FAQ
FAQ — Distribution Boxes
Answers on XL-21, JP and JXF distribution boxes and their application.
Frequently asked questions about XSDQ distribution boxes.
XSDQ Electric — Lu'an Xinsheng Electric Co., Ltd., brand XSDQ Electric.
FAQ
- What is XL-21 used for?
- XL-21 is an indoor AC power distribution cabinet for systems up to 500V (3-phase 4/5-wire), wall-mounted with front maintenance — plant power rooms, pump stations and building mains.
- What is a JP box?
- JP is an outdoor integrated distribution box for pole-mounted transformers, combining metering, outgoing feeder and capacitor compensation, for 30–400 kVA transformers in grid-upgrade projects.
- What is JXF?
- JXF is a general-purpose LV distribution box up to 400A with leakage/overload/short-circuit protection, for hotels, offices, airports and industry; IP40, main-busbar Icw 6kA.
- Are distribution boxes type-tested?
- They are built to IEC 61439 / GB/T 7251.1-2023; specific type-test reports are available on request.