Repeated wiring can slow your assembly line and make inspection difficult. The JINH CMK-42 series gives you several circuit configurations in one platform. You can standardize lighting and equipment wiring without tightening a screw at every connection point.
A Practical Connector Range for Repeated Wiring
When you assemble lighting products or electrical equipment, the connector affects more than the time required to join two wires. It changes how many parts you need to stock and how easily you can repeat the wiring process. It also affects how quickly you can inspect or rework a finished unit.
The CMK-42 series uses lever-operated spring connections. You open the lever, insert the prepared conductor, and close the lever to complete the connection. This tool-free process is useful when you repeat the same wiring operation many times each day.
The series includes compact models for a small number of circuits and wider models for multi-circuit wiring. This allows you to select the connection layout that matches the product instead of filling an enclosure with several unrelated connectors.
Choose the Circuit Count That Fits Your Assembly
The CMK-42 product family includes several circuit configurations. Representative models include:
| Model | Number of circuits |
|---|---|
| CMK-421 | 2 |
| CMK-422 | 4 |
| CMK-423 | 6 |
| CMK-424 | 8 |
| CMK-425 | 10 |
| CMK-421-2 | 3 |
| CMK-421-3 | 4 |
| CMK-421-4 | 5 |
| CMK-422-4 | 6 |
| CMK-422-6 | 8 |
| CMK-422-8 | 10 |
Do not choose a larger connector only because it provides spare positions. First check the circuit design, enclosure dimensions, conductor routing, and expected maintenance procedure. A compact model can save space, while a multi-circuit model can make repeated connections easier to organize.
You should also confirm whether the selected model uses independent connection paths or a common electrical potential. Similar-looking connectors may perform different circuit functions. Check the wiring diagram before approving a model for production.
Match the Connector to the Actual Conductor
CMK-42 models are designed for solid, stranded, and fine-stranded copper conductors within their specified ranges. Representative models in the series are rated at 450 V and 32 A. They cover flexible conductors from 0.08 to 2.5 mm² and rigid conductors from 0.2 to 4 mm², depending on the exact model.
The working temperature for the CMK-42 series is -40°C to 105°C. You must still evaluate the connector as part of the complete product. Actual operating current, conductor size, enclosure temperature, ventilation, and nearby heat-generating components can all affect your finished assembly.
Before you place a bulk order, test the connector with the same conductor construction, cross-section, insulation diameter, and stripping process used on your production line. A specification range on paper does not replace a sample test with your real wire.
Materials That Support Repeatable Connections
The CMK-42 series uses a PA66 connector shell and PA66 operating levers. Its conductive parts are made from tinned copper, while the contact spring uses SS301 stainless steel.
Each material has a different job:
- The PA66 housing provides electrical insulation and mechanical support.
- The operating lever opens the spring clamp so you can insert flexible conductors without forcing the strands into the port.
- Tinned copper conductive parts carry the electrical current through the connector.
- The stainless-steel spring maintains clamping pressure on the conductor.
When you compare suppliers, ask for the material specification of the exact model you plan to order. A similar housing color or shape does not prove that two connectors use the same metal thickness, spring material, or internal structure.
Where the CMK-42 Series Fits
Lighting assembly
Lighting products often require repetitive connections inside small housings, drivers, ceiling boxes, or distribution points. A suitable multi-circuit quick wire connector can help you keep these connections in a defined layout and reduce the time spent tightening individual screws.
Electrical equipment manufacturing
If you produce equipment in batches, a standardized connector can make the wiring process easier to repeat and inspect. You can follow the same strip, insert, close, inspect, and pull-test sequence for every unit.
Prototype and serviceable wiring
A lever-operated connector can be opened when you need to change a permitted conductor during testing or servicing. This is useful for prototypes and products that may need planned electrical access. Replace any connector that is cracked, overheated, contaminated, or no longer clamps correctly.
Junction boxes and compact enclosures
Multi-circuit models can reduce the number of separate components inside a junction box. However, you should check the connector dimensions, conductor bend radius, and available service space before finalizing the enclosure design.
What You Should Verify Before Bulk Purchasing
Use the following checklist when you compare models or suppliers:
- Confirm the conductor is copper and identify whether it is solid, stranded, or fine-stranded.
- Record the minimum and maximum conductor cross-sections used in the assembly.
- Confirm the required voltage, current, circuit count, and operating temperature.
- Check the model-specific strip length and product dimensions.
- Test representative samples with your actual wires and stripping equipment.
- Request documents that apply to the exact model and destination market.
- Confirm packaging quantity, production lead time, label requirements, and batch identification.
When you plan stock, select a product mix based on the applications you need to cover. Two- to five-circuit models may suit general maintenance and compact wiring. Six- to ten-circuit models can support more complex lighting and equipment assemblies. Avoid building inventory around one model simply because it has the most connection points.
Ordering and Customization Support
JINH can support product selection, samples, OEM packaging, and private-label requirements for eligible orders. To receive a useful recommendation, provide your conductor specifications, circuit drawing, expected annual quantity, target market, and packaging requirements.
You can review the CMK-422 electric compact splicing connector or use the quick wire connector selection guide before preparing your inquiry. More information about production and customization is available on the JINH connector manufacturing page.
Conclusion
The right CMK-42 model should match your wire, circuit count, enclosure, and assembly process. Send JINH your real conductor specifications and wiring requirements to compare models and arrange samples before bulk approval.
FAQ
Which CMK-42 connector should you choose for different circuit counts?
Start with your electrical diagram and count the connection circuits required at that point. The CMK-42 family includes configurations from two to ten circuits. Then confirm the electrical function, dimensions, conductor range, and available enclosure space of the exact model.
Can CMK-42 connectors accept both solid and stranded wires?
Yes, the series includes models designed for solid, stranded, and fine-stranded copper conductors. The permitted cross-section differs by conductor construction, so verify the model specification before use.
Can you connect different wire sizes in one CMK-42 connector?
You may use different permitted conductor sizes only when the exact model and circuit design allow it. Every conductor must remain within the stated range and be correctly inserted. Test the intended combination before approving production.
What is the working temperature of the CMK-42 series?
The specified working temperature is -40°C to 105°C. You should also evaluate enclosure temperature, operating current, ventilation, and nearby components in the completed product.
What strip length should you use?
Use the strip length printed on the connector or stated in the exact model datasheet. Do not apply one assumed strip length to every connector. After insertion, no bare copper should remain exposed outside the housing.
Can JINH provide customized labels and packaging?
OEM labels and packaging can be discussed for eligible orders. Provide your artwork, packaging format, order quantity, destination market, and labeling requirements when requesting a quotation.
How should you approve a sample for mass production?
Test the sample with your production wire, stripping equipment, enclosure, assembly method, and expected operating conditions. Record the approved model and process so you use the same specification for purchasing and production.
