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  • Garage Replacement Parts
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    • GCL-GH
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    • GCL-LJ
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    • GCL-MH
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    • GCL-MT
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    • Sensing Edges
    • Signals: Visual & Audio
    • Vehicle Motion Sensor
    • Visual Signal Devices
  • Liftmaster Commercial Door Openers
  • Liftmaster Overhead Replacement Parts
    • Liftmaster Logic 4.0 Operators
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    • SD Operator Logic 5.0
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    • GTO PRO
    • Mighty Mule
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  • Intercoms
    • GTO PRO
    • Linear Pro Access
    • Aiphone
    • AAS / Security Brands
  • Telephone Entry Systems
    • Linear Pro Access
    • Select Engineered Systems
    • Liftmaster
    • AAS / Security Brands
  • Gate Locks
    • GTO PRO
    • Sentry
    • Liftmaster
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    • Hysecurity
    • Exit Wands - Vehicle Sensor
    • Base Loop Detectors
    • Diablo Controls Loop Detectors
    • EDI Loop Detectors
    • GTO Loop Detectors
    • NorthStar Vehicle Detectors
    • RENO Loop Detectors
    • Loop Sealant
    • EMX Industries
    • CARTELL
    • US Automatic
    • BEA Sensors
    • Linear / Nortek
    • Liftmaster
    • Optex Virtual Detectors
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    • GTO Loop Wire
    • BD Loops
    • Low Voltage Wire
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  • BIRCHER DOOR SENSORS
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    • SECO-LARM
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  • Proximity Card Readers
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    • Secura Key
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  1. Home
  2. Transformers

Transformers for Gate and Garage Door Automation

Transformers subcategories
  • GTO PRO GTO PRO
  • Mighty Mule Mighty Mule
  • Linear Linear
  • Liftmaster Liftmaster
  • Sentry Sentry
  • Genie Genie
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Products [21]

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GTO PRO RB502 Transformer -  14 Volt - AC - Operator Only - PRO/1000/1200
GTO RB502 Transformer - 14 Volt - AC - Operator Only - PRO/1000/1200
$39.99
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GTO PRO RB566 Transformer - 18 Volt/20VA - PRO1000 - UL ONLY
GTO RB566 Transformer - 18 Volt/20VA - PRO1000 - UL ONLY
$37.52
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GTO PRO RB570 Transformer - 18 Volt/40VA - SW2000/3000/4000-SL1000/2000 UL ONLY
GTO RB570 Transformer - 18 Volt/40VA - SW2000/3000/4000-SL1000/2000 UL ONLY
$37.52
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Mighty Mule RB570 Transformer - 18 Volt/40VA - MM UL ONLY
Mighty Mule FM350 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
$37.52
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Mighty Mule FM500 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
Mighty Mule FM500 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
$37.52
(1)
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Mighty Mule FM502 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
Mighty Mule RB570 18 VAC 40 VA Replacement Transformer for UL Gate Openers
$37.52
(1)
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Mighty Mule FM502 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
Mighty Mule FM600 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
$37.52
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Mighty Mule FM362-D RB502 Transformer -  14 Volt - AC - Operator Only
Mighty Mule FM362-D RB502 Transformer - 14 Volt - AC - Operator Only
$34.95
(3)
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Mighty Mule FM352 RB570 Transformer - 18 Volt/40VA - MM UL ONLY
Mighty Mule RB570 18 VAC 40 VA Transformer for UL Gate Openers
$37.52
(2)
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Linear IEI PIP12VDCRU Plug-in 12 VDC Power Supply LED Protection Transformer
Linear IEI PIP12VDCRU Plug-in 12 VDC Power Supply LED Protection Transformer
$29.95
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Linear IEI PIP24VDCRU Plug-in 24 VDC Power Supply LED Protection Transformer
Linear IEI 0-291324RU, PIP24VDCRU Plug-in 24 VDC Power Supply LED Protection Transformer
$29.95
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Linear PIP12VDC60W, 0-299117RU Plug-in 12 VDC 120 VAC Input 5 amps Power Supply
Linear PIP12VDC60W, 0-299117RU Plug-in 12 VDC 120 VAC Input 5 amps Power Supply
$69.27
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Linear IEI PIP12VDCRU Plug-in 12 VDC Power Supply LED Protection Transformer
Linear 0-291312RU PIP12VDCRU 12 VDC 2 Amp Plug-In Power Supply
$29.95
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Liftmaster 85LM Optional Universal Radio Control Plug-In AC Transformer 22vac
LiftMaster 85LM Plug-In AC Transformer for Radio Receivers
$18.00
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Liftmaster 365LM 315HZ Universal Plug-In w/ Transformer Smart Garage Door Opener
LiftMaster 365LM 315MHz Universal Plug-In Receiver
$44.95
(1)
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Genie 00002278 UT110 Universal 24V Receiver Transformer Power Pac for All Universal Receivers
Genie 00002278 UT110 Universal 24V Receiver Transformer Power Pac for All Universal Receivers
$28.82
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Mighty Mule Power Supply 19V for MM271 - RP1010 Transformer for the 271 Opener
Mighty Mule Power Supply 19V for MM271 - RP1010 Transformer for the 271 Opener
$39.95
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Mighty Mule Power Supply 19V for MM571W - RP1010 Transformer for the 571 Opener
Mighty Mule Power Supply 19V for MM571W - RP1010 Transformer for the 571 Opener
$39.95
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Mighty Mule Power Supply 19V for MM372W - RP1010 Transformer for the 372 Opener
Mighty Mule Power Supply 19V for MM372W - RP1010 Transformer for the 372 Opener
$39.95
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Mighty Mule Power Supply 19V for MM371W - RP1010 Transformer for the 371 Opener
Mighty Mule Power Supply 19V for MM371W - RP1010 Transformer for the 371 Opener
$39.95
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Mighty Mule Power Supply 19V for MM271 - RP1010 Transformer for the 271 Opener
Mighty Mule Power Supply 19V for MM271 - RP1010 Transformer for the 271 Opener
$39.95
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pagination

