Inherently limited Class 2 Transformers from Foster Transformer are easier to install and operate since they require no external fusing and contain no internal ...

Two transformers - models 15951 and 15952 - can be used in many industrial control systems. In addition to fire and burglar alarms, the transformers are ideal for intercom systems, paging systems, ...

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 ...