China Terminal Block Manufacturers Factory - Customized Terminal Block Made in China

Your Leading Terminal Block Supplier

Ningbo Xucheng Electronics Co.,Ltd was formerly Ningbo Xuchuang Electronic Factory, established in 2014. The total ares of company is about 7000 square maters and has more than 200 employees. PCB Screw Terminal block, PCB Spring Terminal Block, Plug-in Terminal block, Rail Type Terminal Block, Barrier Terminal Block, Pin and Busbar, Nation standard electronic line, Nation standard twisted wire, Nation standard power line and other products. Products are widely used in aerospace, rail transportation, shipbuilding, machinery, metallurgical chemical, power communication, electrical control and other fields.

XCDS-2.5 Disconnect Terminal Block
The XCDS-2.5 is a 2.5 mm^2 knife-disconnect terminal block engineered for industrial control panels where safe, visible circuit isolation is required. Featuring an integrated disconnect lever, it...
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XCDS-25 Disconnect Terminal Block
The XCDS-25 Disconnect Terminal Block is engineered for industrial control panels, instrumentation circuits, and automation systems requiring secure signal isolation and routine testing. Featuring...
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XCDS-10 Disconnect Terminal Block
The XCDS-10 is a 10 mm2 (6 AWG) knife disconnect terminal block designed for 35 mm DIN-rail mounting in industrial control panels, instrumentation loops, and power distribution systems. It...
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XCDS-16 Disconnect Terminal Block
The XCDS-16 is a 16 mm2 knife-disconnect terminal block engineered for safe, tool-operated circuit isolation in industrial control panels. Featuring a hinged disconnect blade, it allows...
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XCDS-6 Disconnect Terminal Block
The XCDS-6 is a 6 mm² slide-type disconnect terminal block for electrical control panels, switchgear, and power distribution assemblies.
The terminal block uses an M4 bolt connection for...
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XCDS-4 Disconnect Terminal Block
The XCDS-4 is a 4 mm², 6.2 mm wide DIN rail-mounted knife disconnect terminal block. Engineered for industrial control and instrumentation circuits, it allows technicians to isolate individual...
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XCF-25 Fuse Terminal Block
The XCF-25 is a DIN-rail mount fuse terminal block for industrial control panels, motor control centers (MCC), and low-voltage power distribution applications. It combines conductor termination...
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XCF-16 Fuse Terminal Block
The XCF-16 Fuse Terminal Block combines fuse protection and wire termination in a compact DIN rail-mounted terminal block for industrial control panels and electrical cabinets.
The terminal...
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XCF-10 Fuse Terminal Block
The XCF-10 Fuse Terminal Block is a DIN rail-mounted terminal block designed for industrial control panels, machine building, and electrical distribution applications requiring a compact...
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XCF-6 Fuse Terminal Block
The XCF-6 Fuse Terminal Block is a DIN rail mounted terminal block with an integrated fuse holder for electrical control panels, control circuits, and low-voltage power distribution...
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XCF-4 Fuse Terminal Block
The XCF-4 Fuse Terminal Block is a single-level, screw-clamp DIN-rail terminal block for industrial control and auxiliary circuits requiring an integrated fuse connection. It accommodates standard...
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XCF-2.5 Fuse Terminal Block
The XCF-2.5 is a 2.5 mm² screw-connection fuse terminal block for industrial control panels, PLC circuits, machinery control systems, and low-voltage power distribution applications. It combines a...
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Why Choose Us?

Advanced production equipment

Over 50 injection molding machines support stable output. Many machines ensure high efficiency and accuracy.

Strong R&D capability

A professional R&D laboratory supports product design. Continuous testing improves quality and performance.

Competitive price

We control cost through efficient production and automation. Stable supply and large capacity help us offer reasonable and competitive prices.

Best service

We provide fast response and professional support. From order to delivery, we focus on clear communication and customer satisfaction.

Types Of Terminal Blocks

Screw terminal blocks: These are the most common type of terminal blocks, which use screws to clamp the wires and create an electrical connection. They are suitable for applications where wires need to be frequently replaced.

Spring terminal blocks: This type uses spring force to secure the wires, allowing for quick connection and disconnection without tools. They are ideal for applications that require fast installation and removal.

Barrier terminal blocks: These terminal blocks have multiple adjacent connection points, resembling a barrier structure, making them suitable for multi-wire connections. They are commonly used in distribution panels and control boxes.

European-style terminal block: Euroblock typically feature screws and can connect multi-strand wires. They are suitable for industrial control systems and automation equipment.

PCB terminal blocks: These terminal blocks are directly soldered onto a printed circuit board (PCB) to connect external wires to circuits on the board.

Din rail terminal blocks: Designed for mounting on din rails, these terminal blocks facilitate standardized installation and management within control cabinets.

Waterproof terminal blocks: Specifically designed for outdoor or humid environments, these terminal blocks have excellent sealing properties to prevent moisture and dust ingress.

