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General| Rated Voltage | 245 kV |
|---|---|
| Rated Current | 1002 A |
| Insulation Medium | SF6 |
| Model | LTB 245E1 BLG 1002A |
| Type | Live Tank Breaker |
Details physical construction and main components of circuit-breaker poles.
Explains SF6 gas system, pressure, and auto-puffer principle for operation.
Describes the motor-charged spring operating mechanism type BLG and its operating cycle.
Lists compliance with IEC Publication 60056 and ANSI C37 standards for circuit-breakers.
Outlines critical safety warnings, danger, warning, and caution levels during assembly.
Provides guidance on checking delivery correspondence, order, and transport damage.
Covers preparations, frame assembly, pole mounting, and mechanism fitting for the circuit-breaker.
Details how to connect operational and signal cables to the operating mechanism and earth wire.
Provides instructions for filling circuit-breaker poles with SF6 gas and related safety precautions.
Specifies checks to be performed before commissioning and filling in operating values.
Lists typical operating values for the circuit-breaker and operating mechanism.
Introduces the scope of instructions for LTB E circuit-breakers, maintenance types, and overhaul requirements.
Discusses service life, arcing contact maintenance, and tightness checking for the circuit-breaker.
Lists checkpoints, tolerances, and recommended inspection intervals categorized by maintenance type.
Lists recommended oils for precision components, bearings, and dashpots with supplier details.
Details recommended greases for various parts like bearings, gears, latches, and contacts with supplier info.
Outlines risks and measures for working on the operating mechanism, including high voltage and stored energy.
Guides on general maintenance, cleaning, lubrication, and checking specific components like drive units and catch gears.
Lists necessary equipment, safety measures, and preparation steps before starting overhaul.
Details procedures for safely dismantling the circuit-breaker and its poles for transport and overhaul.
Provides instructions for inspecting and replacing arcing contacts, puffer, and current paths.
Lists protective covers, oils, and greases required for maintenance and spare parts, including article numbers.
Lists available drive unit spare parts with article numbers for different voltage and frequency ranges.
Provides article numbers for closing and opening dashpots for various circuit-breaker models.
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