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TRANSFORMERS & ELECTRICAL COMPONENTS
Protection & DC Power

MKB-1000 · Microcomputer protection device

Multifunction protection and measurement device for small distribution substations.

Functions
Protection / measurement / control
Selection
Device suffix and protection configuration
Enquire about MKB-1000 ↗

Price on enquiry · Configuration, quantity & destination

Supply scope, manufacturer information, applicable documents and warranty arrangements are confirmed in the quotation and order.

APPLICATION & DUTY

Where MKB-1000 fits

MKB1000 combines protection, measurement and control functions for distribution applications. The selected variant is matched to the protected object, such as a feeder, transformer, motor or capacitor circuit. CT/PT inputs, network grounding and the required trip logic determine the configuration.

Illustrative industrial infrastructure setting
Application illustration
APPLICATION / 01

Distribution feeder and equipment protection

For selected protection duties within the applicable distribution-voltage arrangement.

MKB-1000 product illustration
Product illustration
APPLICATION / 02

Panel integration and replacement

For control panels requiring coordinated measurement, breaker signals and a defined supervisory interface.

PRODUCT ENGINEERING

Construction & operating functions

MKB-1000 product illustration
MKB-1000Product illustration · Configuration varies by specification
DETAIL / 01

Object-specific protection

Different protected objects require different function combinations. The enquiry should identify the protection scheme and exact required device variant.

DETAIL / 02

Electrical measurement

The described functions include current, voltage, frequency, power, power factor and energy measurements. Input ratios and wiring arrangement must match the measurement circuit.

DETAIL / 03

Events and fault information

Event and fault-record functions support review of equipment operation. Required record access and supervisory integration should be specified.

DETAIL / 04

Control and communication

Breaker-related signals, self-monitoring and RS485 Modbus RTU communication are described. The actual I/O allocation and communication point list must be agreed.

DETAIL / 05

Local interface

The local display and indicators provide operating information. Required display language should be confirmed for the destination installation.

DEFINE THE SELECTED ASSEMBLY

Configuration & installation interfaces

SPECIFICATION & INTEGRATIONReview equipment installation

Match the installation drawing, cable routes, clearances and electrical duty for the selected equipment.

Illustrative working scene
Protection duty
Provide the protected-object description, grounding arrangement and function list.
Measurement inputs
State CT/PT ratios, secondary ratings and wiring scheme.
Integration
Specify I/O, auxiliary supply, protocol and display-language requirements.

Installation & connection checklist

  • Submit the secondary schematic and terminal requirements.
  • Identify trip/close circuits and status inputs.
  • Agree settings, communication points and functional checks.
  • For replacement, supply the original relay designation and terminal drawing.

Drawings & configuration documents

Send your selected rating and installation requirements to request the matching dimensional drawing, connection details and technical schedule.

DOCUMENTS · DELIVERY · SUPPORT

Technical coordination & after-sales enquiries

MKB-1000 product illustration
MKB-1000 · Product illustration

Confirm the order documents

Agree the selected specifications, applicable drawings, inspection records and identification requirements in the quotation and order.

Coordinate delivery

Include quantity, destination, packing requirements and preferred trade terms. Confirm transport scope and the requested delivery schedule with the quotation.

Request technical support

For an existing unit, provide its model, nameplate or order reference and a description of the issue. Include relevant photos or records already available. Warranty and service scope follow the agreed order terms.

Contact about this model ↗
START WITH WHAT YOU HAVE

Prepare a quotation for this equipment.

Choose your enquiry type. Start with the information you have.

Price on enquiry

Quotations are prepared for the selected configuration, quantity and destination. Currency, validity, delivery terms, freight and any applicable duties or taxes are specified in the quotation.

Project procurement

New installations & project tenders

Discuss a project ↗
What to prepare

Send the protection scheme or DC load schedule, auxiliary supply and required functions.

Distributor procurement

Model lists & repeat orders

Discuss supply requirements ↗
What to prepare

List exact device variants, input ratings, interfaces, language and documentation requirements.

Panel & equipment builders

Equipment integration & matching

Discuss an assembly ↗
What to prepare

Provide secondary schematics, I/O allocation, terminal arrangements and panel dimensions.

Repair & replacement

Identify an existing unit or part

Identify a replacement ↗
What to prepare

Start with the device nameplate, wiring drawing and settings or battery data relevant to the replacement.

Illustrative enquiry scenarios.

Selection checklist for MKB-1000
  • Equipment being protected or supplied and the required functions
  • AC/DC supply, load duty and CT/PT input information as applicable
  • I/O list, trip/close circuits and communication protocol
  • Panel dimensions, interface language and required technical documents
  • Submit the secondary schematic and terminal requirements.
  • Identify trip/close circuits and status inputs.
  • Agree settings, communication points and functional checks.
  • For replacement, supply the original relay designation and terminal drawing.

From enquiry to an agreed supply

  1. Share the requirementModel, duty, quantity and destination.
  2. Review the configurationResolve ratings, interfaces and site conditions.
  3. Agree the technical scheduleScope, drawings, tests, price and delivery terms.
  4. Confirm delivery documentsAgree packing, identification and the applicable inspection records.

Testing, warranty terms and after-sales scope are to be agreed in the quotation and order documents for the selected configuration.

Product catalogue

Mingkong High & Low Voltage Switchgear Selection Guide · Updated 24 October 2026 · Chinese / English

Download PDF ↗

For a quotation, include your required model, rating, quantity and operating conditions.