The input-distribution device of VRU for internal installation in residential and public buildings is intended for reception, distribution and the account of electric energy with a voltage of 380/220 V of three-phase alternating current with a frequency of 50 Hz.
The regulations came into force on September 13, 2021 Power oil step-down three-phase two-winding general-purpose transformers with a capacity of 25 to 2500 kVA, voltage 6 and 10 kV, inclusive, designed for the needs of the national economy for indoor and outdoor installation with idle and short circuit according to the Technical Regulations small, medium […]
SHRNN low-voltage cabinets are designed to complete 0.4 kV AC input devices with a frequency of 50 Hz with a grounded neutral and are used for receiving, distributing electricity, protection against overloads and short-circuit currents. The structure of the symbol ШПНН – X – X – X – XX – Yз 1. […]