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Defines crucial terms like "Danger!" and "Caution!" used throughout the manual for safety.
Outlines conditions for safe and proper operation, emphasizing compliance with laws and instructions.
Lists the "Five Safety Rules" for high-voltage equipment, including isolation and earthing procedures.
Defines personnel qualifications and training required for assembly, installation, and operation of the equipment.
Details where the switchgear is used, its voltage/current ratings, and application areas like substations and railways.
Highlights characteristics like SF6 insulation, metal-enclosed design, interlocking systems, and operational advantages.
Shows different construction types (e.g., 1-pole, 2-pole, 3-pole) of the 8DA series with diagrams.
Describes the function, frame, low-voltage compartment, and switchpanel pole of the circuit-breaker panel.
Explains the design of the vacuum circuit-breaker, including its operating mechanism and mechanical interlocks.
Covers the function and design of the box housing electrical and mechanical components for circuit-breaker operation.
Explains the function of the three-position switch, combining disconnector and earthing switch capabilities.
Illustrates the different operational positions (OFF, ON, earthed) with visual and schematic representations.
Details how to manually and electrically operate the circuit-breaker via the control board and its components.
Explains manual operation of the three-position switch, covering disconnector and earthing functions.
Provides step-by-step procedures for safely earthing and de-earthing feeders, including essential safety rules.
Describes control elements, closing, and opening procedures for the busbar make-proof earthing switch.
Explains the logical dependencies and blocking mechanisms between various switching devices for safe operation.
Details procedures for verifying safe isolation from supply and correct terminal-phase connections using test sockets.
Provides schematic overviews of various switching operations for different panel configurations and scenarios.
Outlines general switchgear maintenance tasks, critical safety instructions, and recommended inspection schedules.
Covers function tests, safety instructions, and detailed procedures for DC voltage testing of cables.
Lists standard and optional accessories, lubricants, and provides ordering information for maintenance and upkeep.
General