Electronic Design

Class 2 Transformers

Inherently limited Class 2 Transformers from Foster Transformer are easier to install and operate since they require no external fusing and contain no internal current fuses. Jan. 31, 2012 Inherently ...
EDN

Class 2 transformers offer 9 to 24-V output

Available in outputs ranging from 9 to 24 V, a line of Class 2 plug-in transformers offers an input of 120 V at 60 Hz. Current-handling capacities range from 10 to 50 VA. The parts are housed in a ...
EDN

Class 2 transformers suit audio, radio apps

The models 15951 and 15952 UL-listed Class 2 control transformers suit a variety of industrial control systems, including radio and audio. The 15951 is rated to 15 VA, and the 15952 is rated 30 VA and ...
Electronic Design

Class 2 Transformer Family Offers Many Choices

The SURVIVOR family of Inherently Limited Class 2 transformers offers models ranging from 30 VA to an industry-largest 100VA. The SURVIVOR family of Inherently Limited Class 2 transformers offers ...
Electrical Construction & Maintenance

Article 725, Class 2 and 3 Circuits

If the power source is a listed Class 2 transformer or listed Class 2 power supply — or it’s in listed equipment marked to identify the Class 2 power source — you’ve got a Class 2 circuit between the ...
Electrical Construction & Maintenance

Remote Control and Signaling Circuits, Class 2

Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Class 2 circuits are limited to voltage and current values that don’t (usually) present a shock or fire hazard. The power supply for a Class 2 ...