BLG Spring-Operated Mechanism

Developed for high-voltage circuit breakers

With over 50,000 BLG operating mechanisms delivered, ABB is confident that the design is one of the most reliable on the market.

The design ensures a high degree of total reliability and minimal need for maintenance for the operating mechanism and, thus, the circuit breaker as a whole.

Features and advantages

  • Increased operational endurance. 10,000 operations or 30 years of service with a minimum of maintenance
  • Modular design with fewer components, strict quality demands and testing of each module before final assembly
  • Maintenance-free enclosure of painted aluminium
  • Insulation inside for reduced heating costs and lower noise level
  • Optimized accessibility through large doors.
  • Better overview since electrical components and terminal blocks are collected together.
  • Simple installation, resulting in shorter assembly times
  • High level of accessories.

Documentation and downloads

Popular downloads
Product guide
Live Tank Circuit Breakers - Application Guide

English - 6.17 MB - pdf

Live Tank Circuit Breakers - Buyer's Guide

English - 4.44 MB - pdf

Manual
Motor Operated Spring Closing Mechanism - BLG 302C, 352C, 502

English - 6.34 MB - pdf

Motor Operated Spring Closing Mechansim - BLG, BLH, BHFYE 67, 12, BLF 6, 12

English - 6.83 MB - pdf

Settings and checking of operating device BLG

English - 1.27 MB - pdf

Sparepartlist BLG

English - 0.60 MB - pdf

Presentation
Type BLG Spring Operating Mechanism

English - 2.50 MB - ppt

Product guide
Live Tank Circuit Breakers - Application Guide

English - 6.17 MB - pdf

Live Tank Circuit Breakers - Buyer's Guide

English - 4.44 MB - pdf

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