This document is a quick reference guide for SIPROTEC®7SJ68. It provides information about the product's compliance statement, annotations and warnings, unboxing and packaging, storage and transportation, specifications, installation considerations, wiring considerations, parameter ranges for inputs and outputs, etc.
This quick reference manual gives essential information for safely handling, installing, and operating the SIPROTEC® 7SJ68 protection device. It includes safety warnings, required qualifications for operators, and handling of the internal lithium battery.
Key sections cover unpacking, storage and transport conditions, mechanical dimensions, installation and wiring guidelines, terminal diagrams, and the steps needed before the device can be put into service, such as password configuration and parameter settings. This manual is written in Chinese.
| Storage temperature range (°C) | -25 °C to +55 °C |
|---|---|
| Recommended storage temperature (°C) | +10 °C to +35 °C |
| Panel opening dimensions (mm) | 266 × 229.5 × 172 × 34 |
Only qualified personnel who have completed installation training and understand the safety warnings should operate the device, and dangerous voltages must be avoided.
Store the protection device in a dry, clean room at temperatures between –25 °C and +55 °C, preferably between +10 °C and +35 °C, and keep humidity low to prevent condensation.
Remove the four corner covers, place the device into the panel opening or rack, secure it with four screws, and ensure proper grounding with a minimum 2.5 mm² ground conductor.