HT-20 Single-turn Resolver Transducer

HT-20 Single-turn Resolver Transducer
  • Available IP67 rated for superior durability - maintenance free
  • Best angular accuracy and repeatability
  • Aluminum or stainless steel housing
  • Ideal for high-shock applications
  • 100% compatible with AMCI's complete line of resolver interface products
  • Description

    HT-20 Resolver Transducer

    This industry-standard single-turn resolver transducer has often been imitated yet never duplicated. Standard features include: 5/8" keyed shaft, 1/4" X 20 mounting holes, double-row bearings, sealed housings, mil-spec connector, and an anodized aluminum or stainless housing. This ultra-reliable resolver transducer is used as standard equipment by many OEM's.

    Standard electrical specifications are the same as the R11X-J10/7 resolver. For all HT-20 versions except HT-20C, other electrical specifications are available.

    AMCI offers a complete line of resolver interface solutions, enabling you to easily configure a resolver-based position feedback system in your favorite PLC, PAC, or network.

    Available Versions

    HT-20: 5/8" key-way shaft industrial resolver
    Price | $850/ea

    HT-20S: HT-20 with side connector
    Price | $1,030/ea

    HT-20K: HT-20, NEMA 4X rated (stainless steel shaft, Viton seal)
    Price | $940/ea

    HT-20L: HT-20, NEMA 4X rated (stainless steel shaft, Nitrile seal)
    Price | $940/ea

    HT-20C-303 & HT-20C-304: 5/8" shaft, face/foot mount, conduit entry, NEMA 4X
    Price | $1,635 - $1,800/ea

    Note: Pricing is US Domestic only



    Consult the factory for availability

    Contact Sales

    Heavy-Duty Reliability

    The resolver transducer was originally developed to withstand the punishment of military applications, and has since benefited from more than 50 years of continuous use and development. Product packaging plants and stamping press lines are perfect examples of where you might find resolver based systems at work today.

    Builders and system integrators alike agree that the resolver transducer is unsurpassed in its ability to reliably supply rotary position data in the harshest industrial environments.

    The AMCI resolver product line is offered in aluminum or stainless steel construction, and boasts up to an IP67 rating. Solid shaft and hub shaft versions are available, and both types incorporate an oversized double row bearing that supports shaft loads up to 100 lbs. radial / 50 lbs. axial.

    Inside the Resolver Transducer



    Mechanical Specifications

    HT-20 Resolver Transducer
    Shaft loading: 100 lbs. radial/50 lbs. axial maximum shaft loading. Bearing life rated at 2X10^9 revolutions minimum at maximum shaft load.
    Starting torque:8.0 oz. in max @25° C
    Moment of inertia:6.25 X 10ˆ-4 oz-in-secˆ2
    Weight: 4 lbs.
    note: except HT-20C @ 7 lbs.

    Mating Connector: (sold seperately)

    AMCI Part NumberMilitary Equivalent
    90 DegreeMS-18MS3108A16S-1S

    Connector Pinout: (Military Equivalent Part #:MS3102E16S-1P)

    DNo connection
    Note: Connectors are sold separately or as part of a pre-assembled cable.
    Note: The HT-20C uses a conduit connection
    Note: AMCI recommends using a pipe thread sealant instead of Teflon tape when sealing all conduit connections. The best sealant to use is application dependent and it is the responsibility of the user to choose the correct sealant for the application.


    HT-20 Resolver Transducer
    Input Frequency:5000 Hz
    Rotor Input Voltage:7.0 V rms
    Stator Output Voltage:6.65 V rms
    Transformation Ratio:0.95 ± 5%
    Input Current:17 mArms max.
    note: except HT-20C @ 30 mArms max.
    Phase Shift:10° max.
    note: except HT-20C @ 9° max.
    Accuracy:max. error ±7 minutes


    HT-20 Resolver Transducer
    Operating temperature:-40° C to 125° C (-40° F to 257° F)
    Note: HT-20K & HT-20L rated -30° C to 125° C (-22° F to 257°F)
    Shock:50 G's for 11 mSec
    Vibration:15 g's to 2,000 Hz
    Enclosure:refer to mechanical drawings
    (IP67 rating available on HT-20K, HT-20L, and HT-20C)



    Resolver transducers product family overview

    AMCI’s wide selection of resolver transducers, resolver interfaces for PLC based systems, and related accessories provide a complete, quality solution supported by over 25 years of product design, manufacturing, and application experience. Watch the video to learn more about these maximum duty rotary sensors!

    Duration 01:20


    Resolver Interfaces

    Resolver Interfaces Learn More


    Cables Learn More

    TMB-1 Bracket

    TMB-1 Bracket Learn More

    AMCI makes buying PLC-based automation easy...our sales group will help you:

    • Select the right product for your application
    • Pay by credit card using your Visa, Mastercard, Discover, or American Express
    • Coordinate alternative payment methods (P.O., wire transfers, etc.)
    • Locate a distributor convenient to your region of the country

    credit cards accepted lineup.png
    Contact AMCI Sales today:



    Ordering Information

    AMCI's sales team takes the hassle out of placing your order. We'll advise on product selection, alternatives, lead times, and present you with point of purchase options. Call (860) 585-1254 or email AMCI sales today! 

    Down Arrow


    Resolvers Brochure

    Image Text

    AMCI’s wide selection of resolvers, resolver interfaces, and related accessories provide a comp...

    PDF Download

    What's a Resolver?

    Image Text

    When discussing resolvers, people often interchange terms such as: encoders, rotary position se...

    Read the Tutorial


    Visit our Youtube!

    Matt Tellier presents this 15 minute tutorial on the role that IP Ratings play in specifying au...

    Watch Now