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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 : 50 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

U***E 2026-01-28

Outstanding experience from start to finish. The shipping was remarkably fast and efficient, arriving well ahead of the estimated delivery window. Everything was packaged with exceptional care, ensuring all components were perfectly secure and undamaged. 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 finish is clean, and the materials seem to be of a high grade. Communication and service from the manufacturer were equally impressive. Any pre-shipment inquiries were answered promptly and thoroughly with clear, professional correspondence. This level of attention to detail in logistics, product integrity, and customer support is commendable and exactly what one hopes for in a wholesale supplier. It reflects a company that values reliability and customer satisfaction highly. Based on this seamless transaction and the evident quality of the goods received, I would not hesitate to place future orders or recommend them to colleagues seeking reliable electrical components. The overall process was smooth, professional, and entirely satisfactory.

Y***W 2026-01-26

Unbelievably swift and professional delivery service from this manufacturer. Upon placing my order for the terminal blocks, the logistics process was initiated with impressive speed. The items were packaged with exceptional care, ensuring that every single terminal block arrived in pristine condition without any signs of damage or mishandling during transit. The shipping updates were consistently accurate and timely, which made tracking the entire journey from their warehouse to my facility incredibly straightforward and stress-free. Regarding the quality of the products, I must express my utmost satisfaction. The terminal blocks exhibit superior craftsmanship and robust construction, clearly reflecting the high standards promised. Each component feels durable and reliable, perfectly suited for demanding industrial applications. The finish and precision in manufacturing are immediately noticeable, instilling confidence in their performance and longevity for PCB wiring and voltage connections. As for customer service, the team was outstandingly responsive and helpful throughout the entire process. Any inquiries I had prior to and after the purchase were addressed promptly and with great expertise. They provided clear, detailed information and demonstrated a genuine commitment to ensuring customer satisfaction. The overall experience has been seamless and highly commendable, making them a top-tier supplier in my book for industrial electrical components.

T***W 2026-01-25

Brisk delivery was the first positive note; the order arrived well ahead of the projected schedule, which was a welcome surprise for our production timeline. The packaging was secure and professional, ensuring all components were protected in transit. Regarding quality, the build of these terminal blocks is robust and precise. The materials feel durable, and the connections are solid, exactly as one would hope for from UL-certified components. They fit perfectly into our PCB designs without any issues. The service aspect was equally commendable. Communication was clear and proactive, with any preliminary queries addressed promptly and thoroughly. Overall, a very satisfactory procurement experience from logistics through to the product itself. The reliability of these connectors gives us confidence in their application for critical voltage connections in our industrial assemblies. This supplier has certainly met our expectations for both product integrity and operational efficiency.

T***T 2026-01-25

Xcellent experience with this wholesale order. The shipping was incredibly fast and efficient, arriving well ahead of the estimated schedule, which was a huge relief for our project timeline. The packaging was secure and professional, ensuring all items arrived in perfect condition without any damage. Regarding quality, the terminal blocks feel robust and well-made, with solid construction that inspires confidence for industrial applications. The finish is clean, and the materials seem to be of high grade. Customer service was responsive and helpful throughout the ordering process, promptly answering my inquiries about bulk pricing and certifications. They provided clear documentation and were very professional. Overall, a very smooth transaction from a reliable supplier. I am thoroughly satisfied and would not hesitate to place another order in the future based on this positive experience with logistics, product quality, and support.

W***N 2026-01-21

I was thoroughly impressed with the overall experience. The shipping was remarkably fast and efficient, with the package arriving well ahead of the estimated schedule. The items were securely packaged, showing clear attention to detail in preventing any transit damage. Regarding the quality, the terminal blocks feel robust and well-constructed, with solid materials that inspire confidence for industrial applications. The finish is clean, and the connections appear precise. Customer service was responsive and professional, promptly answering my pre-purchase inquiries with helpful information. This combination of reliable logistics, apparent high manufacturing standards, and supportive service makes for a very satisfactory procurement process. I would certainly consider this supplier for future needs based on this positive experience.

O***K 2026-01-21

C***L 2026-01-13

A truly satisfactory experience from start to finish. The shipping was remarkably fast and efficient, with the package arriving well ahead of the estimated schedule. Everything was packed securely with no signs of damage, which is always a primary concern. Regarding the quality, the terminal blocks appear to be exceptionally well-made. The materials feel robust and durable, exactly as one would hope for in industrial electrical components. The construction is solid, and the finish is clean and professional. The service provided was outstanding as well. Communication was clear and prompt, and any pre-shipment inquiries were handled with great courtesy and expertise. The overall process was seamless. This combination of reliable logistics, apparent high quality, and excellent customer support makes for a very positive procurement experience. I am confident in the products received and would not hesitate to consider this supplier for future needs.

B***R 2026-01-11

Logistics were handled exceptionally well, with the order arriving ahead of the estimated schedule. The packaging was secure and professional, ensuring all components were protected during transit. The communication regarding shipping updates was clear and timely, which I greatly appreciate. Regarding quality, the terminal blocks appear to be manufactured to a high standard. The materials feel robust and durable, suitable for industrial applications. The plating and construction suggest good corrosion resistance and long-term reliability. The service provided was prompt and helpful. My inquiries were answered quickly and thoroughly by the support team. The overall experience from ordering to delivery was smooth and efficient. This supplier demonstrates a strong commitment to customer satisfaction and operational excellence.

N***D 2026-01-08

Naturally, the shipping was remarkably fast and efficient. The order arrived well ahead of the estimated schedule, which was a pleasant surprise for our production timeline. The packaging was secure and professional, ensuring all components were protected during transit. There were no delays or complications with the logistics, making the entire receiving process seamless. The quality of the terminal blocks appears to be excellent upon initial inspection. The materials feel robust and durable, matching the descriptions provided. The construction seems precise, which is crucial for reliable PCB wiring and voltage connections in our industrial applications. The service from the manufacturer was outstanding from start to finish. Communication was clear and prompt, with any inquiries being addressed in a timely manner. The ordering process was straightforward, and the support team was knowledgeable and helpful. Overall, this was a highly satisfactory procurement experience. The combination of swift delivery, apparent high-quality products, and exceptional customer service makes this supplier a reliable partner for our electrical component needs. We are confident in the products' performance and look forward to a continued business relationship.

Y***L 2025-12-29

Bought these terminal blocks for a large industrial project and was thoroughly impressed. The shipping was incredibly fast, arriving two days earlier than estimated, which helped keep our timeline on track. The packaging was secure and professional, ensuring all components arrived in perfect condition without any damage. Quality-wise, these terminal blocks are robust and reliable, with solid construction that meets the high standards needed for PCB wiring in demanding environments. The UL certification provides added peace of mind regarding safety and compliance. Customer service was also exceptional; the team was responsive and helpful when I had a few pre-purchase questions. Overall, a seamless experience from order to delivery, and I would definitely recommend this manufacturer for anyone in need of dependable electrical terminals.

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