TRANSFORMERS & ELECTRICAL COMPONENTSProtection & DC Power
Protection, control and DC auxiliary-power equipment for electrical installations. Match device functions, secondary circuits and DC supply requirements to the protection scheme.
Transformer manufacturing is our core. Complementary equipment and components are supplied to the agreed scope. The manufacturer, brand, model, documents and warranty arrangements are confirmed in the quotation and order.
Explore the family.
4 series from the Mingkong selection guides. Open a model to view images and specifications.
DC power supply system
DC output options: 220 / 110 / 48 V
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Protection & control panel
Functions: Protection / measurement / control
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Microcomputer protection device
Functions: Protection / measurement / control
View specifications ↗
Microcomputer protection device
Functions: Protection / measurement / control
View specifications ↗What needs to match?
- Protection philosophy, CT / VT inputs and trip circuits
- Auxiliary or DC supply voltage and load schedule
- Battery autonomy where applicable, charger and alarm requirements
- Communication, panel interfaces, drawings and acceptance records
A drawing, reference or existing-part photo can help clarify these details.
Send a family enquiry ↗Looking for a replacement?
Share the current part information and installation interfaces. The supply option and technical fit need to be reviewed together.
Prepare a replacement enquiry ↗Start with a drawing.
Include dimensions, materials and revision information where available. Add the quantity and delivery needs to your enquiry.
View information guides ↗