TRANSFORMERS & ELECTRICAL COMPONENTS
APPLICATION / 01
LV outgoing distribution
For feeder circuits requiring a selected moulded-case protective device.
MINGKONGmkelecsolution.com
Product illustration. Actual configuration varies by specification.
Open product image ↗Circuit Breakers
MKM1 · Moulded-case circuit breaker
Moulded-case circuit breaker for distribution and selected motor-protection duties.
- Voltage designation
- Low voltage
- Selection
- Rated current and breaking capacity
- Configuration
- Frame, trip rating, voltage and accessories by variant
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 MKM1 fits
MKM1 is a moulded-case circuit-breaker series for distribution protection and selected motor duties. Frame, pole arrangement, trip function and breaking-capacity category form part of the selection. Accessories and operating methods must be specified for the actual circuit.
APPLICATION / 02
Selected motor circuits
For applicable motor circuits with the required switching and protection arrangement; the breaker does not replace a motor starter or variable-speed drive.
PRODUCT ENGINEERING
Construction & operating functions
DETAIL / 01
Frame and breaking category
The frame and breaking-capacity category identify different configurations. Required fault duty must be checked against the exact selected variant.
DETAIL / 02
Trip arrangement
Instantaneous and combined trip arrangements are described. The required overload and short-circuit protection should be selected for the load.
DETAIL / 03
Three- and four-pole options
Four-pole variants can differ in neutral switching and protection. State the required neutral function instead of specifying pole count alone.
DETAIL / 04
Operating and accessory options
Direct, rotary and powered operating arrangements are described, together with auxiliary, alarm, shunt-trip and undervoltage accessories. The required combination must be checked for compatibility.
DEFINE THE SELECTED ASSEMBLY
Configuration & installation interfaces
Match the installation drawing, cable routes, clearances and electrical duty for the selected equipment.
Illustrative working scene- Load and fault duty
- Provide operating voltage, load current, starting duty and prospective fault level.
- Poles and protection
- Specify neutral requirements and trip functions.
- Accessories
- Identify operating method, release voltages and contact functions.
Installation & connection checklist
- Provide mounting dimensions and terminal arrangement.
- For replacement, supply the full existing designation and nameplate.
- Identify accessory wiring and operating-handle interfaces.
- Confirm the exact variant rating instead of applying one rating to the entire series.
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
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
Specify electrical duty, installation arrangement and the required protection coordination.
Distributor procurement
Model lists & repeat orders
Discuss supply requirements ↗What to prepare
List complete breaker variants, pole counts, control voltages and accessory combinations.
Panel & equipment builders
Equipment integration & matching
Discuss an assembly ↗What to prepare
Provide mounting, terminals, operating mechanism and secondary wiring interfaces.
Repair & replacement
Identify an existing unit or part
Identify a replacement ↗What to prepare
Start with the complete nameplate and photos of terminals, mounting, secondary plug and accessories.
Illustrative enquiry scenarios.
Selection checklist for MKM1
- Nameplate and exact existing variant when replacing equipment
- Voltage, current, short-circuit duty and protection settings
- Pole spacing, mounting dimensions and terminal arrangement
- Operating/control voltage, trip functions and auxiliary contacts
- Provide mounting dimensions and terminal arrangement.
- For replacement, supply the full existing designation and nameplate.
- Identify accessory wiring and operating-handle interfaces.
- Confirm the exact variant rating instead of applying one rating to the entire series.
From enquiry to an agreed supply
- Share the requirementModel, duty, quantity and destination.
- Review the configurationResolve ratings, interfaces and site conditions.
- Agree the technical scheduleScope, drawings, tests, price and delivery terms.
- 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.
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Mingkong High & Low Voltage Switchgear Selection Guide · Updated 24 October 2026 · Chinese / English
For a quotation, include your required model, rating, quantity and operating conditions.