Finding the best transformer 18v suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
Reviews
1. MG ELECTRONICS MGT1850 CLASS 2 TRANSFORMER 18VAC 50VA W/GLASS FUSE
Feature
Power Rating: 50 VAInput Voltage: 110 V AC
Output Voltage: 18 V AC
Limited Warranty: 90 Day
Description
Class 2 Transformer 18Vac 50Va W/ Glass Fuse2. PHC AC-1822SA 18 VAC 2.22 Amp Transformer, 40VA, 3-screw terminal
Feature
Input: 120VAC, Output: 18VAC at 2.22 amp max. (40VA)Configuration: 3-screw terminal
Note: This is an AC to AC power supply, please make sure your device uses 18VAC input
Please confirm the connection configuration before purchase
Tips: voltage must equal to device requirement, amp rating must equal or greater than requirement
Description
VAC transformer is a great AC to AC power adapter used for various types of electronic devices.3. 18VAC 1.11 Amp Class 2 Resettable Transformer, 20VA, 2-Screw, with indicator light
Feature
18VAC 1.11A Output Resettable Transformer with indicator lightShort circuit and overload protection, with recovery after fault is removed
Glowing green light indicates proper operation, no light at all indicates a problem so that you can easily observe the status of the transformer
UL Listed E483149
Recharges batteries in 12V Automatic Gate Opener Systems and other applicable systems
Description
Resettable 120VAC Input, 18VAC and 1.11 Amp Output Transformer with Indicator light for proper operation. This transformer includes two screw terminals for connecting your device.4. BOSCH SECURITY VIDEO TR1850 Transformer 18 VAC, 50VA for CCTV Systems
Feature
broad portfolio of products includes systems for communications, video surveillanceFor more than 125 years, the Bosch name has stood for quality and reliability
Bosch products are used by major enterprises and organizations such as universities, government agencies
Description
Bosch Security Systems, Inc. is a supplier of equipment for the global electronic protection and communication system industries. They work closely with an extensive network of certified dealers and integrators to design dependable communications, security, and life safety solutions . Their broad portfolio of products includes systems for communications, video surveillance, access control, and intrusion and fire detection. Bosch products are used by major enterprises and organizations such as universities, government agencies, retail stores, casinos, and industrial settings. For more than 125 years, the Bosch name has stood for quality and reliability.5. Jameco Reliapro DDU180100H4551 AC to DC Wall Adapter for Transformer Single Output, 18V, 1 Amp, 18W, 3.3" x 2.2" x 1.9" Size
Feature
Connector Type: Cylindrical FemaleConnector Size: 2.5mm x 5.5mm
Polarity: Center Positive
Dimensions: 3.3" x 2.2" x 1.9"
Cord length: 6'
Description
18 Watt AC/DC Unregulated Linear Wall Adapter with 18 Volts at 1 Amp. Made in Taiwan. Jameco Reliapro brand products.6. 18V Power Adapter Compatible for Ring Doorbell, C Wire Adapter 197 inch Long Cable Compatible for All Type of Ring Doorbell/Thermostat for Nest Ecobee, Sensi and Honeywell DIY Easy Charge Adapter
Feature
WIDELY USE: This 18 volt power transformer adapter worked great for your popular doorbells (Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro, Nest Skybell, etc.) and smart thermostats (Nest, Ecobee, Honeywell, Sensi).SAFE AND FUNCTION: UL certificate. The Power Supply Adapter Transformer can solve "Low batter" problem of your Ring Doorbell and help extend the working time of the battery and reduce power consumption.
EASY TO INSTALL: Connect the two wires and plug it in. It wired up easy and work great. Saved your time and money that you did not need to run an extra wire.
CONVENIENT:The 197 inches cable is long enough to set it anywhere you want.Better length than the others on the market With input 120V AC 60Hz 0.2A / output 18V AC 500mA, a perfect tool to meet your needs and no more disappointing battery experience.
EXCELLENT MATERIAL: High Quality Material, durable for long use. Please do not worry becasue we tested every item before we sent the item.
Description
ykooe Power Transformer Adapter for Honeywell Smart Wifi Thermostat, Power Supply for Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro and Nest Skybell1.Compatible with:
Doorbells:
Ring Video Doorbell
Ring Video Doorbell Pro
Ring Video Doorbell 2
Skybell doorbell
Thermostats:
Honeywell Smart Wifi Thermostat
Nest Thermostat
Ecobee Thermostat
Sensi Thermostat
2. Specification:
Input: 120V AC 60Hz 0.2A
Output: 18V AC 500mA
Cable length: 197 inch (500cm)
3.Installation:
a. Just wired the two wire to the ring doorbell and plugged the power transformer into the nearest outlet.
b. Once hooked up to your Ring Doorbell, you can see the ring around the doorbell button illuminate white which signifies that the adapter is providing power to the doorbell. Also, you can use the app on your phone that shows you that is hardwired and not running off battery power.
Note: Keep in mind that this power adapter is not meant to charge your battery in the Ring Doorbell (at least not a fast charge), but it does slowly charge the battery.
4. UL Certificate adapter protect your personal health and property safety, so you can use our products with confidence. The adapter can solve "Low batter" problem of your Ring Doorbell. You can charge it directly(plug adapter into outlet and power up), which means you don't need to remove your doorbell to charge the battery.
Package Included:
1 x power adapter with 197 inch long cable
1 x blue screwdriver
7. Transformer, 18 Volt/40VA UL Only
Feature
Price For: Each Type: Swing & Slide Gate Operators Item: Transformer Country of Origin (subject to change): ChinaDescription
'Transformer, For Use with 13X156, 13X157, 13X161, 13X162, 36A982, 36A983, 36A984, G4993152'8. 70054K Low Profile PC Mount Toroidal Transformer 2 @ 18 volts 15 VA rated
Feature
Primary: 110/230 voltsSecondary: Two 18v or one 36v @ 972ma
15 VA rated
New, Manufactured by Amveco Magnetics
Description
110/230v 60Hz Primary; Two secondaries 18v, 417ma, (No load 22.2v, 4ma), 80% eff. For 110v supply power, primaries must be parallel; for 230v operation, primaries must be in series. 60mmL x 60mmW x 26.3mmH, UL & VDE certifications, Maximum ambient temperature of 60C. Alternate Part Number: 70054-P2S02K9. AC to AC Wall Adapter Transformer 18 Volt @ 1000mA Black Straight 2.1mm Female Plug
Feature
Output Voltage (VAC) : 18Output Current (mA) : 1000
Output Connector ID x OD : 2.1mm x 5.5mm
Size H x W x D (inches) : 3.1 x 2.7 x 1.9
Input Voltage (VAC) : 120
Description
18VAC, 1000mA OUTPUT AC-AC WALL ADAPTEROutput Connector Type: Female 2.1mm inside diameter / 5.5mm outside diameter straight plug
Features:
Input Voltage: 120VAC @ 60Hz
Output Rating: 18VAC @ 1000mA
Size: 3.1"H x 2.7"W x 1.9"D
Case color: Black
Output cord length: 6 feet
Weight: 1.1 lbs.
Agency approvals: UL/CUL