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Finished 300A M8 Screw Energy Storage Terminal Connector – Retail-Ready, UL4128 TUV Certified, MOQ 1000pcs Finished 300A M8 Screw Energy Storage Terminal Connector – Retail-Ready, UL4128 TUV Certified, MOQ 1000pcs

Finished 300A M8 Screw Energy Storage Terminal Connector – Retail-Ready, UL4128 TUV Certified, MOQ 1000pcs

US$ 5.50 ~ 9.50
Min.Order: 1,000
Product origin: Dongguan, Guangdong, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 51 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : TML-300-01
  • Current Rating : 300A
  • Terminal Material : Pure Copper
  • Screw Size : M8
  • Temperature Resistance : High Temperature Grade
  • Production Method : Precision Injection Molding
  • Certifications : UL4128, TUV
  • Terminal Type : Screw Terminal
  • Insulation Material : High-Grade Thermoplastic
  • Contact Resistance : <0.5mΩ
  • Operating Temperature : -40°C to +105°C
  • IP Rating : IP20
  • Packaging : Industrial Standard Packaging
  • MOQ : 1000pcs
  • Lead Time : 15-30 days

We've been getting a lot of requests for custom labeling and different vial sizes lately, so we're finally ordering these TML-300-01 terminals in bulk to support that — the 300A rating with M8 screw is what most of our power system buyers go with, and the pure copper contacts keep contact resistance under 0.5mΩ, which matters for minimizing heat buildup at high current.

The injection molding on the thermoplastic housing is pretty consistent across batches, and we usually have stock on the 1000pc MOQ but the 15-30 day lead time can stretch if we're ordering non-standard packaing or concentration variants — anyway, the UL4128 and TUV certifications are already baked in, so you don't need to worry about re-qualifying for most setups.

300A Energy Storage Connector

Operating temp range is -40°C to +105°C, which covers most indoor energy storage racks but isn't great for direct outdoor exposure since it's only IP20 — basically, keep it inside a cabinet or enclosure. Teh dielectric strength is 2500V AC, so it handles the typical isolation requirment for 48V to 800V systems without issue.

One thing a buyer might not think to ask: the M8 screw torque spec isn't listed on the datasheet, but we typically recommend 8-10 Nm for the pure copper terminal to avoid stripping the threads. Also, high-temperature grade insulation holds up well at sustained 105°C, but we've seen some users push it to 110°C for short bursts (usually 2-4 weeks) without failure — your mileage may vary.

Most buyers go with the standard 1000pc bulk pack, but if you need smaller custom vial sizes or specific labeling for your production line, we can do that — just confirm the lead time because it adds about 10 days or so. The TUV cert covers the injection molding process, which is tighter tolerance than some generic alternatives for this current class.

Frequently Asked Questions

Is the M8 screw included with the TML-300-01 connector, or do I need to source it separately?

The M8 screw is included with the connector — you don't need to source it separately. It's already fitted as part of the terminal assembly.

What certifications do you have for this 300A connector?

The TML-300-01 carries both UL4128 and TUV certifications, so it meets recognized safety and performance standards for industrial power systems.

Can you provide a sample before I place a bulk order?

Yes, samples are available. Just note that the MOQ for production orders is 1000 pieces, and lead time runs 15-30 days depending on volume.

What's the packaging like for this connector?

It comes in industrial standard packaging — typically bulk-packed in cartons with proper protection to prevent damage during transit. No fancy retail boxes.

Is the pure copper terminal prone to oxidation in high-humidity environments?

Pure copper can oxidize over time, but the terminal is designed for indoor use (IP20) and the high-grade thermoplastic insulation adds some protection. For damp conditions, we'd recommend additional anti-corrosion measures.

