Customer Benefits

The GL 314 and GL 314X live tank circuit breaker provides high reliability based in part on high quality components, including:

• Single pole or three pole operating design
• Self-blast interrupter chambers
• Spring mechanism FK3 equipped with a position indicator visible from the outside
• Field-proven, temperature-compensated density monitor with two-stage transducer and three-color dial
• Easy access to the SF₆ filling connection (type DILO)
• Sealings suitable for temperatures down to -60 °C
• Hot-dip galvanized steel parts and mechanism housing made completely of aluminum

Optional Components

• Standard low voltage equipment provided, additional equipment is available
• Composite insulators are available
• Seismic dampers for high seismic request can be provided
• Pressure relief system for passive protection of both substation and personnel
• RPH3 controller: Pont-on-wave tripping and closing relays
• CBWatch: compact and modular circuit breaker monitoring solution

Installation and Maintenance

• Preset at factory before shipping; no adjustments necessary during installation and commissioning
• Pole units pre-filled with SF₆ at factory before shipping
• Disassembly of interrupter chamber without removal of entire pole column possible

Advanced Testing

Our live tank circuit breakers meet the requirements of national and international standards. This has been confirmed by comprehensive type tests according to the latest IEC and ANSI standards.

Certified Quality

The entire development and production procedures for our live tank circuit breakers are fully compliant with the latest ISO 9001, ISO 14001 and OHSAS 18001 quality standards. This ensures the high quality of our products and services, which is confirmed by regular audits.