Current transformers with primary winding terminals ELA1 W20 type

Technical data:

Rated primary current         Ipn= 5 ÷ 400 A
Continuous thermal current Ipn= ext. 120%; 200% available on request
Rated secondary current Isn= 5 A or 1 A
Rated power S2n = 2.5 ÷ 20 VA
Accuracy class

0.2; 0.5; 1; 3; 0.2S; 0.5S

Rated short-time thermal current 1 sec. r.m.s. Ith = 60 * Ipn
Rated dynamic current  Idyn = 2.5 * Ith
Rated frequency f = 50 ÷ 60 Hz
Max. voltage Um = 0.72 kV
Test voltage  Up = 3 kV
Factor security FS5 (other value available on request)


Technical data

Current transformers ELA W20 type in accuracy class 0.2; 0.5 or 0.2S; 0.5S can be legalized.

Informations about other solutions and detailed technical informations are available in our Technical Department:
tel./fax: +48 22 815 67 17
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Zakłady POLCONTACT WARSZAWA
ul. Goździków 26
04-231 Warszawa
Projekt & cms: www.zaler.pl