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

12.0mm Barrier Terminal Blocks
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12.0mm Barrier Terminal Blocks

The 12.0mm Barrier Terminal Blocks is available with various connection technologies and as hybrid versions. Barrier connection technology provides a convenient to use, the high-performance connection that is reliable in any application. The barrier connection technology is subjected to tests that go beyond the basic standard testing, enabling barrier strip terminal block to be used in all sectors of industry, such as energy supply, transportation technology, and chemical, as well as shipbuilding industries.
  • EX TB250

The barrier strip filtered terminal block is designed to provide EMI/RFI filtering of AC and DC power lines and control lines. These filtered terminal blocks are available in various sizes with a terminal for soldering or spade lugs.

Main Features of 12.0mm Barrier Terminal Blocks

● Pin pitch range: 0.635-1.1 mm

● Position size: 2-30

● Clamp screws are best for bare wire applications.

● Acceptable wiring range: 10-30 US wire gauge (depending on the type).

● A full range of accessories, including jumpers, quick connection male terminals, and some safety covers.

● Provide binding head and wire clip screws; binding head screws are usually used with hardware such as QC male end and jumper.

● Common contact styles provide double-layer barriers and three-layer barriers: PCB pins, extended PCB pins, insulated extended PCB pins, winding, insulated winding, welding turret, plug-in welding turret, quick connection, insertion fast connection, and no punch-through.

The Applications of Barrier Terminal Blocks

With its simple, intuitive, and solid structure, the barrier terminal blocks are widely used in many electronic and electrical industries such as security monitoring, power supply, frequency converter, motor, motion control, injection molding machine control, programmable power supply, sensor control board, LED lamp lighting, industrial control equipment, power equipment, instrumentation and so on.

● Machine control

● Power supply

● Test and measurement

● Automation equipment

● Security/Alarm equipment

● HVAC control

● Garage door opener

● Furnace, water heater, boiler

● Industrial controls

● Instrumentation

● EDP equipment

Sun is top 10 barrier terminal block manufacturers in China, offering high quality and low price barrier strip terminal block, barrier terminal block connector, and barrier strip connector.





12.0 mm


M4.0Steel ,Ni plated

Pin header

Brass, Ni   Plated


PA66 UL94V-0


Rated   voltage


Rated   current


Withstanding   voltage

AC2000V/1   Min

Wire range


Contact   resistance


Insulation   resistance



Temp range





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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