This is OEM installation, operation and maintenance manual for modular withdrawable low‑voltage switchgear, complying with prevailing IEC 61439 and GB/T 7251 series standards.
The manual introduces modular compartment construction, mechanical interlock for drawer units, site‑erection procedures, commissioning workflow, drawer operation guidance, periodic inspection & maintenance routines, transportation‑storage rules, factory‑supplied deliverables and ordering prerequisites.
It gives safety reminders for live‑zone work and specifies qualification requirements for operating personnel. Contact us for full‑set compliance documents and drawing packages.