Triad control transformers supply secondary voltages that are commonly utilized in various electronic, electro-magnetic and electrical control conditions. These include such applications as use with relays, solenoids, small motors, speed changers, pumps, heating elements, control valves for fluids and gases, fans and blowers, electronic tubes, automatic assembly equipment, recording devices, elevators, door openers, and low voltage lamps.
Unit of Measure

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Primary Alternating Current (AC) Voltage

N/A 115 V230 V

Primary Frequency

N/A 50 Hz60 Hz

Secondary Voltage in Series (AC)

N/A 24.0 V at 3.0 A

Transformer Contact Type

N/A Center Tap

Secondary Voltage in Parallel (AC)

N/A 12.0 V at 6.0 A

Electrical Rating

N/A 72 V·A

Case Type



N/A Lugs

Height (H)

N/A 3 13/32 in

Width (W)

N/A 3 13/16 in

Depth (D)

N/A 2 13/16 in

Mounting Width

N/A 2 1/4 in

Mounting Depth

N/A 2 1/4 in

Mounting Hole Size

N/A 13/64 x 3/8 in


N/A 4.3 lb

Technical Notes

Technical Notes

  1. Hi-pot tested at 1,500 VRMS.
  2. Secondaries may be connected in series or parallel for expanded voltage and current ranges. See Control Transformer Connections diagram.
  3. Transformer termination is solder lug.



N/A Relays
Small Motors
Speed Changers
Heating Elements
Control Valves for Fluids and Gases
Fans and Blowers
Electronic Tubes
Automatic Assembly Equipment
Recording Devices
Door Openers
Low Voltage Lamps
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