High Conductivity Red Copper Butt Terminal

Zenko factory direct supply High conductivity red copper butt terminals are specially designed for power distribution cabinet use. Full-size customization is available, and tin plating treatment is optional for enhanced anti-oxidation performance. Manufactured in compliance with international electrical standards, we support stable bulk delivery and provide sample testing services. Widely exported to global industrial and power markets, the products are perfectly suitable for B2B bulk procurement.

What’s the High conductivity red copper butt terminals

Zenko’s high conductivity red copper butt terminals are premium electrical connectors designed for new energy, industrial, and marine applications. Made from high-purity, high-conductivity red copper, these terminals deliver stable contact and secure crimped connections, ideal for PV systems, energy storage units, automotive wiring, and distribution cabinets.

1. Full Size Range, In-Stock & Customizable

Our high conductivity red copper butt terminals made in China come with a complete range of popular sizes, with large quantities in stock for fast delivery. We support full-size customization, including special dimensions, tin-plated or bare copper finishes, and custom packaging. Whether you need standard sizes for bulk orders or custom specifications for unique projects, we can meet your requirements with flexible MOQs and short lead times.

Non-Insulated Butt connector （Sizes can be customized）
Material:Red Copper(C1100/C1220)
ITEN NO.	Dimension(mm)				Cable Size
	L	D	d1	t	mm2	A.W.G
BN1.25T	15	3.32	1.85	0.75	0.5-1.5	22-16
BN2T	15	4.02	2.5	0.75	1.5-2.5	16-14
BN3.5T	15	5	3	0.95	2.5-4	14-12
BN5.5T	15	5.45	3.55	0.95	4-6	.12-10
BN8T	21	7	4.6	1.2	10	8
BN14T	26	9	6	1.5	16	6
BN22T	29	11.3	7.8	1.75	25	4
BN38T	32	13.2	9.5	1.85	35	2
BN60T	36	15.3	11.4	1.95	50	1/0
BN70T	37	17.5	13.3	2.2	70	2/0
BN80T	38	19.5	14.5	2.5	95	3/0
BN100T	38	22.1	16.4	2.85	120	4/0
BN150T	54	26.4	19.5	3.45	150	250-300
BN180T	57	28.5	21	3.75	185	300-350

2. Factory Direct Supply & Strong Manufacturing Capability

Founded in 2017, Wenzhou Zenko Metal Co., Ltd. is a professional manufacturer and exporter specializing in precision metal deep processing. With over 7 years of industry experience, we have built a complete supply chain covering R&D, production, quality control, and global delivery. Compared to ordinary factories, we offer higher production efficiency, tighter dimensional tolerances, more stable material quality, and faster customization response.

3. High Conductivity Red Copper Construction

Crafted from high-purity red copper, our butt terminals feature excellent electrical conductivity, low heat generation under high current, and stable performance. Optional anti-oxidation tin plating enhances corrosion resistance, making them suitable for both indoor and harsh outdoor environments.

4. Secure Crimp & Reliable Connection

Designed with precision seamless tubing, our terminals ensure even crimping, strong pull-out resistance, and no loosening under vibration or thermal cycling. Burr-free inner walls prevent wire damage during insertion, providing safe and long-lasting electrical connections.

5. Global B2B Service & Quality Assurance

Zenko’s high conductivity red copper butt terminals comply with international electrical standards and undergo strict quality inspections. We provide sample testing services, stable bulk delivery, and dedicated B2B support. Widely exported to industrial and power markets worldwide, our terminals are trusted by customers for their consistent quality and reliable performance.