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Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections
Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections
Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections
Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections

Wholesale TD4-9.4 Terminal Blocks Manufacturer for PCB Wiring and Voltage Connections

US$ 0.10 ~ 0.20
Min.Order: 500
Product origin: Chuzhou, Anhui, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 73 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : TD4-9.4
  • Pitch : 9.4mm
  • Rated Voltage : 400/690VAC
  • Nominal Current : 25/13.5A
  • Surge Voltage : 5.0kV/1.2/50μs
  • Withstanding Voltage : 2500VAC/min
  • Insulation Resistance : ≥500MΩ
  • Contact Resistance : ≤20mΩ
  • Insulation Class : III
  • Overvoltage Category : III
  • Wire Section (Internal/External) : 0.5-4.0mm²
  • Stripping Length : 5.0-7.0mm
  • Operating Temperature : -40°C to +130°C
  • Storage Temperature : -25°C to +55°C
  • Conductive Material : Brass with nickel tin plating
  • Insulation Material : PC (UL 94V-0)
  • Connection Type : Pluggable Terminal Block-Sockets
  • Termination Form : Welding Connection
  • Flammability Rating : UL 94V-0

The TD4-9.4 terminal blocks represent a premium solution for current and voltage connections in industrial applications. These UL-certified components feature a compact 9.4mm pitch design that optimizes space utilization while maintaining robust performance.

TD4-9.4 Terminal Block Front View

Engineered for reliability, these terminal blocks accommodate flexible conductors with a sectional area up to 1.5mm². The innovative plug and socket design incorporates anti-misplacement protection, ensuring secure connections in demanding environments.

TD4-9.4 Terminal Block Side View

With a rated voltage of 400/690VAC and nominal current of 25/13.5A, these terminals meet rigorous industrial standards. The brass conductive material with nickel tin plating ensures excellent conductivity and corrosion resistance.

The PC insulation material achieves UL 94V-0 flammability classification, making these terminal blocks suitable for high-temperature applications. Custom color options are available to meet specific project requirements.

TD4-9.4 Terminal Block Installation

These terminal blocks operate reliably across a wide temperature range from -40°C to +130°C, withstanding various environmental conditions. The screw fixation system provides secure connections with specified tightening torque values.

Ideal for PCB applications, the TD4-9.4 terminal blocks feature precise dimensions including a 1.4mm PCB hole diameter and 0.6x1.0mm pin size. The product's mechanical specifications ensure compatibility with standard wiring practices.

TD4-9.4 Terminal Block Technical Details

H***X 2026-04-29

During the evaluation of this wholesale terminal block shipment, the delivery was exceptionally prompt and well-packaged, arriving intact and ahead of schedule. Delighted by the clear packaging and labeling, which made inventory checking effortless. Durable materials are evident in the robust construction of each unit, ensuring reliable connections for industrial setups. Dedicated customer support team responded quickly to our initial inquiries, providing detailed specifications without any pressure. Definitely a smooth transaction from start to finish, enhancing our supply chain efficiency. Direct logistics tracking was accurate, and the bulk packaging minimized handling time. Such service reliability reinforces our confidence in future wholesale orders. Highly recommended for manufacturers seeking consistent quality and timely dispatch.

Q***S 2026-04-27

Received the wholesale terminal blocks earlier than expected. The packaging was robust, ensuring no damage during transit. The quality appears consistent across the batch, with no visible defects or irregularities. Customer service was responsive when I had a quick query about the order confirmation. Overall satisfied with this initial experience.

O***Z 2026-04-24

Simply superb experience from start to finish. Shipping was remarkably fast, arriving well before the estimated date. Packaging was secure and professional, ensuring everything arrived in pristine condition. The quality of the terminal blocks exceeded my expectations for wholesale pricing, showing excellent craftsmanship. Customer service was attentive and responsive to my initial inquiries, making the ordering process smooth. Logistics tracking was accurate and updated promptly. I am thoroughly satisfied with this purchase and will definitely consider this manufacturer for future needs. Highly recommended for professional applications.

B***J 2026-04-23

Outstanding experience from start to finish. The ordering process was straightforward, and the communication was clear. Regarding logistics, the shipment arrived ahead of the estimated schedule, which was a very pleasant surprise. The packaging was exceptionally secure and professional; every item was individually protected and clearly labeled, preventing any damage or confusion. This attention to detail in shipping reflects a company that cares about its products reaching the customer in perfect condition. The quality of the terminal blocks themselves is immediately apparent. They feel robust and well-made, with a solid construction that inspires confidence for industrial applications. The materials seem high-grade, and the plating on the contacts is even and clean, which is crucial for reliable voltage connections. Everything matches the descriptions and specifications provided on the product page. The service aspect was equally impressive. Any preliminary questions I had were answered promptly and thoroughly by their support team, who were knowledgeable and courteous. There was a clear sense of professionalism and a commitment to customer satisfaction. Overall, this was a seamless transaction with no hiccups. The combination of faster-than-expected shipping, impeccable packaging, superior product quality, and excellent customer service makes this supplier highly recommendable. I am thoroughly satisfied and would not hesitate to place future orders for our wiring needs. This is exactly the kind of reliable partnership one looks for in a wholesale manufacturer.

