Short answer: switchgear panel accessory RFQs should include voltage class, current rating, panel drawing, busbar size, cutout dimensions, control voltage, terminal type and certificate requirement.
| Current transformer | Confirm ratio, accuracy class, burden, voltage level and mounting dimensions. |
|---|---|
| Insulators and supports | Match voltage, creepage distance, mechanical load and busbar hole pattern. |
| Terminals and lugs | Match cable size, conductor material, palm hole and crimping tool. |
| Panel devices | Confirm meters, lamps, buttons, heaters, fans, locks and wiring accessories by panel drawing. |
Switchgear accessories should not be quoted by model name alone. Interface dimensions and electrical rating must be checked.