frecuencia variable

Browse 217 global buying requests and sourcing opportunities.
  • We are seeking smart tint film solutions for interior privacy doors with the following requirements:  
    1. Product Specifications:  
    - PDLC-based self-adhesive smart film  
    - Electrochromic window film with decorative and explosion-proof functions  
    - Compatible plug-in transformers (110V AC)  

    2. Project Details:  
    - Total 30 square meters (3 separate doors at 10m2 each)  
    - Required wattage calculation for continuous privacy operation  

    3. Power Requirements:  
    - Transformer specifications for USA power grid  
    - Clarification on tint intensity adjustment frequency  

    4. Commercial Terms:  
    - Square meter pricing range ($300-$500)  
    - MOQ and bulk order discounts  
    - Delivery timeline to Charlotte, NC 28205  

    Please provide technical specifications sheets and recommended power solutions for 30m2 installation.

    United States United States
    Posted at: 2025-08-22 08:40:03
    J
    ******
  • Request detailed quotation for solar radios meeting below specifications:
    ? Battery: 8-10 hour runtime with 5+ years lifespan
    ? Connectivity: FM/AM multiband + Bluetooth
    ? Features: USB charging & integrated solar panel
    ? Frequency: AM 520-1720MHz / FM 87-108MHz (digital capable)
    ? Antenna: Telescopic type
    ? Sound: 80-100dB speaker output (≤100dB(A) noise standard)
    ? Certification: Provide product certificates
    ? Warranty: 1-year coverage
    ? MOQ/Pricing: State minimum order quantity and unit price
    ? Lead Time: Specify production/delivery schedule

    Mozambique Mozambique
    Posted at: 2025-08-21 20:47:19
    ******
  • We are seeking waveguide circulators with the following specifications:
    - Frequency: 2.45GHz
    - Waveguide Type: WR340
    - Required quantity: Not specified (please provide MOQ)

    Please include in your quotation:
    1. Technical specifications (including power handling capacity)
    2. Available power handling range
    3. Minimum Order Quantity
    4. Unit price
    5. Lead time

    Suppliers with relevant certifications and testing reports are preferred.

    United Kingdom United Kingdom
    Posted at: 2025-08-20 22:05:24
    ******
  • Please quote your best price for the 3 Phase Asynchronous motor with vibration source, Type: YZS - 3 - 2, Vibrating power: 0 - 3kN, Power: 0.25kW, Voltage: 380V, Frequency: 60Hz, Current: 0.6A, Rotational Speed: 3420 rpm, Weather proof protection, QTY: 5 PCS. Please include the Quotation Validity Period, Inclusion of item, Country of Origin, Warranty, Earliest delivery lead time for freight reference, Estimated Weight and Volume of items, Box Dimensions (if palleted please specify). Please always attach datasheets/brochures/catalogs for technical evaluation. 3 Phase Asynchronous motor with vibration source, Type: YZS - 3 - 2, QTY 5, ASAP

    United States United States
    Posted at: 2025-08-15 15:00:03
    M
    ******
  • Received an inquiry from a client for 2 devices of the “In-line Annealing Machine” required for the production line. Technical information: working principle - non - contact induction heating annealing; suitable for square or round conductor; solenoid inner diameters 15mm and 25mm with internal ceramic tubes; maximum annealing temperature 650°C; temperature control modes: automatic with line speed tracking and local manual control; main power supply and operation frequency to be mentioned; cooling water supplied 150 L/min, inlet temperature below 35°C; device should have touchscreen interface; main equipment dimension to be specified; contract and bank guarantee for minimum 12 months required; complete documentation and software backups to be provided; specify the brand and manufacturer of all equipment and send catalogue and technical specification; determine the price of each spare part separately. 

    Iran (Islamic Republic of) Iran (Islamic Republic of)
    Posted at: 2025-08-12 17:01:01
    ******
  • Inquiry About CS8800S High-frequency Infrared Carbon

    Myanmar Myanmar
    Posted at: 2025-08-12 14:48:41
    S
    ******
  • I am looking for a complete ultrasonic system suitable for use in high - temperature molten metal processing (up to around 1200?°C) for degassing and metallurgical improvement. Confirm: 1. Can the system operate near 1200?°C? 2. Maximum temperature resistance of the sonotrode and components? 3. What’s included in the full system? 4. Power output (W)? 5. Working frequency (kHz)? 6. Provide technical documentation or a warranty? Clarification: 1. Molten material reaches 1150–1200°C, system should be above the melt surface or partially immersed with proper thermal resistance and gas protection. 2. System for degassing and refinement of the melt structure. 3. Complete solution includes generator, transducer, booster, high - temperature sonotrode, mounting stand or tripod, HF cable and accessories. Advise: 1. Maximum working temperature the sonotrode can tolerate? 2. Available power options (min 1000W)? 3. Possible to have a system at 30 kHz? 4. Offer water - cooling or thermal insulation options for the convert?

