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Used Switches in China

  • Trusted Seller
    80-224900-90 | AMETEK Circuit Board

    80-224900-90 | AMETEK Circuit Board

    • Manufacturer: AMETEK Powervar

    AMETEK 80-224900-90 Circuit Board AMETEK 80-224900-90 Circuit Board Digital timing circuitry allows for stable timing from -40°C to 65°C temperature range X Simple 4 wire installation X Replaces electromechanical...

    Fujian, China
  • Trusted Seller
    3RF2330-1AA04 | SIEMENS Solid-state contactor

    3RF2330-1AA04 | SIEMENS Solid-state contactor

    • Manufacturer: Siemens
    • Model: 3RF

    SIEMENS 3RF2330-1AA04 Solid-state contactor SIEMENS 3RF2330-1AA04 Solid-state contactor 1-phase 3RF2 AC 51 / 30 A / 40 °C 48-460 V / 24 V DC screw terminal Solid-state contactor 1-phase 3RF2 AC 51 / 30 A / 40 °C ...

    Fujian, China
  • Trusted Seller
    A50-30-11 | 1SBL351001R8011 ABB DC

    A50-30-11 | 1SBL351001R8011 ABB DC Contactor

    • Manufacturer: ABB
    • Model: A50-30

    ABB 1SBL351001R8011 A50-30-11 DC Contactor ABB 1SBL351001R8011 A50-30-11 A50 contactors are mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC / 1000 V AC or 22...

    Fujian, China
  • Trusted Seller
    ABB 3BHB006338R0001 UNS0881A-P,V1 Control Board

    ABB 3BHB006338R0001 UNS0881A-P,V1 Control Board

    • Manufacturer: ABB
    • Model: 3BHB

    Control Board ABB 3BHB006338R0001 UNS0881A-P,V1 Control Board 100% working before shipping IN STOCK READY TO SHIP Get in touch today for a quick price. All parts come with a 12 months warranty Item NO.: Order(MOQ...

    Fujian, China
  • Trusted Seller
    3TF6844-0CM7 | SIEMENS Vacuum contactor

    3TF6844-0CM7 | SIEMENS Vacuum contactor

    • Manufacturer: Siemens

    SIEMENS 3TF6844-0CM7 Vacuum contactor SIEMENS 3TF6844-0CM7 Vacuum contactor Contactor, Size 14, 3-pole, AC-3, 335kW, 400/380 V (690 V) Auxiliary switch 44 (4NO+4NC) AC operation 200...240 V AC 50/60 Hz

    Fujian, China
  • Trusted Seller
    3BHB007209R0105 | ABB Circuit board

    3BHB007209R0105 | ABB Circuit board

    • Manufacturer: ABB
    • Model: 3BHB

    ABB 3BHB007209R0105 Circuit board ABB 3BHB007209R0105 Circuit board Product Packing · Original package or international import package. Shipping and delivery · Items will be shipped within 2 business days from pa...

    Fujian, China
  • Trusted Seller
    3BHB006338R0101 UNS0881a-P | ABB Gate

    3BHB006338R0101 UNS0881a-P | ABB Gate Driver Board

    • Manufacturer: ABB
    • Model: 3BHB

    ABB 3BHB006338R0101 UNS0881a-P Gate Driver Board ABB 3BHB006338R0101 UNS0881a-P Gate Driver Board Descripción corta:UNS 0881a-P,V1 GDI PCB completed *PB 3BHB006338R0001 Información General Código de producto:3BHB...

    Fujian, China
  • Trusted Seller
    ABB 3BHB004661R0101 KUC711AE Gate Unit

    ABB 3BHB004661R0101 KUC711AE Gate Unit Power Supply

    • Manufacturer: ABB
    • Model: 3BHB

    Gate Unit Power Supply ABB 3BHB004661R0101 KUC711AE Gate Unit Power Supply IN STOCK READY TO SHIP 3BHB004661R0101 ASEA BROWN BOVERI GATE UNIT POWER SUPPLY 4AMP General Information BRAND/ MANUFACTURER: ABB MANUFAC...

