Selected transformer characteristics

04 Dec 2020 - tsp
Last update 04 Dec 2020

This is just a small collection of transformers that I’m currently using - or that I’ve looked into - and their relevant characteristics (note that relevant characteristics means relevant to me, this is not a general statement).

Insulating transformers

Manufacturer Part number Power Primary windings Primary voltage Secondary windings Secondary voltage Maximum secondary current Insulation rating Isolation test
BLOCK STEU500/24 500VA 1 230V 2 12V 41.6 A 3000 Vrms ? 3000 Vrms ?
BLOCK STEU500/48 500VA 1 230V 2 24V 20.8 A 3000 Vrms ? 3000 Vrms ?
BLOCK STEU250/24 250VA 1 230V 2 12V 20.8 A 3000 Vrms ? 3000 Vrms ?
BLOCK ACT100 100VA 1 230V 1 24V 4.17 A 3750 Vrms 2400 Vrms
PRO POWER CTFCS100-18U 100VA 1 230V 2 18V 2.78 A 3750 Vrms 2400 Vrms
BLOCK STEU63/48 63VA 1 230V 2 24V 2.6 A 5000 Vrms 5000 Vrms
PRO POWER CTFCS50-15 50VA 1 230V 2 15V 1.67 A 3750 Vrms 2400 Vrms
MYRRA 44265 10VA 1 230V 1 6V 1.67 A 4000 Vrms 4000 Vrms
BLOCK SIM100 100VA 1 230V 2 12V 1.3 A 5000 Vrms 5000 Vrms
PRO POWER CTFCS20-9 20VA 1 230V 2 9V 1.11 A 3750 Vrms 2400 Vrms
MYRRA 44231 5VA 1 230V 1 12V 0.4 A 4000 Vrms 4000 Vrms

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Dipl.-Ing. Thomas Spielauer, Wien (webcomplains389t48957@tspi.at)

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