frequency and amplitud separately and how? 2) Does the vibrator need lubrication and how many drops per minute? 3) Does the system need pressure regulator and a needle valve or only one of both?

    Argentina Argentina
    Posted at: 2025-05-22 22:10:02
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  • ALUMINIUM DOSING PUMP. Motor driven with the following specifications. Key Specifications: 1. Nominal Flow Rate: 4000l/h per head; 2. Number of Dosing Heads: 2; 3. Approvals: CE, EAC, CNROHSEX; 4. Non - Return Valves: Standard type for both inlet and outlet. Materials and Installation: 1. Materials: Suitable for handling aluminium sulphate solution; 2. Max Operating Pressure: 10 bar (at 50 Hz); 3. Max Permissible Inlet Pressure: 0.8 bar. Liquid and Electrical Details: 1. Pumped Liquid: Aluminium sulphate solution; 2. Temperature: 20?°C; 3. Density: 998.2 kg/m?3; 4. Mains Frequency: 50 Hz; 5. Rated Voltage: 3x230/400V; 6. Enclosure Class: IP55; 7. Viscosity: 50mPas. Controls: 1. Control Panel

    Zambia Zambia
    Posted at: 2025-05-15 22:50:03
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  • Inquiry about Hermetic Latching Relays

    1) MAGNETISM KEEP AND HERMETICAL RELAY 2) COIL VOLTAGE: 28VDC 3) COIL RESISTANCE: 135R 4) OPERATING VOLTAGE: 18V 5) OPERATING TEMPERATURE:RANGE: -55C TO 85C 6) MANUFACTURER: ANNOVAY 7) MANUFACTURER PART#2JB25-1-28B 8) OR EQUIVALENT. Size: STANDARD? 1) MINIATURE HERMETICALLY SEALED MAGNETIC LATCHING RELAY 2) RATED CURRENT: 75A 3) RATED COIL VOLTAGE: 28VDC 4) CONTACT ARRANGEMENT: 1C 1C 5) FREQUENCY: 10-2000 HZ 6) ELECTRICAL LIFE: 2X10^4 OPERATIONS 7) WEIGHT:


    United States United States
    Posted at: 2025-05-13 17:13:29
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  • Inquiry about frequency converter 

    Saudi Arabia Saudi Arabia
    Posted at: 2025-05-11 19:10:04
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  • Inquiry about ERW High Frequency Longitudinal Welded Steel Pipe

    Honduras Honduras
    Posted at: 2025-05-08 02:20:03
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  • Inquiry about Frequency Longitudinal Welded Steel Pipe

    Honduras Honduras
    Posted at: 2025-05-07 00:10:03
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  • Inquiry about medium voltage variable frequency drive

    Pakistan Pakistan
    Posted at: 2025-04-30 17:00:03
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