Installation manual for S&C's LD outdoor high‑voltage isolated switch (single‑insulator/bracket type) with safety, wiring and operation instructions.
About this manual
This manual provides installation, operation, safety and maintenance guidance for the S&C LD outdoor high‑voltage isolated switch. It is intended for qualified personnel who are trained in electrical distribution equipment and understand the associated hazards.
The document details step‑by‑step installation procedures, wiring terminal mounting, adjustment of the main blade, and how to safely open and close the switch using the S&C handheld load‑breaking device. It also covers inspection, replacement of missing or damaged tags, and proper disposal of the product at end‑of‑life. This manual is written in Chinese.
What's inside
- Introduction
- Wiring Terminal Installation
- Installation Procedure
- Safety Information
- Closing the Switch
- Opening the Switch
- Replacement and Tagging
- Inspection
Frequently asked questions
Who is allowed to install and maintain the switch?
Only qualified personnel who are trained in electrical distribution equipment and understand the hazards may install, use, and maintain the device.
What must be used to open the switch safely?
The switch must be opened with S&C's handheld load‑breaking device; opening without it can cause flashover and injury.
What should be done if the switch tags are missing or damaged?
Contact S&C immediately to obtain and replace the missing or damaged tags.