All categories
Featured selections
    Trade Assurance
    Buyer Central
    Help Center
      Get the app
      Become a supplier
      AlibabaElectronic Components, Accessories & TelecommunicationsElectronic Accessories & SuppliesSwitchesWholesale polarity switch

      Polarity Switch

      (4900 products available)

      10-60V 20A Adjustable 25KHz PWM DC Motor Speed Controller Regulator Switch with Reverse Polarity Protection

      10-60V 20A Adjustable 25KHz PWM DC Motor Speed Controller Regulator Switch with Reverse Polarity Protection

      Ready to Ship
      $4.70 - $5.00
      Min Order: 5 pieces
      Shipping per piece: $3.33
      6 yrsCN
      4.7
      /5
      ·
      38 reviews
      ·
      "excellent service"
      Contact Supplier
      Chat now
      DC DISCONNECT SWITCH 1000V 250A dc switching

      DC DISCONNECT SWITCH 1000V 250A dc switching

      $47.00
      Min Order: 1 piece
      verify11 yrsCN
      4.7
      /5
      ·
      21 reviews
      ·
      "Fast shipping"
      Contact Supplier
      Chat now
      Hot Selling No Polarity Waterproof IP67 1500V 32A Door Interlock Isolator Switch DC Isolator Switch

      Hot Selling No Polarity Waterproof IP67 1500V 32A Door Interlock Isolator Switch DC Isolator Switch

      $8.13 - $13.65
      Min Order: 10 pieces
      2 yrsCN
      0.0
      /5
      ·
      0 reviews
      ·
      Contact Supplier
      Chat now
      MOREDAY Top quality 32A dc isolator switch 3 phase isolation main switch with great price for solar system

      MOREDAY Top quality 32A dc isolator switch 3 phase isolation main switch with great price for solar system

      $10.78 - $11.35
      Min Order: 5 pieces
      verify5 yrsCN
      4.9
      /5
      ·
      30 reviews
      ·
      "good delivery"
      Contact Supplier
      Chat now
      Manufacturer direct photoelectric switch series Standard Hall type proximity switch 3-wire DC10-30V NPN normally open HWH8-8N1

      Manufacturer direct photoelectric switch series Standard Hall type proximity switch 3-wire DC10-30V NPN normally open HWH8-8N1

      $5.80 - $6.30
      Min Order: 60 pieces
      verify8 yrsCN
      4.7
      /5
      ·
      3 reviews
      ·
      "good delivery"
      Contact Supplier
      Chat now
      CJMCU-2662 LM2662 Voltage Converter Module Negative Polarity Inversion Capacitor Switch Max Negative Voltage Converter Module

      CJMCU-2662 LM2662 Voltage Converter Module Negative Polarity Inversion Capacitor Switch Max Negative Voltage Converter Module

      $2.50 - $3.00
      Min Order: 1 unit
      7 yrsCN
      5.0
      /5
      ·
      14 reviews
      ·
      "arrived fast"
      Contact Supplier
      Chat now
      DC 5V 6V 9V 12V 15V 24V Self-locking bistable Reverse Polarity Switch Controller for Motor LED Toy car Quadcopter

      DC 5V 6V 9V 12V 15V 24V Self-locking bistable Reverse Polarity Switch Controller for Motor LED Toy car Quadcopter

      $1.00
      Min Order: 5 pieces
      3 yrsCN
      4.7
      /5
      ·
      17 reviews
      ·
      "accurate delivery"
      Contact Supplier
      Chat now
      TLE4913 ME13S/013 ME4913 Low Power Full Polar Hall Switch Sensor SOT-23

      TLE4913 ME13S/013 ME4913 Low Power Full Polar Hall Switch Sensor SOT-23

      $0.06 - $0.20
      Min Order: 5 pieces
      7 yrsCN
      2.3
      /5
      ·
      1 reviews
      ·
      "Fast shipping"
      Contact Supplier
      Chat now
      Top categories
      PCB & PCBA
      PCB & PCBA
      Circuit Protection
      Circuit Protection
      Connectors, Terminals & Accessories
      Connectors, Terminals & Accessories
      Telecommunications
      Telecommunications
      Development Boards, Electronic Modules and Kits
      Development Boards, Electronic Modules and Kits
      Electronic Accessories & Supplies
      Electronic Accessories & Supplies
      Passive Components
      Passive Components
      Isolators
      Isolators
      Audio Components and Products
      Audio Components and Products
      Sensors
      Sensors
      Displays, Signage and Optoelectronics
      Displays, Signage and Optoelectronics
      RF, Microwave and RFID
      RF, Microwave and RFID
      Discrete Semiconductors
      Discrete Semiconductors
      Wireless & IoT Module and Products
      Wireless & IoT Module and Products
      Power Supplies
      Power Supplies
      Relays
      Relays

      About products and suppliers

      4900 polarity switch products are offered for sale by suppliers on Alibaba.com, of which power driver modules accounts for 2%, relays accounts for 1%, and switches accounts for 1%. A wide variety of polarity switch options are available to you, You can also choose from electronic components, computer polarity switch,
      Related Searches:
      module-rfq-window-icon

      TOP