Outdoor stand-alone packaged switching units – YAKNO and lighting stations
Outdoor stand-alone packaged switching units - YAKNO - and lighting stations are designed for lighting of working areas and connection of open-pit mining consumers; they are equipped with current leakage protection in low-voltage circuits.
Outdoor stand-alone packaged switching units - YAKNO - have vacuum circuit-breakers, type ВВ/ТЕL - 10 - 12.5 - 20 / 1000 U2, VVTE - 10 - 20 / 630 U2, VBP - 10 - 20 / 630 UHL2, VBEM - 10 - 12.5 / 800 UHL2, VBSK - 10 - 20 / 630 UHL2; oil circuit-breakers, type VPM , VMP- 10 - 20 / 630 U2 with a spring drive, type PP-67, PPO-10 or manual drive, type PRBA-114, PRBA-224.
Outdoor stand-alone packaged switching units - YAKNO-6 and YAKNO-10 have certificate of conformity No. ROSS RU.AI50.V01522
Diagrams for principal connections in YAKNO-6 and YAKNO-10:
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Unit initials for configurations of YAKNO-6 and YAKNO-10 |
Circuit-breaker type |
Relay protection |
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YAKNO-6 U1V-EP-4 |
Oil circuit-breaker - VPM and spring drive - PP-67 |
Over-current protection, ground fault protection, under-voltage protection, ground cable breakdown protection, ground fault protection monitoring. |
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YAKNO-10 U1V-EP-4 |
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YAKNO-6 U1V-EP-4 |
Oil circuit-breaker - VPM and manual drive - PRBA |
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YAKNO-10 U1V-EP-4 |
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YAKNO-6 U1V-PV-4 |
Vacuum circuit-breaker - VBPS and spring drive |
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YAKNO-10 U1V-PV-4 |
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YAKNO-6U1V-V-4 |
Vacuum circuit-breaker - BB/TEL (magnetic phase drive) |
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YAKNO-10 U1V-V-4 |
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Surge protection devices are installed at request after the vacuum circuit-breaker. |
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