One-stop connector and
wirng harness solution supplier
One-stop connector and
wirng harness solution supplier

Self-locking TB Series Terminal Block

Short Description:

The Self-locking TB series terminal block is an electrical connector designed for secure and reliable wire connections. It features a self-locking mechanism that ensures the wires remain securely in place once inserted into the terminal block, preventing accidental disconnections.

The Self-locking TB series terminal block provides a secure and convenient method for connecting wires in electrical circuits. Its self-locking feature ensures that the wires are held firmly in place once inserted into the terminal block, reducing the risk of loose connections or wire dislodgment.

Product Detail

Product Technical Drawing

Product Tags


Rated Voltage Typically rated for low to medium voltages, such as 300V or 600V, depending on the specific model and application.
Rated Current Available in various current ratings, ranging from a few amperes to several tens of amperes, depending on the terminal block size and design.
Wire Size Designed to accommodate different wire sizes, commonly ranging from 20 AWG to 10 AWG or higher, depending on the terminal block's specifications.
Number of Poles Available in various configurations, such as 2 poles, 3 poles, 4 poles, and more, to accommodate different wiring requirements.
Material The terminal block is typically made of high-quality materials like nylon or thermoplastic, ensuring excellent electrical insulation and mechanical strength.


Secure Connection: The self-locking mechanism prevents accidental wire disconnection, ensuring a stable and reliable electrical connection.

Easy Installation: The terminal block's design allows for quick and simple wire insertion and removal, making installation and maintenance more efficient.

Versatility: The terminal block's various configurations and wire size compatibility make it suitable for a wide range of applications with different electrical requirements.

Durability: The use of high-quality materials ensures the terminal block's durability, providing long-lasting performance even in demanding environments.



Application Field

The Self-locking TB series terminal block finds applications in various electrical and electronic systems, including:

Industrial Control Panels: Used in control panels and automation systems for secure wire connections between different electrical components.

Lighting Fixtures: Incorporated into lighting systems for reliable connections between power supply lines and lighting elements.

Household Appliances: Utilized in household appliances like washing machines, air conditioners, and ovens to connect internal electrical components.

Building Wiring: Deployed in building wiring systems to connect wires for power distribution and lighting circuits.

Production Workshop


Packaging & Delivery

Packaging Details
● Each connector in a PE bag. every 50 or 100 pcs of connectors in a small box (size:20cm*15cm*10cm)
● As customer required
● Hirose connector

Port: Any port in China

Lead time:

Quantity(pieces) 1 - 100 101 - 500 501 - 1000 >1000
Lead time (days) 3 5 10 To be negotiated


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