Industrial Automation » Feedback Devices

Search By Manufacturer

Search By Country

122

New & Used switch control unit

  • United Electric Controls,J6D 9548,Pressure Switch

    United Electric Controls,J6D 9548,Pressure Switch

    • Manufacturer: United Electric Controls

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $156 USD
    Galion, OH
  • United Electric Controls,J6-224,0-30 PSI Pressure

    United Electric Controls,J6-224,0-30 PSI Pressure Switch

    • Manufacturer: United Electric Controls

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $300 USD
    Galion, OH
  • UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH NOS

    UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH NOS

    • Manufacturer: UNITED ELECTRIC

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $220 USD
    Galion, OH
  • UNITED ELECTRIC CONTROLS,J6224,PRESSURE SWITCH 0-30

    UNITED ELECTRIC CONTROLS,J6224,PRESSURE SWITCH 0-30 PSI NOS

    • Manufacturer: United Electric Controls

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $300 USD
    Galion, OH
  • Trusted Seller
    United Electric Controls F402-6BS Temperature

    United Electric Controls F402-6BS Temperature Switch

    • Manufacturer: United Electric Controls

    “NEW OPEN BOX WITHOUT ORIGINAL PACKAGING. IN GOOD CONDITION. SEE PICTURES ATTACHED” United Electric Controls F402-6BS Temperature Switch United Electric Controls F402-6BS Temperature Switch The United Electric Co...

    $470 USD
    Fleetwood, PA
  • UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH 15

    UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH 15 AMP 125/250 VAC 225 PSI

    • Manufacturer: Electric

    UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH 15 AMP 125/250 VAC 225 PSI What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown i...

    $225 USD
    Galion, OH
  • United Electric,24-011,Pressure Differential Switch 1-10

    United Electric,24-011,Pressure Differential Switch 1-10 PSID

    • Manufacturer: United Electric Controls

    New unused without original box NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictu...

    $175 USD
    Galion, OH
  • CLEVELAND CONTROLS,AFS-222,AIR PRESSURE SENSING SWITCH

    CLEVELAND CONTROLS,AFS-222,AIR PRESSURE SENSING SWITCH

    • Manufacturer: CLEVELAND CONTROLS

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $10 USD
    Galion, OH
  • Huba Control AG,CH-8116,Adjustable Air Switch

    Huba Control AG,CH-8116,Adjustable Air Switch

    • Manufacturer: Huba Control

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $16 USD
    Galion, OH
  • Trusted Seller
    United Electric Controls 12SHDN4F 12

    United Electric Controls 12SHDN4F 12 Series Pressure Switch

    • Manufacturer: United Electric Controls

    PLEASE REVIEW: We would ask that potential buyers please view the photographs carefully, and understand what you are buying. If you have any questions, please reach out PRIOR to your purchase. We're happy to help...

    $100 USD
    Suwanee, GA
  • UNITED ELECTRIC CONTROLS,H303,PRESSURE CONTROLLER

    UNITED ELECTRIC CONTROLS,H303,PRESSURE CONTROLLER

    • Manufacturer: United Electric Controls

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $90 USD
    Galion, OH
  • Mercoid Control,DA-31-3-4,Pressure Switches

    Mercoid Control,DA-31-3-4,Pressure Switches

    • Manufacturer: Mercoid

    Used and in good conditon. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to mak...

    $60 USD
    Galion, OH
  • UNITED ELECTRIC CONTROLS,J302,PRESSURE CONTROLLER NOS

    UNITED ELECTRIC CONTROLS,J302,PRESSURE CONTROLLER NOS

    • Manufacturer: United Electric Controls

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $75 USD
    Galion, OH
  • United Electric,Type J21K Model 140,Differential

    United Electric,Type J21K Model 140,Differential Pressure Switch 15AMP, 480V

    • Manufacturer: United Electric Controls

    Used and in good condition. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to ma...

    $68 USD
    Galion, OH
  • UNITED ELECTRONIC CONTROLS,25B1F3A, PRESSURE SWITCH

    UNITED ELECTRONIC CONTROLS,25B1F3A, PRESSURE SWITCH 20-200PSI NEW

    • Manufacturer: UNITED ELECTRONIC CONTROLS

    New in original box. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to make sure...

    $40 USD
    Galion, OH
12345

Overview

Feedback devices are sensors and transducers—encoders, resolvers, tachometers and position sensors—used on crawler loaders and heavy equipment to provide real-time data on position, speed and direction. They enable precise control of hydraulics, drive systems and automation, and support diagnostics and safety functions. Buyers choose based on resolution, environmental rating (IP), electrical interface (analog, digital, CAN), mounting, shaft size and compatibility with the machine’s controller.

FAQ

How do I ensure a feedback device is compatible with my crawler loader?

Match electrical interface (voltage, signal type, CAN), mechanical mounting, shaft diameter, resolution and connector pinout to your controller. Provide the OEM part number or controller specs to the seller and ask for a datasheet.

What should I check when buying a used feedback device?

Inspect for shaft play, corrosion, water ingress, damaged connectors and seals. Request recent test reports, output waveform checks and serial numbers. Verify calibration history and spare-part availability.

How should feedback devices be shipped to avoid damage?

Pack with shaft caps, anti-static wrap, desiccant and vibration-damping material inside a sturdy crate. Label fragile, insure the shipment and include a parts list and datasheet for customs if shipping internationally.

What maintenance and calibration do feedback devices need?

Routine checks include visual inspection, connector cleaning, seal integrity and output testing. Calibrate after repairs, impacts or annually depending on usage. Replace bearings, seals or the unit if accuracy degrades.