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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 : 56 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

C***I 2026-03-12

My experience with this order was highly satisfactory, beginning with the logistics. The shipping was remarkably prompt and well-coordinated. The package arrived ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged with appropriate materials, ensuring the terminal blocks were protected from any potential damage during transit. The tracking information provided was accurate and updated regularly, allowing for easy monitoring. Regarding quality, the terminal blocks appear to be manufactured to a high standard. They feel robust and durable, with clean molding and consistent finishes. The materials seem of good quality, and the design aligns with what I expected for industrial electrical applications. The service aspect was also commendable. Communication was clear and professional throughout the process. Any preliminary inquiries I had were addressed promptly and thoroughly. The overall transaction was smooth and hassle-free. This positive experience across logistics, quality, and service gives me confidence in this supplier for future wholesale needs.

C***P 2026-03-11

Logistics were handled exceptionally well from start to finish. The shipping was prompt and the tracking information provided was accurate and updated regularly, allowing for perfect planning on our end. The packaging was secure and professional, ensuring all items arrived in pristine condition without any damage whatsoever. The overall delivery timeline met the promised schedule precisely, which is crucial for our production planning. Regarding quality, the terminal blocks appear to be manufactured to a very high standard. The materials feel robust and durable, and the construction is solid, exactly as one would expect from a UL-certified product. The plating on the connectors looks consistent and should provide excellent conductivity and corrosion resistance. As for service, the communication from the supplier was clear, responsive, and helpful throughout the entire ordering process. Any preliminary inquiries were answered quickly and thoroughly, which instilled confidence. The ordering procedure itself was straightforward. This combination of reliable logistics, apparent high quality, and attentive service makes for a very satisfactory wholesale purchasing experience. I would certainly consider this supplier for future requirements based on these fundamental aspects of the transaction.

D***S 2026-03-09

A fantastic experience overall. The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery date. The packaging was secure and professional, ensuring all components were perfectly intact upon arrival. As for the quality, the terminal blocks feel robust and well-made, with solid construction that inspires confidence for industrial use. The finish is clean and the materials seem high-grade. Customer service was also exemplary; my initial inquiry was answered promptly and thoroughly with clear, helpful information. The entire process from order to delivery was seamless. Absolutely no complaints, and I would not hesitate to order from this supplier again for future projects requiring reliable electrical components.

T***N 2026-03-06

Excellent experience overall. The shipping was incredibly fast and the items arrived well-packaged and secure. The quality of the terminal blocks appears to be very high; they feel sturdy and well-constructed. Communication with the supplier was prompt and professional, making the entire process smooth. Everything was exactly as described in the listing. I am very satisfied with this transaction and would not hesitate to order from this manufacturer again for our industrial wiring needs. The reliability of the components is crucial for our projects, and these seem to meet our standards perfectly. The ordering process was straightforward, and any preliminary questions I had were answered quickly and thoroughly. This level of service and product integrity is exactly what we look for in a wholesale supplier. The packaging ensured that all items were protected during transit, which is always a concern with smaller components. I appreciate the attention to detail from start to finish. It is refreshing to work with a company that prioritizes both product excellence and customer satisfaction. I will definitely be recommending this supplier to my colleagues and will consider them for future bulk purchases. The combination of good logistics, apparent quality, and responsive service makes them a standout choice in the market.

W***M 2026-02-01

My experience with this wholesale order of terminal blocks was primarily positive, with a few areas for note. The logistics were handled quite efficiently. The shipment arrived well within the estimated timeframe, which was crucial for our production schedule. The packaging was secure and professional, with all items clearly labeled and separated by type, making inventory a straightforward process. There were no missing items from our bulk order, which is always a concern with large purchases. The quality of the terminal blocks themselves appears to be solid. They feel robust and well-made, with clean molding on the plastic housings and the metal components showing no signs of corrosion or poor finishing. They snap together and onto the PCB rails with a satisfying, secure fit, which bodes well for long-term reliability in our industrial control panels. The markings for voltage and current ratings are clear and legible. Regarding service, the communication from the manufacturer was prompt and helpful during the ordering process. They confirmed specifications quickly and provided all necessary documentation, including the UL certification details, without needing multiple requests. This level of attentiveness for a wholesale transaction was appreciated. However, while the overall delivery was fast, the tracking information provided was somewhat basic and updated infrequently, causing a bit of uncertainty mid-transit. A more detailed tracking system would enhance the experience. Minor point aside, the core aspects of this transaction—receiving the correct, high-quality products in a timely manner—were executed very well. This order met our fundamental requirements for reliable components in electrical connections.

C***B 2026-01-31

Quick delivery and the packaging was secure. The terminal blocks arrived well-protected and ahead of the estimated schedule, which was a pleasant surprise. Quality appears to be solid and robust, exactly as one would expect for industrial electrical components. The service communication was clear and professional, with prompt responses to my initial inquiry. Overall, a very satisfactory procurement experience from order to receipt.

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.

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