    Fujian, China
  • Trusted Seller
    A30-30-10 | ABB Contactor

    A30-30-10 | ABB Contactor

    • Manufacturer: ABB

    ABB A30-30-10 220-230V 50Hz / 230-240V 60Hz Contactor 220-230V 50Hz / 230-240V 60Hz Contactor A30 contactors are mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V...

    Fujian, China
  • Trusted Seller
    3BHB003041R0101 | UFC719AE101 ABB IOEC

    3BHB003041R0101 | UFC719AE101 ABB IOEC I/O Interface

    • Manufacturer: ABB
    • Model: 3BHB

    ABB UFC719AE101 3BHB003041R0101 IOEC I/O Interface ABB UFC719AE101 3BHB003041R0101 The ABB Tmax line of circuit breakers, with a range up to 3000A, has several key features that go along with its very small size:...

    Fujian, China
  • Trusted Seller
    A5E39021143 | SIEMENS GEN5 VFD

    A5E39021143 | SIEMENS GEN5 VFD Power Cell

    • Manufacturer: Siemens
    • Model: A5E

    SIEMENS Robicon A5E39021143 Power Cell Manufacturer:Siemens Model Number:A5E39021143 Series:Robicon Perfect Harmony (GEN4 or GEN5, depending on variant) Type:Power Cell for MV VFDs Input Voltage (per cell):690V A...

    Fujian, China
  • Trusted Seller
    A5E42740240 | SIEMENS Perfect Harmony

    A5E42740240 | SIEMENS Perfect Harmony GH180 Power Cell

    • Manufacturer: Siemens
    • Model: A5E

    SIEMENS Robicon A5E42740240 Perfect Harmony GH180 Power Cell Manufacturer:Siemens Model Number:A5E42740240 Series:Perfect Harmony GH180 Type:Medium Voltage Power Cell Application:MV VFD systems Input Voltage:690V...

    Fujian, China
  • Trusted Seller
    A5E42740246 | SIEMENS Power Cell

    A5E42740246 | SIEMENS Power Cell

    • Manufacturer: Siemens
    • Model: A5E

    SIEMENS Robicon A5E42740246 Power Cell Manufacturer:Siemens Model Number:A5E42740246 Series:Perfect Harmony GH180 Type:Medium Voltage Power Cell Application:MV VFD systems Input Voltage:690V AC (per cell) Output ...

    Fujian, China
  • Trusted Seller
    A5E42881257 | SIEMENS Power Cell

    A5E42881257 | SIEMENS Power Cell

    • Manufacturer: Siemens
    • Model: A5E

    SIEMENS Robicon A5E42881257 Power Cell Manufacturer:Siemens Model Number:A5E42881257 Series:Perfect Harmony GH180 Type:Medium Voltage Power Cell Rated Input Voltage:690V AC DC Bus Voltage:800-950V DC Continuous C...

    Fujian, China
  • Trusted Seller
    DNC-T2010-A220 | NCC CONTROL BOARD

    DNC-T2010-A220 | NCC CONTROL BOARD

    • Manufacturer: NCC

    NCC DNC-T2010-A220 CONTROL BOARD NCC DNC-T2010-A220 CONTROL BOARD Allows for stable timingfrom -40F to 150°Ftemperaturerange Digital Timing Circuitry: Allows for stable timingfrom -40F to 150°Ftemperaturerange Pu...

    Fujian, China
34567

Overview

Switches are essential components in electrical and networking systems, used to control the flow of electricity or data between devices. In networking, they connect multiple devices on a local area network (LAN) and manage data traffic to ensure efficient communication. They come in various types, including managed and unmanaged switches, and are crucial for maintaining robust and scalable network infrastructure.

FAQ

What should I consider when buying a used switch?

Check the switch's compatibility with your existing network, its port count, speed, and whether it is managed or unmanaged. Also, inspect the condition and request any available maintenance records.

How do I ensure the switch is shipped safely to my location?

Use proper packaging materials to protect the switch from static and physical damage during transit. Opt for a reputable shipping service that specializes in handling electronic equipment.

What maintenance is required for a switch?

Regular maintenance includes cleaning the switch to prevent dust buildup, checking for firmware updates, monitoring performance, and ensuring proper ventilation to avoid overheating.