Selection Guide
Selection Guide — LV Switchgear Assembly
How to choose between GGD, GCK, GCS and Blokset 5000 low-voltage assemblies.
This guide compares the low-voltage assemblies by structure and duty.
Step 1 — Fixed or withdrawable
- Simple fixed distribution → GGD (fixed, up to 4000A busbar)
- Motor control / hot-swap maintenance → GCK or GCS (drawout)
Step 2 — Duty and current
- General power distribution → GGD / GCK, busbar up to 4000A
- Higher busbar and automation → GCS (up to 5000A, 80kA withstand) or Blokset 5000 (up to 6300A, up to 100kA)
Step 3 — Protection and standard
All follow IEC 61439 / GB/T 7251.1-2023. Confirm IP (IP30/IP40 base, IP54 option) and segregation form with the panel builder.
Step 4 — Add compensation if needed
If power factor is low, add a GGJ capacitor compensation cabinet (1–600 kvar) on the same LV system.
See the product models for exact rated values.
XSDQ Electric — Lu'an Xinsheng Electric Co., Ltd., brand XSDQ Electric.