Control Transformers

Molded Style, Open Style, General Purpose Enclosed

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control transformers

HPS control transformers are built to keep your systems running safely and efficiently. Designed for industrial panels, motor control, and automation systems, they offer unique features such as a first-of-its-kind single-point ground connection, along with optional finger-safe terminal guards and industry-standard fuse holders for added safety. With one of the industry’s most comprehensive product ranges, HPS delivers stable, isolated power to control circuits, protecting sensitive equipment and keeping your operations reliable in even the toughest environments.

Three Styles to Suit Your Application

HPS offers three control transformer styles to meet the unique needs of different environments and installation types:

molded style control transformer

Molded Style

Durable and built for high inrush applications, encapsulated coils protect from moisture and airborne contaminants.

open style control transformer

Open Style

Compact and versatile, perfect for panel builders, OEMs, or tight enclosures.

enclosed style control transformer

Enclosed Style

Ready-to install in a metal enclosure for light-duty industrial and commercial applications.

Feature/Application Molded Style Open Style Enclosed
Industrial and light duty loads (HVAC, signal & alarm systems, lighting, and circuit isolation) ✓ ✓ ✓
High inrush applications (relays, solenoids, magnetic starters) Best Good Good
Coil protected from debris, dust and damage ✓ ✓
Secondary fusing options ✓ ✓ ✓
Primary fusing options ✓ ✓ ✕
Integrated ground screw ✓ ✓ ✓
Compact design for tight spaces ✕ ✓ ✕

  • HPS COntrol Transformers Part Numbering Structure

    Type Generation Type VA Primary & Secondary Voltages Fuse Block Options*
    C 2 M 0 1 0 0 M Q M J -1 - - -

    Type

    C - Control

    Generation

    2 - Generation 2nd

    Type

    M - Molded Style
    G - Open Style
    E - Enclosed Style

    VA Code

    0050
    0075
    0100
    0150
    0250
    0350
    0500
    0750
    1000
    1500
    2000
    3000
    5000

    VA

    50
    75
    100
    150
    250
    350
    500
    750
    1000
    1500
    2000
    3000
    5000

    Volt. Code

    ACP
    AJ
    AR
    DJ
    KHP
    KHR
    MBMH
    MEI
    MEMX
    MER
    MGJ
    MLI
    MQM
    MQMJ
    NJ
    PP
    PR
    QR
    SP
    SR
    TI
    XI
    XMH
    YJ
    ZJ

    Primary

    600/480
    600
    600
    277/208
    380/347
    380/347
    575/460/230
    415/400/380
    415/400/380
    415/400/380
    380/277/208
    460/230/208
    230 X 460
    240 X 480
    277
    120 X 240
    120 X 240
    240 X 480
    208 X 415
    208 X 415
    347/277/240/208
    575/460/400/230
    575/460/400/230
    800
    690

    Secondary

    120 X 240
    120 X 240
    24
    120 X 240
    120 X 240
    24
    115/95
    120/24
    110 X 220
    24
    120 X 240
    115/24
    115
    120 X 240
    120
    120 X 240
    24
    24
    120 X 240
    24
    120/24
    115/24
    115/95
    120 X 240
    120 X 240

    Max VA



    500VA


    500VA
    3000VA
    500VA

    500VA

    1000VA
    3000VA

    1500VA

    1000VA
    500VA

    500VA
    500VA
    500VA
    3000VA

    G

    ✔
    ✔
    ✔

    ✔
    ✔
    ✔
    ✔

    ✔


    ✔
    ✔
    ✔

    ✔
    ✔
    ✔
    ✔
    ✔

    ✔
    ✔
    ✔

    M


    ✔
    ✔
    ✔


    ✔

    ✔

    ✔
    ✔

    ✔

    ✔
    ✔
    ✔
    ✔


    ✔


    E


    ✔

    ✔

    ✔
    ✔





    ✔
    ✔

    ✔
    ✔
    ✔
    ✔





    Fuse Block

    -1 - Primary CC Fuse Block*

    *This character should be blank if all the following characters are default values or not selected

Molded Style Open Style Enclosed Style
Part Numbering Prefix C2M  C2G C2E
Ratings (VA)  50 - 2000  50 - 5000 50 - 5000 
Frequency (Hz)  50/60 Hz or 60 Hz depending on voltage code
Phase Single Phase
Winding Material Copper
Insulation Class 50-1500VA: 130°C insulation class
Greater than 2000VA: 180°C insulation class
Certifications CSA certification, UL Listing, CE marking, RoHS compliance and NEMA construction standards CSA certification, UL Listing, RoHS compliance and NEMA construction standards
Enclosure Type None Type 1, Grey ANSI-61
Number of Standard Voltage Groups 19 13 10
Other Custom sizes, ratings and styles available upon request
Warranty Lifetime 15 years

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