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General| Brand | Secheron |
|---|---|
| Model | UR46-81S |
| Category | Circuit breakers |
| Language | English |
Overview of the circuit-breaker's purpose and design.
Detailed breakdown of the circuit-breaker's components.
Applications and suitability for traction substations.
Key characteristics and benefits of the device.
Explanation of how the breaker operates (closing, holding, opening).
Information on the rating plate and compliance marks.
Description of tests performed during production.
Critical safety information and warnings for operators.
High voltage hazards and essential safety rules.
Specific safety for vehicle installations.
Definitions for DANGER, WARNING, CAUTION, IMPORTANT.
Qualifications for operating and servicing.
Detailed electrical and physical properties of the device.
Definitions of current ratings and time constants.
Detailed ratings for voltage, current, and capacity.
Voltage and limits for the control circuit.
Environmental limits like temperature and altitude.
Operating modes (E type, M type) and coil values.
Coil characteristics and parameters.
Specifications for auxiliary switch functions.
Visual representation of contact switching.
Physical size and weight details for installation planning.
Environmental and special condition considerations.
Procedures for inspecting the device upon receipt.
Safe methods for lifting and moving the equipment.
Recommendations for packaging the circuit-breaker.
Guidelines for storing the device before installation.
Procedures for end-of-life disposal.
Specific torque values for fasteners during installation.
Instructions for physically installing the breaker.
Details for connecting control and auxiliary wiring.
Procedure for proper grounding of the device.
Guidance on connecting power terminals.
How to configure overcurrent protection.
Pre-commissioning checks before operation.
Operational status verification.
List of tools and materials for maintenance tasks.
Recommended schedule for routine checks.
Overview of visual and detailed inspection steps.
Guidelines for when components need replacement.
Steps for inspecting key components like arc chutes.
In-depth checks of internal parts and clearances.
Procedures for replacing contact assemblies.
Steps to replace the fork mechanism.
Replacing internal arc chute components.
Procedure for replacing the main closing mechanism.
Replacing internal parts of the closing device.
Procedure for replacing the overcurrent trip unit.
Replacing these specific components.
Information on returns and repairs.
General approach to diagnosing faults.
Diagnosing and fixing issues with the main circuit.
Troubleshooting auxiliary contact problems.
Procedures for adjusting the closing coil mechanism.
Verifying breaker function after adjustments or repairs.
Steps for replacing faulty auxiliary contacts.
Explanation of how to read the parts catalogue.
Guidance on stocking essential spare parts.
Information regarding returns and repairs.
Detailed listing and diagrams of available parts.
Description and maintenance of the manual closing option.
Details on optional indicators.
Information on the M3 manual trip option.
Description and installation of indirect release options.
Procedures for adjusting J clearance for options.
Description and installation of vertical release.
Information regarding the varistor protection option.
Details on the DE direct release option.
Description of the position indicator option.
Wiring details for VEAM connectors.