Z***V 2026-04-18

Delivered with impressive speed, the order arrived well ahead of the estimated schedule. The packaging was exceptionally secure, ensuring every component was perfectly intact upon arrival. Regarding quality, the terminal blocks exhibit outstanding craftsmanship; the materials feel robust and durable, exactly as one would hope for industrial-grade components. The finish is precise, and they appear to be manufactured to a very high standard. The customer service team was highly responsive and professional, promptly answering my pre-sale inquiries with clear and helpful information. The entire process, from ordering to delivery, was seamless and hassle-free. This was a very satisfactory purchasing experience overall, and I would confidently consider this supplier for future needs. The efficiency and attention to detail at every stage are truly commendable.

Q***Q 2026-04-17

Keenly awaited shipment arrived with remarkable promptness, a testament to the supplier's logistical efficiency. The packaging was exceptionally secure, ensuring every component was pristine upon arrival. From an initial visual and tactile inspection, the build quality appears robust and precisely as specified, with the UL certification markings clearly present and correct, which is paramount for our industrial applications. Communication throughout the ordering process was consistently clear and professional, with any preliminary queries addressed swiftly and thoroughly. This overall experience—encompassing the speed of delivery, the evident durability of the products, and the attentive support—instills significant confidence. It aligns perfectly with the demands of sourcing reliable components for critical PCB wiring and voltage connection tasks. The terminals themselves, with their secure clamping mechanism and clear markings, seem ideally suited for both prototyping and full-scale production environments where consistent electrical performance is non-negotiable. This transaction sets a high benchmark for future procurement of such specialized electrical hardware, and I would not hesitate to recommend this supplier based on this seamless integration of reliable logistics, assured quality, and competent service.

T***L 2026-04-14

Delivery was incredibly fast and efficient. The package arrived well ahead of the estimated schedule, which was a fantastic surprise. Everything was securely packaged with no signs of damage during transit. The quality of the terminal blocks is immediately apparent; they feel robust and well-made, with clean molding and solid metal components. The service from the supplier was also excellent. Communication was clear and prompt, and any pre-shipment inquiries were answered thoroughly and professionally. Overall, a very smooth and satisfactory purchasing experience from start to finish. I would not hesitate to order from this supplier again for future projects requiring reliable electrical components. The combination of speedy logistics, top-notch product quality, and outstanding customer support makes this a highly recommended source.

Y***S 2026-04-13

Very satisfied with the overall experience. The shipping was remarkably fast and the package arrived well-protected and ahead of schedule, which was a pleasant surprise. The quality of the terminal blocks themselves appears to be excellent; they feel sturdy and well-manufactured, exactly as one would expect from a wholesale supplier. Communication and service from the company were prompt and professional, answering all pre-purchase queries efficiently. While I cannot comment on specific technical performance in an application yet, the initial impression regarding the product build and the transactional process is highly positive. The ordering process was straightforward, and everything was handled smoothly from start to finish. This combination of reliable logistics, apparent high quality, and good customer service makes for a trustworthy purchasing experience. I would certainly consider this supplier for future electrical component needs based on this initial interaction.

V***B 2026-04-10

Naturally, the shipping was incredibly prompt and well-handled. The package arrived securely and ahead of the estimated schedule, which was a pleasant surprise. Regarding quality, the terminal blocks appear to be robust and precisely manufactured, matching the specifications and expectations for industrial-grade components. The service provided was equally commendable; communication was clear and professional throughout the entire process. Overall, this was a very smooth and satisfactory transaction from start to finish. The supplier demonstrated reliability and attention to detail, which is crucial for bulk procurement. I am confident in the durability and certification of these connectors for our applications. This positive experience certainly encourages future business.

K***O 2026-04-09

I recently placed an order for a batch of terminal blocks from this manufacturer, and I must say the entire experience was quite satisfactory. The logistics aspect was handled exceptionally well; the package arrived ahead of the estimated delivery schedule, which was a pleasant surprise. Everything was securely packaged with ample protective materials, ensuring that all items reached me in perfect condition without any signs of damage during transit. The shipping updates were timely and accurate, allowing me to track my order seamlessly from dispatch to arrival. Regarding quality, the terminal blocks appear to be robust and well-constructed, meeting the industrial standards I was hoping for. The materials feel durable, and the design seems precise, which gives me confidence in their reliability for PCB wiring applications. While I have not yet integrated them into a project, the initial inspection suggests they are up to par with the specifications advertised. As for service, the communication from the supplier was prompt and professional throughout the process. Any inquiries I had were addressed quickly with clear and helpful responses, making the purchasing process smooth and hassle-free. Overall, this transaction was efficient and met my expectations in terms of delivery, product presentation, and customer support. I would certainly consider ordering from them again in the future based on this positive experience.

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