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Specializes in the production of terminal blocks and industrial electrical connection products.

China 2.5mm Spring Terminal Block
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China 2.5mm Spring Terminal Block

China 2.5mm Spring Terminal Block is used to realize wire to wire, wire to board, board to board connection, which is divided into the pluggable type and fixed type. China 2.5mm Spring Terminal Block provides a flexible solution for all the wiring requirements of device manufacturers and PCB processors. Together with the electronic housings, both ranges open up an infinite number of possibilities for "packing" printed circuits efficiently, and for connecting them with the device peripherals.
● High density - mini-connectors with small dimensions
● High power - transmission of up to 125 A UL
● High flexibility - stack-able to accommodate many pole counts on different planes

The China 2.5mm Spring Terminal Block range now features a new highlight which considerably reduces the wiring required for power electronics. The pre-stressed spring is opened using a screwdriver so the conductor can be inserted into the insertion space through an opening in the spring leg.  The conductor is pulled against the current bar under the spring force when the screwdriver is removed. The ferrule and single-strand wires can be inserted directly without handles, and smaller wires can be secured by using the handle to open the clips. Due to the direction and alignment of the wires, these blocks are suitable for use with small space and can be combined in any numbers. 

SUN, as famous terminal block manufacturers in China, has various terminal block connector for your options: barrier terminal blocks, screw terminal block connector, PCB terminal block connector, plug-in connector blocks, etc. SUN relies on an excellent technical team and perfect management system to establish ourselves in China and radiate international markets such as Europe, America, and Southeast Asia. We use of international advanced management methods and advanced production equipment, and our PCB spring terminal blocks through China CQC certification, UL, CE international certification, in line with RoHS testing standards, and the company passed With ISO9001 management system certification. In addition to the global sales of our own brands, we also provide OEM design and processing (OEM / ODM) business, strong production delivery capabilities, which let us have more wholesale PCB spring terminal blocks and price advantages.

The Advantages of China 2.5mm Spring Terminal Block

● Push-in spring technology for fast wire assembly

● Easy push-button operation for quick wiring

● Compact overall dimensions help to fit connections in tight spaces

● Superior wire retention in high vibration applications allows for 

improved performance

● Quick service or changeover results provide sustainable advantage and labor cost savings

● Modular housing design allows for flexibility in the number of positions and color to meet unique design requirements

● Modular blocks supply the main block and the endplate offers customization to specific size requirements

● An automated process capable in temperatures up to 270°C

● Quality assured due to 100% visual inspection

Sun is a professional terminal block manufacturers, providing high-quality and low price PCB spring terminal blocks, PCB terminal block connector, spring terminal block connector.





2.5 mm



Wire guard

Phosphor   bronze, Ni plated

Pin header

Brass, Tin   Plated


PA66 UL94V-0


Rated   voltage


Rated   current


Withstanding   voltage

AC1500V/1 Min

Wire range



Temp range


Max   soldering

+250   5 Sec

Strip length



Sun Electric Co., Ltd
Founded in 2011, Sun Electric Co., Ltd specializes in the production of terminal blocks and industrial electrical connection products.

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 Add: Wufeng Industrial Zone, Qiaotou Town, Cixi City, Ningbo City, Zhejiang Province, China
 Tel: +86-0574-87290036
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