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450V 32A terminal block
CMK412 2 Circuit Push-in Wire Connector – Compact Quick Connect Terminal Block for Electrical Wiring
CMK 412
JINH CMK412 is a compact 2 circuit push-in wire connector designed for fast and reliable electrical connections. Made with a Polyamide PA66 housing and operating levers, tinned copper conductive parts, and AISI 301 stainless steel contact springs, it supports 0.08–2.5mm² flexible wires and 0.2–4mm² rigid wires. With a rated current of 32A and a compact design, CMK412 is suitable for lighting, junction boxes, control equipment, electrical cabinets, and general wiring applications.
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CMK412 2 Circuit Push-in Wire Connector for Efficient Electrical Wiring

TheJINH CMK412 push-in wire connector is a compact two-circuit electrical connection component developed for wiring applications where convenient installation, stable contact, and efficient use of space are important. As the 2-circuit model in the JINH CMK41 series, CMK412 provides a practical alternative to conventional screw-type terminal blocks for lighting systems, electrical equipment, control panels, junction boxes, and general wiring applications.

The connector uses a push-in connection structure combined with orange operating levers. This design allows installers to work with the connection point directly rather than relying on traditional screw tightening. For repetitive wiring tasks, a simple operating method can help reduce unnecessary installation steps and make electrical work more convenient.

With two independent circuits in one compact housing, CMK412 is designed for applications where several conductors need to be connected while keeping the overall connection area organized.

Compact 2-Circuit Design

CMK412 provides 2 independent circuits within one compact connector.

The two-circuit configuration makes the product suitable for common electrical connection tasks where a small number of conductors need to be connected in a limited area.

Compared with using several separate connection components, a compact two-circuit terminal can help keep the wiring arrangement more organized. This can be useful inside junction boxes, lighting equipment, electrical cabinets, control panels, and equipment enclosures.

The compact structure is also suitable for applications where installation space is limited. When multiple components are installed inside the same enclosure, reducing the space required by each connection point can make overall wiring easier to arrange.

Push-in Connection for Faster Installation

The main operating feature of CMK412 is its push-in quick connection structure.

Instead of using a conventional screw to secure the conductor, the installer can operate the orange lever and insert the prepared wire into the appropriate connection position.

This approach can be particularly useful for repetitive electrical wiring work. Electricians and installers can perform connections with fewer manual tightening steps, helping make installation more straightforward.

The orange operating levers also provide a clear visual indication of the connection positions. During maintenance or wiring changes, the lever mechanism can be operated to release the conductor, making adjustments more convenient.

For electrical contractors and equipment manufacturers, this type of connection structure can be useful when installation efficiency is an important consideration.

PA66 Housing and Reliable Internal Materials

Material selection is an important part of the CMK412 design.

The connector housing is manufactured from Polyamide PA66, a commonly used engineering material for electrical components. It provides mechanical strength and durability for the connector body.

The operating levers are also made from Polyamide PA66, allowing the same material system to be used for the main operating components.

Inside the connector, the conductive parts are made from tinned copper. Copper provides good electrical conductivity, while the tin-plated surface helps protect the conductive material during normal use.

The contact springs are manufactured from AISI 301 stainless steel. The spring component provides the mechanical force required to maintain contact with the conductor.

The combination of PA66, tinned copper, and AISI 301 stainless steel provides a practical material structure for electrical connection applications.

Wide Wire Compatibility

CMK412 is designed to accommodate both flexible and rigid conductors.

According to the product specification, the supported wire ranges are:

  • Flexible wire:0.08–2.5mm²
  • Rigid wire:0.2–4mm²
  • Overall connection capacity:0.08–4mm²

This wire compatibility allows CMK412 to be used across different electrical wiring requirements.

The connector supports smaller flexible conductors while also accommodating rigid wires up to 4mm². This makes the 2-circuit terminal suitable for a variety of lighting, equipment, and general electrical connection applications.

The recommended wire stripping length is 10mm / 0.39 inch. Proper wire preparation is important to ensure that the conductor is inserted correctly into the connection position.

Electrical Performance

CMK412 is designed for electrical connection applications requiring a compact and reliable terminal solution.

The main specifications include:

  • Product code:CMK412
  • Number of circuits:2
  • Flexible wire range:0.08–2.5mm²
  • Rigid wire range:0.2–4mm²
  • Connection capacity:0.08–4mm²
  • Rated current:32A
  • Rated voltage:450V*
  • Housing material: Polyamide PA66
  • Lever material: Polyamide PA66
  • Conductive parts: Tinned copper
  • Contact springs: AISI 301 stainless steel
  • Electrical connection type:Equipotential
  • Working temperature: -20°C to 85°C
  • Stripping length: 10mm / 0.39 inch

*The product image contains a voltage discrepancy: the specification table indicates 450V, while the upper technical description indicates 415 VAC. The final website specification should follow your confirmed datasheet/certification value.

Suitable for Lighting and Electrical Applications

CMK412 can be used in a wide range of low-space electrical connection applications.

Typical applications include:

  • LED lighting systems
  • Indoor lighting
  • Commercial lighting
  • Junction boxes
  • Building electrical wiring
  • Electrical control panels
  • Electrical cabinets
  • Equipment internal wiring
  • Automation equipment
  • Household appliances
  • General electrical installations

For lighting applications, the compact two-circuit design can help organize connections inside lighting fixtures and junction boxes.

For control equipment and electrical cabinets, the push-in connection structure can make installation and later wiring adjustments more convenient.

The connector can also be used by equipment manufacturers that need compact connection components for internal electrical wiring.

Convenient Alternative to Traditional Screw Terminals

Traditional screw terminal blocks are widely used because they provide a familiar method for securing electrical conductors. However, screw connections require manual tightening during installation.

CMK412 offers another approach through its push-in connection structure and operating levers.

For repetitive wiring work, reducing the number of screw-tightening operations can help simplify the installation process. When a circuit needs to be checked or modified, the operating lever also provides convenient access to the connection point.

This makes CMK412 a practical option for applications where fast wiring, compact installation, and convenient maintenance are important.

Rather than being designed for every possible terminal application, CMK412 is intended as a compact connection solution for suitable electrical wiring projects.

JINH CMK41 Series Push-in Quick Connectors

CMK412 is part of the JINH CMK41 series push-in quick connectors, which includes four circuit configurations:

  • CMK412 – 2 circuits
  • CMK413 – 3 circuits
  • CMK414 – 4 circuits
  • CMK415 – 5 circuits

The four models share the same general connection concept while providing different circuit quantities.

This gives customers the flexibility to select a suitable model according to the number of conductors required for their specific application.

JINH specializes in the manufacturing of electrical connectors, wire connectors, terminal blocks, and other electrical connection products.

We support distributors, wholesalers, electrical contractors, equipment manufacturers, and other professional customers in international markets.

JINH can also provide OEM and ODM services, including customized product specifications and packaging solutions according to project requirements.

With its compact two-circuit configuration, push-in connection structure, PA66 housing, tinned copper conductive parts, and AISI 301 stainless steel contact springs, CMK412 provides a practical solution for efficient electrical wiring in lighting, equipment, control, and general electrical applications.