    France France
    Posted at: 2025-08-06 22:50:03
    ******
  • Currently using motor Model: MSE150E122.0047, Rated Power: 200?W, Voltage/Frequency: 3~Y 168?V / 400?Hz, 3~Y 84?V / 200?Hz, Duty type: S1, Insulation class: F, Protection class: IP20, U/f ratio: 0.42. Need complete technical datasheet including nominal speed, rated current, torque characteristics and performance curves. Want to know if it's still in production and available for purchase. If not, need a compatible replacement. Request price and delivery time quote for 22 or 5 pieces.

    France France
    Posted at: 2025-08-01 23:00:08
    ******
  • Ask if there is UPS, HIGH FREQUENCY SWITCHING RECTIFIER, 220Vac, 50A/48V, ZZG31 - 5048 - WG as of now

    Philippines Philippines
    Posted at: 2025-07-31 15:20:10
    A
    ******
  • Looking for a manufacturer of high frequency induction heating machines used in jewelry manufacturing for melting 1 - 10 kgs of gold in graphite crucibles. Request to know if the seller can offer such machines.

    Finland Finland
    Posted at: 2025-07-31 03:30:03
    ******
  • Please offer the best price and delivery time: LAMP:ASSEMBLY;400W;AC160 - 380V;50 - 60HZ LAMP:ASSEMBLY; TYPE:HIGHT BAY LIGHT; LAMP BODY MATERIAL:ALUMINUM; LAMP POWER:400W; INPUT VOLTAGE:AC160 - 380V; FREQUENCY RATING:50 - 60HZ; QTY. 20 UNIT

    India India
    Posted at: 2025-07-30 15:27:32
    ******
  • Please offer the best price and delivery time for BEEQOO/BQ - GK515 - 400W LAMP: ASSEMBLY; 400W; AC160 - 380V; 50 - 60HZ LAMP: ASSEMBLY; TYPE: HIGHT BAY LIGHT; LAMP BODY MATERIAL: ALUMINUM; LAMP POWER: 400W; INPUT VOLTAGE: AC160 - 380V; FREQUENCY RATING: 50 - 60H. QTY. 20 UNIT

    India India
    Posted at: 2025-07-23 15:47:28
    ******
  • Can I have a quotation for FG WILSON Generator as per below information; Quote including sea freight charges to Durban, South Africa. Also send Product Datasheets. Qty x 1, 100 kva FG Wilson Diesel Generator, Rated Power 100kva, 3 Phase Winding, 50Hz Frequency, 1500RPM, 160A, Automatic Transfer Switch, 5000L Fuel tank, Outdoor - Closed set.

    Zimbabwe Zimbabwe
    Posted at: 2025-07-22 21:43:56
    ******
  • Do u deal in Asynchronous Squirrel cage variable speed AC motors? 8 - 10 motors. First let me know if u can fulfil our specifications or not

    Pakistan Pakistan
    Posted at: 2025-07-21 19:00:05
    ******
  • Type: Outdoor epoxy casting current transformer, UV-resistant cycloaliphatic epoxy resin; Rated Insulation Voltage: 40.5kV; Power Frequency withstand voltage: 95kV; Impulse withstand voltage: 185Kv; Current Ratio: 100/1A; Capacity: 15VA; Accuracy: 1/ 5P10; Frequency: 50Hz; Specify Impementation Standards: IEC 60044 - 1; Ask for specify brands, year of manufacture, Tap: Current Ratio (A) and Accuracy Class like 1S1 1S2 100/1, 2S1 2S2 100/1 5P10

