For example, a 30kVA step-down transformer, rated 480V-208/120V, 3-phase with primary and secondary OCPDs sized per Table 450.3(B), has a maximum rating of 250% of the primary side current where ...

In standardizing the 12V low-voltage system, manufacturers have made available various sizes of step-down transformers to convert a standard 120V source to a 12V supply. The components of the system ...

A popular electrical component used on many control circuits is the step-down transformer. It is the power source for a separate lower-voltage circuit which typically controls the operation of a ...

Foster’s line of RoHS compliant isolation transformers are suitable for step-up, step-down, and 1:1 voltage applications. Foster’s line of RoHS compliant isolation transformers are suitable ...

A new type of DC-DC converter based on Hybrid-switching Method™ and a novel Hybrid Transformer™ enables a high step-down voltage conversion and provides a regulated output voltage of 1V from a ...