Machine Design

100-VA Class-2 Transformer

The Survivor is said to be the highest-capacity inherently limited Class-2 transformer in the world at 100 VA.

Inherently limited eliminates the need for external protection or internal fusing. The Survivor can withstand a direct short circuit in excess of 15 days. The 100-VA model comes with either 60 or 50/60-Hz ratings at primary input voltages of 115, 115/230, and 200/230 V with a 24-V output. Each size/model includes UL Recognized Class 130 (B) insulation. IEC, EN, and CE-compliant designs are available.

Foster Transformer, 3820 Colerain Ave., Cincinnati, OH 45223, (800) 963-9799,

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