Transformers

Electrical transformers play a crucial role in modern power systems by transferring electrical energy between circuits through magnetic coupling, all while maintaining the same frequency. These versatile devices are essential for both increasing or decreasing voltage, depending on the specific needs of the electrical network. Whether you’re powering industrial machinery, residential buildings, or commercial facilities, transformers are designed to adapt electrical power from one form to another, ensuring optimal performance and energy efficiency.

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Showing 1–48 of 196 resultsSorted by popularity

40VA Transformer 120V Primary Universal Mount

Resideo

SKU: AT140A1000
$15.82
Honeywell AT140A1000 40VA General-Purpose Transformer, 24VAC Circuits quantity
24V 40VA Transformer – Multi-Tap 120/208/240

iO HVAC Controls

SKU: TR-40-MT
$31.95
TR-40-MT 40VA Multi-Tap Foot-Mounted Transformer quantity
50 VA, Multi mount (plate/panel) 120/208/240 VAC Transformer

Resideo

SKU: AT150F1022
$37.99
Honeywell AT150F1022 50VA Transformer, Plate and Panel Mount quantity
50VA Transformer for HVAC Systems

Functional Devices

SKU: TR50VA008
$41.50
Functional Devices TR50VA008 50VA Transformer For HVAC Systems quantity
Multi-Tap 24VAC, 50VA Transformer

Functional Devices

SKU: TR50VA009
$40.50
Functional Devices TR50VA009 Multi-Tap 24VAC, 50VA Transformer quantity
50VA Class II Transformer, 480/277/240/208/120 to 24VAC

Functional Devices

SKU: TR50VA015

Rated 5.00 out of 5
$36.40
Functional Devices TR50VA015 50VA Class II Transformer quantity
24V 100VA Multi-Tap Transformer

Functional Devices

SKU: TR-100-MT
$50.82
Functional Devices TR-100-MT 24V 100VA Multi-Tap Transformer quantity
120V Primary 24V Secondary 40VA Transformer, Plate Mounted

iO HVAC Controls

SKU: TR-40
$27.69
TR-40 40VA Plate-Mounted Transformer quantity
40VA Universal Transformer, 24VAC Circuits

Resideo

SKU: AT140A1042
$43.48
Honeywell AT140A1042 40VA Universal Transformer, 24VAC Circuits quantity
Foot Mounted 120/208/240 Vac Transformer

Resideo

SKU: AT140A1018
$20.58
Honeywell AT140A1018 40VA General-Purpose Transformer, Foot Mounted quantity
75VA Transformer with Circuit Breaker

Functional Devices

SKU: TR-75

$56.39Add to Cart for Savings

TR-75 75VA Transformer with Circuit Breaker quantity
75 VA Class II Foot Mnt Trans

Packard

SKU: PF52475
$44.54
Packard PF52475 75 VA Class II Foot Mnt Trans quantity
Replacement Low Voltage Humidifier Transformer

Aprilaire

SKU: 4010

Rated 5.00 out of 5
$27.77
MSRP: $31.94
You save 15%
Aprilaire 4010 Humidifier Transformer, Low-Voltage Converter quantity
Multi-Tap Transformer with Circuit Breaker

Functional Devices

SKU: TR50VA004
$38.30
Functional Devices TR50VA004 Multi-Tap Transformer and Circuit Breaker quantity
24V 40VA Transformer Mounted in a 4″ Box

iO HVAC Controls

SKU: TR-40-B

$36.00Add to Cart for Savings

TR-40-B 40VA Transformer Mounted in a 4 x 4 Box quantity
50VA Transformer with Circuit Breaker

Functional Devices

SKU: TR50VA005

Rated 5.00 out of 5
$31.60
Functional Devices TR50VA005 50VA Transformer with Circuit Breaker quantity
20 VA Trans 120/208/240 Volt

Packard

SKU: PF42420
$13.80
Packard PF42420 20 VA Trans 120/208/240 Volt quantity
96 VA Transformer 480/277/240/120 to 24 Vac, Circuit Breaker, Foot and Single Threaded Hub Mount

Functional Devices

SKU: TR100VA005
$52.45
Functional Devices TR100VA005 96 VA Transformer 480/277/240/120 to 24 Vac quantity
40va Foot Mounted Transformer, 120V Primary, 24V Secondary

Resideo

SKU: AT140B1206

Rated 5.00 out of 5
$16.23
Honeywell AT140B1206 40VA Foot Mounted Transformer quantity
96 VA Transformer, 120 to 24 Vac, Circuit Breaker, Foot and Single Threaded Hub Mount

Functional Devices

SKU: TR100VA001
$41.46
Functional Devices TR100VA001 96 VA Transformer, 120 to 24 Vac quantity
Plate mounted 120 Vac Transformer with 9″ lead wires

Resideo

SKU: AT72D1006
$37.64
Honeywell AT72D1006 Plate-Mounted 120VAC Transformer, 9in Lead wires quantity
40VA Universal Mount 120VAC Transformer

Resideo

SKU: AT72D1683

Rated 5.00 out of 5
$32.08
Honeywell AT72D1683 40VA Universal Mount Transformer quantity
Sale!
50VA General Purpose Transformer, Multi-Mount

Resideo

SKU: AT150F1030
Original price was: $52.57.Current price is: $34.66.
Read more
Foot Mounted 120 Vac Transformer – 9″ Lead Wires

Resideo

SKU: AT120B1028
$17.99
Honeywell AT120B1028 Foot Mounted 120 VAC Transformer W/ 9in Leadwires End Bells quantity
Honeywell AT140B1297/B Transformer