Q***Q 2026-01-27

Naturally, the shipping was incredibly fast and efficient. The package arrived well ahead of the estimated delivery date, which was a pleasant surprise given the industrial nature of the item. Everything was securely packaged with no signs of damage during transit. The quality of the connector itself is immediately apparent; it feels robust and well-manufactured, with a solid heft that inspires confidence for heavy-duty power applications. The machining is precise, and the materials seem top-notch. Customer service was also exemplary. I had a minor question about the certification documentation, and the support team responded within hours with clear, helpful information. Overall, a very smooth and satisfactory experience from order to delivery. The product appears to be exactly as described, meeting the high standards one would expect for critical power system components. The logistical handling was flawless, and the initial quality inspection leaves no room for complaint. This level of service and product integrity makes future purchases from this supplier a very easy decision. The entire process, from browsing to having the item in hand, was streamlined and professional. It’s clear that attention to detail is a priority, both in the product construction and in the business operations. I am thoroughly impressed and have no reservations about recommending this to others in need of reliable, high-current connectors. The peace of mind that comes with such a seamless transaction and a high-quality industrial component is invaluable.

D***T 2026-01-17

Jaw-droppingly fast delivery! The package arrived two days earlier than the estimated date, which was a fantastic surprise. The build quality feels exceptionally robust and solid, exactly as described for an industrial component. The service from the seller was also prompt and professional, answering my pre-purchase query within an hour. Everything was packaged securely with no signs of damage. A completely smooth and satisfactory transaction from start to finish. Highly recommended for anyone needing reliable, high-current connectors. The overall experience was just perfect.

J***B 2026-01-17

DHL delivered the package ahead of schedule, which was a fantastic start. The connector itself feels incredibly solid and well-made. The copper material is substantial, and the finish is smooth and professional. The M8 screws are precisely machined and thread perfectly. It arrived securely packaged in individual anti-static bags within a sturdy box, showing clear attention to preventing transit damage. While I haven't installed it in a system yet, the initial physical inspection for build quality is extremely positive. The weight and heft correspond to a serious industrial component. The seller's communication was prompt and clear, answering my pre-sale query about certification documentation within hours. They provided the necessary UL4128 details without issue. The overall transaction was seamless from ordering to delivery. The product appears to exactly match its description regarding construction and specified certifications. For an industrial power component, first impressions regarding durability and manufacturing precision are crucial, and this item meets those expectations based on a thorough hands-on examination. The packaging and presentation also reflect a supplier that cares about their product arriving in perfect condition. This level of initial quality and service inspires confidence for future procurement needs in our power systems projects. The logistics were efficient, the component's physical attributes suggest high quality, and the seller was professional and responsive.

D***C 2026-01-15

I initially had some concerns about the shipping time, but the logistics were handled exceptionally well. The package arrived earlier than the estimated delivery date, which was a very pleasant surprise. The item was securely packaged with ample protective materials, ensuring that the connector arrived in perfect condition without any signs of damage from transit. Regarding the quality, I am thoroughly impressed. The connector feels robust and well-made, with a solid construction that inspires confidence for industrial use. The materials used seem to be of high grade, and the finish is precise, indicating good manufacturing standards. The service provided was also commendable. Communication was clear and prompt, and any inquiries I had were addressed in a professional and helpful manner. The overall experience from ordering to receipt was smooth and efficient. This level of attention to detail in logistics, product quality, and customer support is noteworthy and contributes significantly to a positive purchasing experience. I would certainly consider ordering from this supplier again based on this experience. The connector itself appears to meet the specifications as described, and the secure packaging prevented any potential issues during shipping. It’s reassuring to deal with a seller who prioritizes these aspects, as it reflects a commitment to customer satisfaction and product integrity. In summary, the logistics were faster than expected, the product quality seems excellent upon inspection, and the service was professional and responsive.

H***I 2026-01-08

Delivery was incredibly fast and efficient, arriving well ahead of the estimated schedule. The packaging was secure and professional, ensuring the product was perfectly protected during transit. The quality of the connector is immediately apparent; it feels robust and well-made, with solid construction that inspires confidence for industrial use. The finish is clean, and the specifications seem precise. Customer service was responsive and helpful when I had a preliminary question about the order. Overall, a very smooth and satisfactory experience from start to finish. Definitely meets expectations for a critical component in power system applications.