    Zimbabwe Zimbabwe
    Posted at: 2025-07-21 15:30:05
    ******
  • We need two options, option 1 is Asynchronous Motors , Option 2 is Permanent Magnet Synchronous motors. 1. ALTERNATOR Model: ECP34 2S4C 50Hz 415V 100KVA. Suggested Motor Specifications: Type: Asynchronous Motors. Rated Power: size to meet the requirement for safe operation of alternators at all loading conditions. Input Voltage: 400 V. Design Base Frequency: 100 Hz. No of poles: 8. Rated Speed: 1500 r/min. Rated Torque: suitable to drive the Alternator at all loading conditions. Insulation Class: H. Protection Class: IP55. Outside temp :50 degree celcuis. Motor Encoder : Yes. Suitable for VFD Control: Yes, vector control with encoder input. 2. ALTERNATOR Model: HCO38 2L26 A 400Hz 180KVA. Suggested Motor Specifications: Type: Asynchronous Motors. Rated Power: size to meet the requirement for safe operation of alternators at all loading conditions. Input Voltage: 400 V. Design Base Frequency: 92.3Hz

    China China
    Posted at: 2025-07-12 14:10:03
    ******
  • Need 1100 UPS interactive, Power: 1000VA/500W out power, Input: 120VAC, Output: 120VAC, Input frequency range: 50 - 60HZ, Battery: 24V 7Ah*2pcs, US standard plug, Output Connection Type: US standard plug Minimum 8 (Minimum 4 regulated NEMA 5 - 15P outlets and Minimum 4 battery - backed NEMA 5 - 15P outlets), Warranty: 3years(except battery), CE ROHS certification

    Ecuador Ecuador
    Posted at: 2025-07-11 23:20:03
    M
    ******
  • I want to buy Bo m?ch t?n s? ?i?u t?c ???c l?p ??t trong t? ?i?u t?c có nh?n th?ng tin nh? hình TYPE: GYWT - 1000 - 16 OPRATING VOLTAGE: DC220 . 24V RATE OIL PRESSURE 16Mpa EX - FACTORY NO 2017 - 7 RATED FREQUENCY 50Hz WORKING  VOLTAGE AC 220 . 380 V PRESSURE TANK VOLUME 0.04m3 EX - FACTORY DATE 2017 3 produce

    Vietnam Vietnam
    Posted at: 2025-07-09 11:10:05
    ******
  • We are currently sourcing a stainless steel stirred batch reactor for a pilot - scale application. Interested in jacketed, stirred batch reactors with requirements: Tank capacity: 100?L, 250?L, 300?L, or 500?L; Pressure rating: Minimum of 50 bar (5 MPa); Temperature rating: Up to 150–200?°C; Material: SS316 or higher; Batch operation; Thermal jacket for heating and cooling; Stirrer motor with variable speed control; Ports for instrumentation. Need quotation for reactors of the above sizes, datasheet or brochure with full technical specifications, maximum pressure and temperature ratings, certifications, estimated build time and shipping lead time to the UK, Nigeria or Indonesia, possibility of factory visit or video demonstration before purchase, warranty period and after - sales service.

    United Kingdom United Kingdom
    Posted at: 2025-07-08 22:00:06
    S
    ******
  • High Frequency Low Price Lab Use Portable Ultrasonic Homogenizer Machine. For University Professor, quantity one unit only. No specific but a smaller size is acceptable, such as 2L or 5L.

    Malaysia Malaysia
    Posted at: 2025-07-07 20:00:11
    ******
  • Looking for a manufacturer to supply or custom - produce an RFID reader device. Frequency: 125 kHz (EM4100 or other compatible tags in pigeon racing). Reading distance: Min 15 cm, ideally 20 - 30 cm. Connectivity: Bluetooth. Power supply: Rechargeable battery or external power. Output: Transmit chip ID to app or Google Sheets. Multiple reads supported. Form factor: Fixed or mobile, preferably compact and weather - resistant.

    Norway Norway
    Posted at: 2025-07-01 03:45:30
    S
    ******
  • I need silicone label vulcanizing machine and tpu high frequency machine

    Pakistan Pakistan
    Posted at: 2025-06-25 23:10:08
    I
    ******
  • Please quote for submersible pump Model: GH - 222, Power: 85W, Voltage/Frequency: 220V - 50/60Hz, Maximum discharge head (Hmax): 3.2m, Maximum flow rate (Qmax): 2200 L/H, Maximum water temperature: 35°C, QTY: 5 PC. It's an urgent requirement, give an offer asap.

    Germany Germany
    Posted at: 2025-06-23 16:39:47
    ******