BENSN 24V 40VA Doorbell Transformer for Ring 2 3 4 Pro Nest Hello Eufy Arlo Video Doorbell, 24V Transformer for Honeywell Ecobee 3 Google Nest 3rd Thermostat Power Supply

Price: $26.99
(as of Nov 26, 2025 18:16:58 UTC – Details)

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Why choose BENSN charger?

The company specializes in the research, development and production of power adapters. It has been in business for 10 years and has an excellent development team and professional technicians.

The charger is made of high-quality materials and can be protected against overcurrent, overvoltage, overload, and short circuit.

Product Dimensions ‏ : ‎ 9.4 x 6.35 x 1.75 cm; 760 g
Date First Available ‏ : ‎ Dec 22 2019
Manufacturer ‏ : ‎ BENSN
Place of Business ‏ : ‎ shenzhenshi, guangdongsheng 518000,CN
ASIN ‏ : ‎ B083187B2F
Item model number ‏ : ‎ 24V 40VA Transformer
Country of origin ‏ : ‎ China
Best Sellers Rank: #3,366 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Door Bell Transformers
Customer Reviews: 4.3 4.3 out of 5 stars 951 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

24V Doorbell Transformer: Input 120V/AC, 60 Hz; output: 24V AC/40VA. This is an AC-to-AC product. The load voltage (when the doorbell is running) is 24V, the no-load voltage output is about 22.8V–29.4V, which is within the normal range. It is recommended to use professional electrical equipment to test the voltage. Amultimeter can only test whether there is voltage, but cannot get an accurate value
Doorbell Transformer 24V 40VA: Compatible with sensi ecobee 3 saswell google nest 3rd generation and honeywell thermostat. Compatible with ring video doorbell ring video doorbell wired ring pro ring pro 2 ring 3 ring 3 plus ring 4 nest hello video doorbell arlo video doorbell eufy video doorbel lorex 2K video camera doorbell. Or other equipment requiring 8-24VAC, maximum 40VA, 60Hz power supply. Please note: Only compatible with the models mentioned in the list
Powering Doorbells: 24V AC transformer replaces and upgrades underpowered transformers, providing ample power for 2 doorbells at the same time. Electronic products all generate heat, and our transformers are protected against overheating. When the temperature exceeds the set safety temperature, the corresponding protection function will start, you can use it with confidence
UL Certification: The 24V doorbell transformer has passed UL safety performance testing certification. Doorbell transformer 24V 40VA simply mount to electrical box via threaded connector or screw down, Easy to install
If you don’t know how to choose a suitable transformer, you can consult us and we will help you choose the right transformer