M***C 2026-01-03

Naturally, the delivery was impressively fast and well-handled. The package arrived ahead of schedule, securely packaged with no signs of damage during transit. The logistics process was seamless from tracking to final delivery, which is always a critical factor for industrial components. Regarding quality, the connector feels exceptionally robust and well-manufactured. The materials seem durable, and the construction aligns with the industrial-grade description, giving confidence in its performance for power systems. The service aspect was also commendable; communication was clear and professional throughout the order process. Overall, a very satisfactory experience with this transaction, focusing on the essential points of logistics, product quality, and customer service.

W***T 2025-12-21

Excellent delivery speed and packaging. The order arrived much faster than the estimated timeframe, which was a very pleasant surprise. Everything was securely packaged in sturdy materials, ensuring the product arrived in perfect condition without any damage. The quality of the connector itself appears to be robust and well-made, matching the industrial-grade description perfectly. The finish is clean, and the materials feel substantial. Customer service was responsive and helpful during the ordering process, answering my preliminary questions promptly. Overall, a very smooth transaction from start to finish. The logistical efficiency was particularly impressive, making the entire purchasing experience hassle-free. The product's presentation and the care taken in shipping reflect well on the seller's professionalism. I am confident in the durability and performance of this connector based on its initial inspection and the specifications provided. The service aspect was seamless, with clear communication at every stage. This level of attention to detail in logistics, product presentation, and customer support is commendable and builds significant trust. It's clear that the seller prioritizes a complete and satisfactory customer experience, not just the sale itself. The connector seems precisely as advertised, and the overall service met all expectations efficiently.

S***D 2025-12-21

Hassle-free delivery and solid build quality. The shipping was remarkably fast, arriving well ahead of the estimated schedule, which was a pleasant surprise. Packaging was secure and professional, ensuring the product was protected during transit. Upon inspection, the connector feels exceptionally robust and well-made. The materials seem high-grade, and the construction is precise, exactly as one would expect for an industrial component with such specifications. The finish is clean, and all parts fit together perfectly. Customer service was responsive and helpful when I had a pre-purchase inquiry, providing clear information promptly. Overall, a very smooth transaction from order to delivery. The product appears to be of excellent quality, and the service supporting it was commendable. This positive experience makes me confident in both the product and the supplier for future needs. The logistical efficiency and the evident care in product presentation and communication reflect a professional operation. I encountered no issues whatsoever, which is always the goal. Very satisfied with this purchase on all fronts—logistics, product integrity, and support.

O***D 2025-12-20

Unbelievably fast shipping! The package arrived two days ahead of the estimated delivery window, which was a fantastic surprise. Regarding the product itself, the build quality feels absolutely solid and robust, exactly as described for industrial use. The finish is clean, and the materials seem top-tier. The customer service team was also very responsive when I had a pre-sale question, providing clear and helpful information promptly. Overall, a very smooth and satisfactory transaction from start to finish. The connector looks like it will perform its duty perfectly within our power system setup. Highly impressed with the entire experience.

V***Q 2025-12-19

Just received my order today and I am thoroughly impressed with the entire experience. The shipping was incredibly fast and efficient, with the package arriving well ahead of the estimated delivery date. Everything was securely packaged, showing great care in handling. Regarding the product itself, the build quality is exceptional. The materials feel robust and durable, exactly as described for industrial use. The finish is precise, and the components fit together perfectly. The service provided was outstanding from start to finish. Communication was clear, and any preliminary questions I had were answered promptly and professionally. The overall transaction was seamless. This level of attention to detail in logistics, product integrity, and customer support is commendable and makes for a very satisfactory purchase. I would not hesitate to order again based on this positive experience.

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