High voltage terminal blocks: Used for connecting high-voltage lines, these terminal blocks feature high insulation performance and withstand high voltage.

High current terminal blocks: Designed to carry high currents, these terminal blocks typically have a larger contact area and heat dissipation capability.

Modular terminal blocks: These terminal blocks allow for the combination of modules with different functions, such as signal terminals and power terminals, providing flexible configuration options.

Benefits of Using Terminal Blocks

Improved safety: By securely connecting wires and providing electrical isolation, terminal blocks significantly reduce the risk of electrical shocks, fires, and short circuits.

Enhanced efficiency: These components streamline the wiring process, saving time and labor costs. Their modular design allows for easy expansion and modification of electrical circuits.

Better organization: Terminal blocks help maintain a neat and organized wiring system, improving overall system performance and facilitating troubleshooting.

Versatility: Available in various configurations, terminal blocks can be used in a wide range of applications, from industrial control panels to residential electrical systems.

Application of Terminal Block

Manufacturing sector:
Terminal blocks simplify machinery and equipment wiring, enhancing production efficiency.

Automation:
Terminal blocks facilitate secure connections between control systems and sensors, ensuring smooth operation and monitoring.

Transportation industry:
Terminal blocks connect wiring systems in vehicles, contributing to the reliability and safety of transportation, including planes, trains, and automobiles.

Terminal Block Specifications and Electrical Considerations

Orientation

You will find terminal connectors in three main types: vertical, horizontal, and 45 degrees. Vertical and horizontal types are also known as 180-degree- and 90-degree types.

Contact type

Terminal contact, or position or pole, indicates the wire attached to the block. Depending on the number of cables attached, a typical block can accommodate from single to 24 circuits or more.

Wire size and type

Terminal blocks accommodate wire ranging from 184 to 2412 AWG, where AWG (American Wire Gauge) is used in North America. You should know the wire size that will fit the block and its type.

Rating

The current rating is essential when deciding to use connectors. It is recommended to use connectors capable of bearing 150% of the current expected to flow within the system.

Pole count

The number of circuits within a terminal block is known as pole count; it ranges from single to 24 or beyond, depending on the application requirements.

Mounting

Blocks are typically mounted on rails, PCB (Printed Circuit Board) or screwed onto panels.

Termination type

Block connectors use several termination methods like spring or screw clamps, IDC (Insulation displacement connections), or tab connections to connect wires.

Packaging and transportation

productcate-755-362

Our Certificate

FAQ

Q: Are terminal blocks safe?

A: Yes, terminal blocks are generally safe when used correctly. They are designed to provide secure, reliable electrical connections, helping to minimize the risks of loose connections, electrical shorts, and fire hazards. Terminal blocks feature insulation to protect against accidental contact and are designed to handle specific current, voltage, and environmental conditions. However, to ensure optimal safety, it’s essential to choose the correct type of terminal block for the application, install it properly, and follow safety standards.

Q: How do i choose the right terminal block for my project?

A: Several factors must be considered when choosing the most appropriate option for a given application, including current and voltage requirements, wire size, environmental performance, and scalability.

Q: When should you use a terminal block?

A: Terminal blocks are essential for organizing and connecting multiple wires, making reliable connections, simplifying maintenance and upgrades, reducing the risk of electrical faults, and helping meet compliance and electrical safety standards.

Q: Which terminal block types are best for high-vibration environments or mobile applications?

A: Spring-cage and push-in terminal blocks are generally better suited for high-vibration environments because they maintain tension without relying on screws that can loosen over time. These designs provide secure, maintenance-free connections ideal for mobile equipment, vehicles, or machinery exposed to constant motion.

Q: Are terminal blocks only used in electrical applications?

A: Terminal blocks aren't only used in electrical applications. They've a wide range of uses in various industries.They provide a convenient and secure way to connect and disconnect wires, making them versatile and essential components in many systems.

Q: Can terminal blocks be easily replaced or reconfigured?

A: Yes, terminal blocks can be easily replaced or reconfigured. They're designed to be modular, allowing for quick and convenient changes. Simply disconnect the wires, remove the old block, and install the new one.

Q: Are there any safety considerations when using terminal blocks?

A: When using terminal blocks, there are indeed safety considerations to keep in mind.Make sure to follow proper installation procedures, Handle wires carefully, Avoid overloading the terminal block to prevent any accidents.

Q: Is there a difference between DIN rail and panel-mounted terminal blocks?

A: DIN rail-mounted terminal blocks easily clip onto the standard metal DIN rails. This makes them easy to install without tools. As for the panel-mounted terminal blocks, you have to attach them to a panel with screws. This leaves you with a strong mechanical stability key for rugged applications.

As one of the most professional terminal block manufacturers in China, we're featured by quality products and good service. Please rest assured to buy bulk customized terminal block made in China here from our factory. Contact us for pricelist and free sample.