Transformers

This section contains several different types of transformers. The 24V control circuit step-down transformers are designed to power any 24V control system, including thermostats, gas valves and relays. Honeywell and White Rodgers Transfomers are made for heating systems. These Transformers are the industry standard.

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  • Solenoid w/ Continuous Duty, 24 VDC Isolated Coil, Normally Open, Contact Rating 100 Amps View Specs

    Type 124 Solenoid
    24 VDC Isolated Coil, SPDT

    • SKU: 124-314111
    • Brand: White Rodgers
    Usually Ships 7-10 Days

    $57.45 / each

     
  • Solenoid, SPDT (36 VDC Isolated Coil), Continuous Duty, Contact Rating 100 Amps, Inrush 400 Amps View Specs

    Type 124 Solenoid
    36 VDC Isolated Coil, SPDT

    • SKU: 124-317111
    • Brand: White Rodgers
    In Stock!
    4 Avail (Ships in 24-48 Hrs)

    $57.25 / each

     
  • Electric Heat Relay (240VAC) View Specs

    Electric Heat Relay
    (240 VAC)

    • SKU: 24A01G-3
    • Brand: White Rodgers
    In Stock!
    33 Avail (Ships in 24-48 Hrs)

    $61.35 / each

     
  • Electric Heat Relay (120VAC) View Specs

    Electric Heat Relay
    (120 VAC)

    • SKU: 24A05A-1
    • Brand: White Rodgers
    In Stock!
    16 Avail (Ships in 24-48 Hrs)

    $63.95 / each

     
  • Electric Heat Relay (208 VAC) View Specs

    Electric Heat Relay
    (208 VAC)

    • SKU: 24A05E-1
    • Brand: White Rodgers
    In Stock!
    7 Avail (Ships in 24-48 Hrs)

    $62.95 / each

     
  • Electric Heat Relay (277VAC) View Specs

    Electric Heat Relay
    (277 VAC)

    • SKU: 24A05Z-1
    • Brand: White Rodgers
    In Stock!
    7 Avail (Ships in 24-48 Hrs)

    $61.95 / each

     
  • Solenoid, SPNO, 12 VDC Isolated Coil, Normally Open Continuous Contact Rating 200 Amps, Inrush 600 Amps View Specs

    Type 586 Solenoid, 12 VDC Coil, SPNO,Normally Open Continuous Contact

    • SKU: 586-105111
    • Brand: White Rodgers
    In Stock!
    6 Avail (Ships in 24-48 Hrs)

    $58.95 / each

     
  • Solenoid, SPNO, 15 VDC Isolated Coil, Normally Open Continuous Contact Rating 200 Amps, Inrush 600 Amps View Specs

    Type 586 Solenoid, 15 VDC Coil, SPNO,Normally Open Continuous Contact

    • SKU: 586-108111
    • Brand: White Rodgers
    Usually Ships 7-10 Days

    $61.55 / each

     
  • Solenoid, SPNO, 24 VDC Isolated Coil, Normally Open Continuous Contact Rating 200 Amps, Inrush 600 Amps View Specs

    Type 586 Solenoid, 24 VDC Coil, SPNO,Normally Open Continuous Contact

    • SKU: 586-114111
    • Brand: White Rodgers
    In Stock!
    13 Avail (Ships in 24-48 Hrs)

    $56.25 / each

     
  • Solenoid, SPNO, 36 VDC Isolated Coil, Normally Open Continuous Contact Rating 200 Amps, Inrush 600 Amps View Specs

    Type 586 Solenoid, 36 VDC Coil, SPNO,Normally Open Continuous Contact

    • SKU: 586-117111
    • Brand: White Rodgers
    In Stock!
    3 Avail (Ships in 24-48 Hrs)

    $58.95 / each

     
  • Solenoid, SPNO, 48 VDC Isolated Coil, Normally Open Continuous Contact Rating 200 Amps, Inrush 600 Amps View Specs

    Type 586 Solenoid, 48 VDC Coil, SPNO,Normally Open Continuous Contact

    • SKU: 586-120111
    • Brand: White Rodgers
    In Stock!
    23 Avail (Ships in 24-48 Hrs)

    $58.95 / each

     
  • 3 Pole Contactors High Amp, 24V Coil, 50 Amp FLA, 65 Amp Resistive View Specs

    3 Pole Contactors High Amp, 24V Coil, 50 Amp FLA
    65 Amp Resistive

    • SKU: 92-459
    • Brand: White Rodgers
    In Stock!
    1 Avail (Ships in 24-48 Hrs)

    $60.65 / each

     
  • 3 Pole Contactors High Amp, 120V Coil, 50 Amp FLA, 65 Amp Resistive View Specs

    3 Pole Contactors
    120 VAC Coil, 50 Amp

    • SKU: 92-460
    • Brand: White Rodgers
    Usually Ships 7-10 Days

    $57.85 / each

     
  • 3 Pole Contactors High Amp, 24V Coil, 60 Amp FLA, 75 Amp Resistive View Specs

    3 Pole Contactors High Amp, 24V Coil, 60 Amp FLA
    75 Amp Resistive

    • SKU: 92-463
    • Brand: White Rodgers
    Usually Ships 7-10 Days

    $64.55 / each

     
  • 3 Pole Contactors High Amp, 208/240V Coil, 60 Amp FLA, 90A, 75A Resistive View Specs

    3 Pole Contactor
    208/240 VAC Coil, 60 Amp

    • SKU: 92-465
    • Brand: White Rodgers
    Usually Ships 7-10 Days

    $64.55 / each

     
  • Foot mounted 120 Vac Transformer w/ 12" lead wires and internally fused secondary for overload protection View Specs

    120 VAC (Primary)
    26.5V (Secondary)
    75 VA Transformer

    • SKU: AT88A1005
    • Brand: Honeywell
    In Stock!
    24 Avail (Ships in 24-48 Hrs)

    $62.35 / each

     
  • Foot mounted 208/240 Vac Transformer w/ 12" lead wires and internally fused secondary for overload protection View Specs

    208/240V (Primary)
    26.5V (Secondary)
    75 VA Transformer

    • SKU: AT88A1021
    • Brand: Honeywell
    In Stock!
    14 Avail (Ships in 24-48 Hrs)

    $50.65 / each

     
  • Foot mounted 480 Vac Transformer w/ 12" lead wires and internally fused secondary for overload protection View Specs

    480 VAC (Primary)
    26.5V (Secondary)
    75 VA Transformer

    • SKU: AT88A1047
    • Brand: Honeywell
    In Stock!
    2 Avail (Ships in 24-48 Hrs)

    $60.25 / each

     
  • 24v Electric Heater Relay w/ DPST Switching, w/ extra mounting hardware View Specs

    24V Electric Heater Relay w/ DPST Switch

    • SKU: R8229A1021
    • Brand: Honeywell
    In Stock!
    4 Avail (Ships in 24-48 Hrs)

    $53.95 / each

     
  • 2 Pole Electric Heat Relay View Specs

    2 Pole Electric Heat Relay

    • SKU: R8246A1038
    • Brand: Honeywell
    In Stock!
    11 Avail (Ships in 24-48 Hrs)

    $67.75 / each

     

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More About Transformers

Transformers provide power to electric circuits in heating, cooling and HVAC systems. They can be used in any application that does not exceed the transformer's load ratings. Common applications include thermostats, gas valves, and relays. When selecting the appropriate transformer, primary voltage is the most important consideration. Transformers are available in primary voltages ranging from 24V to 480V. Honeywell and White Rodgers transformers are the industry standard.

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