Resideo

SKU: AT140B1297/B
$28.89
MSRP: $33.22
You save 15%
Honeywell AT140B1297/B Transformer quantity
75VA Class II Transformer with Circuit Breaker

Functional Devices

SKU: TR75VA001

Rated 5.00 out of 5

$40.10Add to Cart for Savings

Functional Devices TR75VA001 75VA Transformer with Circuit Breaker quantity
75VA Transformer and Circuit Breaker

Functional Devices

SKU: TR75VA007

$52.95Add to Cart for Savings

Functional Devices TR75VA007 75VA Transformer and Circuit Breaker quantity
175VA Transformer, Ideal for Panel/Junction Box Mounting

Functional Devices

SKU: TR175VA003
$83.56
Functional Devices TR175VA003 175VA Transformer with Thermal Fuse quantity
50VA General-Purpose Transformer, Universal Mount

Resideo

SKU: AT150A1007
$25.33
Honeywell AT150A1007 50VA General-Purpose Transformer, Universal Mount quantity
208/230V to 24V Transformer – 40VA HVAC Control Power Supply

Rheem

SKU: 46-23115-02
$26.16
MSRP: $30.08
You save 15%
Rheem 46-23115-02 208/230V to 24V Transformer – 40VA HVAC Control Power Supply quantity
Sale!
Functional Devices TR100VA009 100VA Transformer, 120/208/240/277/480-24V, DH, UL Listed

Functional Devices

SKU: TR100VA009

$56.15Add to Cart for Savings

Functional Devices TR100VA009 100VA Transformer, 120/208/240/277/480-24V, DH, UL Listed quantity
120/24 20VA Single Hub Foot Transformer

Functional Devices

SKU: TR20VA001

$32.20Add to Cart for Savings

Functional Devices TR20VA001 20VA Single Hub Foot Transformer quantity
Navien 30010455A Ignition Transformer for NCB & NCB-E Combi-Boilers – OEM Replacement

Navien

SKU: 30010455A
$23.25
MSRP: $26.74
You save 15%
Navien 30010455A Ignition Transformer for NCB & NCB-E Combi-Boilers – OEM Replacement quantity
Aprilaire 5529 Transformer

Aprilaire

SKU: 5529
$49.03
MSRP: $56.38
You save 15%
Aprilaire 5529 Transformer quantity
20VA Single Hub Foot Transformer, 277/240/208/120 to 24 Vac

Functional Devices

SKU: TR20VA004
$23.20
Functional Devices TR20VA004 120/24 20VA Foot and Dual Threaded Hub Mount Transformer quantity
150VA Transformer and Integral Circuit Breaker

Functional Devices

SKU: TR150VA001

Rated 5.00 out of 5
$64.32
Functional Devices TR150VA001 Transformer and Integral Circuit Breaker quantity
75VA Transformer for 24VAC Circuits

Honeywell Home

SKU: TR-75-HON

Rated 4.00 out of 5
$55.09
Honeywell TR-75-HON 75VA Transformer for 24VAC Circuits ( AT175A1008 ) quantity
Ferromagnetic Ignition Transformer 120Vac

Allanson

SKU: 2721-448
$93.41
MSRP: $107.42
You save 15%
Read more
208/240V to 24V Transformer

Trane

SKU: TRR2816
$104.64
MSRP: $120.34
You save 15%
Trane TRR2816 208/240V to 24V Transformer quantity
208/230V to 24V Transformer – 40VA HVAC Control Power Supply

Rheem

SKU: 46-101905-01
$23.75
MSRP: $27.31
You save 15%
Read more
120V to 24V Transformer – 40VA HVAC Control Power Supply

Rheem

SKU: 46-24124-06K
$27.59
MSRP: $31.73
You save 15%
Rheem 46-24124-06K 120V to 24V Transformer – 40VA HVAC Control Power Supply quantity
Honeywell ET401A1 Gas Ignition Transformer

Honeywell Home

SKU: ET401A1
$153.00
MSRP: $175.95
You save 15%
Honeywell ET401A1 Gas Ignition Transformer quantity
Supco SXT116 Transformer

Supco

SKU: SXT116
$21.31
MSRP: $24.51
You save 13%
Supco SXT116 Transformer quantity
Lennox 78H55 Class 2 Transformer

Lennox

SKU: 78H55
$34.94
MSRP: $40.18
You save 15%
Lennox 78H55 Class 2 Transformer quantity
Lennox 19W88 Secondary Transformer

Lennox

SKU: 19W88
$33.44
MSRP: $38.46
You save 15%
Read more
Sale!
90-T Series Energy Limiting 24 Vac Transformer

White-Rodgers

SKU: 90-T60C3
Original price was: $43.75.Current price is: $35.99.
MSRP: $50.31
You save 28%
White-Rodgers 90-T60C3 90-T Series Energy Limiting 24 Vac Transformer quantity
75VA Plate/Panel Mount Transformer

Resideo

SKU: AT175F1031
$68.26
Honeywell AT175F1031 75VA Plate/Panel Mount Transformer quantity
Class II, 50VA, 277 to 24 Vac Transformer

Functional Devices

SKU: TR50VA014

Rated 5.00 out of 5
$40.10
Functional Devices TR50VA014 50VA Class II Transformer quantity

Transformers work by adjusting the voltage levels between the primary and secondary windings, allowing electricity to be safely and efficiently distributed over long distances or within specific systems. This transformation of electrical energy is vital for reducing energy losses, managing power grids, and maintaining the integrity of electrical systems.

When searching for high-quality electrical transformers, trust our extensive collection from trusted and reputable brands like Honeywell, Functional Devices, Aprilaire, and many more. Each of our transformers is engineered for durability, efficiency, and performance, ensuring reliable power delivery for various applications.