Copper Butt Terminal

Buy quality Copper Butt Terminal from Zenko Factory in China. They are marine-grade copper butt connectors crafted from high-purity copper with professional anti-oxidation treatment. Featuring excellent moisture-proof and salt spray resistance, they are well suited for marine distribution cabinets and power grid system applications. Compliant with power industry standards, the terminals maintain stable contact performance without loosening after crimping, and generate low heat output, ensuring safe, stable and reliable circuit connections.

Product Overview

Zenko Copper Butt Terminals are high-performance heavy-duty electrical connectors, specially designed for safe and reliable wire connection in industrial and marine environments.Made of high-purity red copper with professional anti-oxidation passivation treatment, thickened pipe wall, good pressure resistance and excellent electrical conductivity.Copper Butt Terminals Widely used in distribution cabinets, motors, control panels, marine electrical systems and power engineering.

Key Features

● Made of 99.9% high purity red copper, low heating and high conductivity

● Thickened seamless tube design, high pressure resistance and strong pull-out strength

● Burr-free inner wall, no damage to wire core when inserting

● Cold crimp connection, no welding needed, easy and fast installation

● Anti-oxidation and salt spray resistant, suitable for marine harsh environment

● Strictly manufactured according to international electrical industry standards

Technical Parameters

● Material: T2 High-purity Red Copper

● Surface Treatment: Tin plated / Bare copper optional

● Connection Type: Cold crimping

● Wire Gauge: AWG22-AWG4, customized available

● Working Temperature: -40℃ ~ +125℃

● Salt Spray Resistance: ≥48 hours

● Withstand Voltage: ≥2kV AC

Application Scope

● Marine distribution cabinet and ship electrical system

● Industrial motors, generators and control panel

● Power distribution cabinet, switch cabinet, automation equipment

● Solar energy, wind energy new energy system

● Heavy industrial wiring and power grid project

● Automation control and electrical machinery equipment

Installation Instructions

1.Strip the wire insulation to suitable length, keep wire core complete.

2.Insert the wire fully into the terminal.

3.Use professional crimping tool to crimp tightly.

4.Pull the wire slightly to check firmness.

5.Use heat shrink tube for insulation and corrosion protection.

Quality Assurance

Zenko factory’s All Copper Butt Terminals pass raw material test, salt spray test, high voltage test, pull strength test and dimensional inspection.Stable quality, reliable performance, Zenko factory support bulk wholesale and customization.

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