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Low-voltage switchgear and controlgear. Part 4-3. Contactors and motor starters. AC semiconductor controllers and contactors for non-motor loads

Document status: Active

Electrical relays. Part 12. Directional relays and power relays with two input energizing quantities

Document status: Active

Electric motor frequency convertors with rated power up to 200 kW and frequency to 20000 Hz. Test methods

Document status: Active

Radio-frequency cable type PK 75-9-12. Specifications

Document status: Active

Luminaires for public lighting. General specifications

Document status: Withdrawn

Standard method of measurement of lamp cap temperature rise

Document status: Replaced by GOST IEC 60360-2024