Toroidal Transformers

The efficiency and compact size of a toroidal transformer provide solutions when regular EI lamination transformers fall short. Zettler’s toroidal production capability allows a wide range of power size and input / output voltage options, all customizable to an application’s requirements.

Benefits
  • Low Magnetic Noise
  • High Efficiency
  • Excellent Load Regulation
  • Easy Assembly
  • Very Low No-load Losses and magnetizing Current
  • Features
  • 100V / 110V / 117V / 120V / 220V / 230V / 240V, 50HZ / 60HZ
  • Dielectric strength 3KV,1min.
  • Power range 20VA to 5000VA Available according to customer’s requirement
  • Class B insulation System
  • optional single or Dual Primary
  • construction

    Outline Dimensions

    dimensions

    Schematic

    schematic

    Production Capabilities

    Please use this Custom transformer request page for custom design requests – please specify input, output and power requirements.

    Item
    Power
    AC Output
    Dimension
    Weight
    Voltage range
    Current range
    OD
    H
    VA
    V
    A
    In
    mm
    In
    mm
    Ibs
    Kg
    1
    20
    12 ~ 24
    0.84~1.67
    2.5
    63
    1.3
    33
    0.73
    0.33
    2
    25
    12 ~ 24
    1.04~2.08
    2.6
    65
    1.4
    35
    0.84
    0.38
    3
    30
    12 ~ 24
    1.25~2.50
    2.8
    70
    1.6
    40
    0.99
    0.45
    4
    35
    12 ~ 24
    1.46~2.92
    2.8
    72
    1.6
    40
    1.08
    0.49
    5
    40
    12 ~ 24
    0.84~1.67
    3
    75
    1.6
    40
    1.17
    0.53
    6
    45
    12 ~ 24
    1.67~3.75
    3
    75
    1.6
    40
    1.26
    0.57
    7
    50
    12 ~ 36
    1.67~3.75
    3.1
    80
    1.6
    40
    1.5
    0.68
    8
    60
    12 ~ 36
    1.67~5.00
    3.3
    83
    1.7
    43
    1.61
    0.73
    9
    70
    12 ~ 36
    1.95~5.84
    3.3
    85
    1.7
    43
    1.83
    0.83
    10
    80
    12 ~ 36
    2.22~6.67
    3.5
    90
    1.7
    43
    2.16
    0.98
    11
    90
    12 ~ 36
    2.50~7.50
    3.7
    95
    1.7
    43
    2.31
    1.05
    12
    100
    12 ~ 36
    2.78~8.34
    3.9
    100
    1.7
    43
    2.65
    1.2
    13
    150
    12 ~ 24*2
    3.13~6.25
    4.1
    105
    1.9
    48
    3.31
    1.5
    14
    200
    12 ~ 24*2
    4.17~8.33
    4.3
    110
    2
    50
    3.97
    1.8
    15
    250
    12 ~ 24*2
    5.21~10.42
    4.7
    120
    2.1
    53
    4.85
    2.2
    16
    300
    12 ~ 24*2
    6.25~12.50
    4.7
    120
    2.2
    55
    5.29
    2.4
    17
    350
    12 ~ 24*2
    7.29~14.58
    4.8
    123
    2.3
    58
    5.84
    2.65
    18
    400
    12 ~ 24*2
    8.33~16.67
    4.9
    125
    2.4
    60
    6.39
    2.9
    19
    450
    24 ~ 48*2
    4.69~9.38
    5
    128
    2.5
    63
    6.61
    3
    20
    500
    24 ~ 48*2
    5.21~10.42
    5.1
    130
    2.6
    65
    7.05
    3.2
    21
    600
    24 ~ 48*2
    6.25~12.50
    5.2
    132
    2.6
    65
    8.42
    3.82
    22
    700
    24 ~ 48*2
    7.29~14.58
    5.7
    145
    2.6
    65
    9.48
    4.3
    23
    800
    24 ~ 48*2
    8.33~16.67
    5.7
    145
    2.8
    70
    10.05
    4.56
    24
    900
    24 ~ 48*2
    9.38~18.75
    5.9
    150
    2.9
    73
    10.87
    4.93
    25
    1000
    18 ~ 36*2
    6.95~13.89
    6.3
    160
    3
    75
    12.13
    5.5
    30 ~ 60*2
    4.17~8.33
    26
    1500
    18 ~ 36*2
    10.42~20.83
    6.7
    170
    3.1
    80
    15.54
    7.05
    30 ~ 60*2
    6.25~12.50
    27
    2000
    18 ~ 36*2
    13.89~27.78
    7.1
    180
    3.3
    85
    19.18
    8.7
    30 ~ 60*2
    8.33~16.67
    28
    3000
    12 ~ 24*2
    10.42~20.83
    7.7
    195
    3.5
    90
    25.57
    11.6
    24 ~ 48*2
    10.42~20.83
    40 ~ 80*2
    9.38~18.75
    29
    4000
    12 ~ 24*2
    10.42~20.83
    8.1
    205
    3.7
    95
    31.53
    14.3
    24 ~ 48*2
    15.63~31.25
    40 ~ 80*2
    12.50~25.00
    30
    5000
    12 ~ 24*2
    10.42~20.83
    8.5
    215
    3.9
    100
    37.04
    16.8