Standard Red Copper Capillary Tube

Zenko factory's Standard Red Copper Capillary Tubes are precision crafted from high-purity red copper, ensuring outstanding electrical conductivity, ultra-low contact resistance, and exceptional tensile strength after crimp installation.

With a full range of sizes available, these terminals are perfectly suited for copper wire splicing in:

· Power engineering projects

· Industrial electrical systems

· Marine power distribution facilities

They serve as the ideal solution for wire extension, electrical connection and line maintenance, delivering stable, low-loss and long-lasting performance in demanding environments.

Key Features:

✅ Made of high-purity red copper

✅ Excellent electrical conductivity, ultra-low contact resistance

✅ Smooth, burr-free inner walls for easy wire insertion

✅ High tensile strength and anti-loosening properties after crimping

✅ Reduced heat loss for safer, more efficient connections

✅ Wide range of sizes for diverse copper wire specifications

✅ Suitable for power, industrial and marine electrical applications

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

Global Trusted Supplier & Proven Export Capability

With core technology and mature production processes, Zenko has built a global network of satisfied customers across China, the United States, South Korea, Japan, and other regions.

We are trusted by industry-leading brands, large manufacturing enterprises, and international procurement buyers for:

· Consistent, reliable product quality

· Stable, on-time delivery schedules

· Dedicated full-process export service

High repurchase rates from our global partners reflect the reliability of our Standard Red Copper Capillary Tubes, giving new customers the confidence to choose Zenko for their bulk procurement needs.