Frequently Asked Questions : Transformers

Q1: What is the function of a transformer in a gate operator system?

A1: A transformer is an electrical component that converts high-voltage AC power from a main supply into the lower voltage required by the gate operator's control board and accessories. This conversion typically steps down 120V or 230V to 12V or 24V to ensure safe and efficient operation of the system’s electronics.

Q2: What does the VA rating on a transformer signify?

A2: The VA (Volt-Ampere) rating indicates the maximum power capacity the transformer can provide to the gate system. It is critical to use a transformer with a VA rating that meets or exceeds the total power consumption of the operator and any connected peripherals to prevent overheating or component failure.

Q3: Can a transformer for a 12V system be used on a 24V operator?

A3: No, transformers are designed for specific output voltages and are not interchangeable between systems with different requirements. Applying the incorrect voltage can cause permanent damage to the control board; always consult the manufacturer’s technical specifications for correct part matching.

Q4: How do I know if a gate opener transformer has failed?

A4: Symptoms of a failed transformer include a lack of power to the control board, humming noises, or visible signs of heat damage. For a definitive diagnosis, the primary and secondary windings should be tested with a multimeter by a qualified professional to check for correct voltage output and continuity.

Q5: What is the difference between a plug-in transformer and a hardwired transformer?

A5: A plug-in transformer connects directly to a standard wall outlet and provides low-voltage power via a cable, whereas a hardwired transformer is permanently connected to the building's electrical system inside the operator’s chassis. The choice between the two depends on the specific model of the gate operator and the available power source at the site.

Q6: Why do some transformers include built-in fuses or circuit breakers?

A6: Internal fuses or breakers are safety features designed to protect the transformer and the gate operator from electrical surges or short circuits. If a transformer constantly trips a breaker or blows a fuse, it indicates an underlying electrical issue that should be investigated by a licensed technician.

Q7: Are gate operator transformers weather-resistant?

A7: While most transformers are housed within the weather-resistant enclosure of the gate operator, standalone or plug-in units must be protected from direct exposure to moisture. If a transformer is mounted externally, it should be placed in a NEMA-rated enclosure according to the manufacturer’s installation guidelines.

Q8: Can I use a third-party transformer as a replacement?

A8: While some universal transformers exist, it is highly recommended to use the exact replacement part specified by the manufacturer. Using a transformer with incompatible voltage, frequency, or current ratings can void warranties and pose significant safety risks to the automation system.

Q9: What is primary versus secondary voltage in a transformer?

A9: Primary voltage refers to the incoming power from the utility source, usually 120V or 240V AC, while secondary voltage refers to the stepped-down output sent to the gate operator, usually 12V or 24V. Properly identifying these terminals is essential for safe wiring and system functionality as detailed in the equipment manual.

Q10: What maintenance do gate operator transformers require?

A10: Transformers generally require very little maintenance other than ensuring electrical connections remain tight and free of corrosion. Periodically checking the surrounding enclosure for insect nests or debris can help maintain proper airflow and prevent overheating during periods of heavy use.
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10900 NW 146th Street, Ste 107,
Hialeah Gardens
FL. 33018 US

305-696-5443

[email protected]

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Local Pickup Available:  10900 NW 146th Street, Ste 107, Hialeah Gardens, FL 33018: 
Skip the shipping and pick up your order directly from our Hialeah Gardens warehouse. We’re centrally located and proud to serve customers in Hialeah, Miami, Doral, Miami Lakes, Miramar, Pembroke Pines, SouthWest Ranches, and many surrounding areas.  Call us for Directions - 305-696-5443
Gate Openers Unlimited Corp, 10900 NW 146th Street, Ste 107, Hialeah Gardens, FL 33018 | Office: 305-696-5443 | [email protected]

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