Haefely VTM 15000/05 Impulse Transformer For Isolation Testing

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The Haefely VTM 15000/05 Impulse Transformer For Isolation Testing is a voltage transformer which multiplies input voltage by two while retaining the wave shape. Haefely VTM 15000/05 surge immunity test systems are used for insulation tests with a 1.2/50us impulse such as specified in IEC 62052, IEC 60255-5 and other IEC/EN standards. This unit can be used with any Haefely Hipotronics combination wave generator with 2 Ω source impedance. The lightning impulse is the most common impulse shape for testing isolations. No flash over should occur during testing.