Voltage Transformers NOL(P)-SVEL for Electrical Signal Measurement and Protection

Transformers are designed for transmission of measuring information signal to measuring, protection, automation, signalling and control devices in electrical installations of alternating current with frequency 50 Hz or 60 Hz for voltage classes 3 - 35 kV. Transformers of placement category 2 according to GOST 15150 are designed for installation in complete switchgears (switchgear) of internal installation or other closed switchgear (ZRU). Transformers of placement category 1 are designed for installation in open switchgear (ORU).