 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.
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