The WCJB Brass Jointing Clamp is designed to address the demands of cable-to-equipment jointing in indoor electrical installations, offering both mechanical stability and consistent electrical performance. This clamp delivers a secure, bolt-fixed connection from cable conductor to equipment or busbar, while also being reusable—making it a cost-effective solution for installations and future modifications.
The clamp body is crafted from high-grade brass, selected for its excellent electrical conductivity and durability. The brass surface is treated with a corrosion-resistant finish that preserves its integrity even in indoor electrical cabinet environments. The clamp utilizes bolts to fix the conductor firmly to the equipment termination point, ensuring both mechanical and electrical continuity. The design supports removal and re-installation without sacrificing connection quality. Multiple size models are available, spanning conductor ranges suitable for control, feeder and equipment branch circuits—this flexibility reduces inventory burdens while covering numerous application scenarios.
In field use, the WCJB Brass Jointing Clamp delivers low-resistance electrical contact and stable mechanical anchoring. The bolt connection resists loosening under vibration or minor movement, maintaining reliable current flow and minimizing heat rise. The brass and finish resist oxidation, ensuring long-term reliability in indoor distribution panels. Its broad conductor compatibility allows engineers and installers to standardize on fewer clamp types across different cable sizes. The reusable nature means when equipment is upgraded or cables are changed, the same clamp can be reused—reducing downtime and procurement cost.
This clamp is suitable for indoor distribution panelboards, switchgear terminations, control cabinet wiring, and electrical equipment junctions where cable-to-equipment or cable-to-busbar connections are needed. It works well in new builds, retrofit upgrades and maintenance tasks. Because one clamp series supports multiple conductor sizes, it simplifies spare parts inventories and procurement management. Installers appreciate its adaptability and reliability in environments such as commercial buildings, industrial plants and data/telecom centers. In summary, the WCJB Brass Jointing Clamp offers a durable, flexible, cost-effective jointing solution for professional electrical infrastructure projects.
Application:
WCJB Brass Jointing Clamp is fixed by bolts and used in the connections between the electrical equipment with cable and the indoor distribution equipment.
Advantages：
1)They can be reused many times.
2)Various kinds of size, meet with the customers’requirements.
3)Surface: tin plated
|
Item No. |
Conductor |
L |
L1 |
L2 |
A |
A1 |
b |
ф |
R |
|
WCJB-1 |
16-25 |
39.5 |
/ |
13 |
25 |
16.5 |
2.8 |
8.8 |
3.5 |
|
WCJB-2 |
16-25 |
45 |
13 |
13 |
22 |
18 |
2.8 |
8.5 |
3.5 |
|
WCJB-3 |
25-35 |
52.5 |
13.5 |
13.5 |
24.5 |
21 |
2.9 |
10.5 |
4 |
|
WCJB-4 |
35-50 |
57 |
16 |
16 |
27.5 |
22 |
3 |
10.5 |
5 |
|
WCJB-5 |
50-70 |
61 |
19 |
19 |
31 |
23 |
3 |
10.5 |
5.5 |
|
WCJB-6 |
70-95 |
69 |
20 |
20 |
35 |
23.5 |
3.2 |
10.5 |
6.5 |
|
WCJB-7 |
95-120 |
74 |
23.5 |
23.5 |
42 |
28.5 |
3.3 |
13.5 |
7.5 |
|
WCJB-8 |
120-150 |
73.5 |
25 |
25 |
41 |
27 |
3.5 |
13.5 |
8.5 |
|
WCJB-9 |
150-185 |
76 |
25.5 |
25.5 |
42 |
28 |
3.7 |
13.5 |
9 |
|
WCJB-10 |
185-240 |
80 |
26 |
26 |
44 |
30 |
4 |
13.5 |
10.5 |
Our Journey
N.I.U Electric Group started over two decades ago with a vision to transform the electrical industry. From a local business, we've grown into a global leader, driven by our commitment to delivering innovative and reliable electrical solutions.
Quality Commitment
Quality is at our core. Every product is meticulously designed and manufactured in our state-of-the-art facilities, ensuring top-notch standards and durability.
Innovative Solutions
Our R&D team continually explores cutting-edge technologies to create products that set industry benchmarks, enhancing safety and efficiency.
Global Presence
With a strong global network, we cater to diverse market needs, ensuring timely delivery and exceptional service, while staying connected to our local roots.
Sustainability
We prioritize eco-friendly practices and corporate responsibility, striving to minimize our environmental footprint and support community initiatives.
Customer Focus
Our customers are central to our success. We provide tailored solutions, expert support, and a seamless experience to meet their unique needs.
Join us at N.I.U Electric Group and experience excellence in electrical solutions. For more details, visit our website. 
FAQ
N.I.U Electric Group is a global leader in providing high-quality electrical products. Founded over two decades ago, we have grown from a local business into an internationally recognized company, dedicated to innovation and excellence in the electrical industry.
We ensure quality through rigorous quality control measures at every stage of production. Our state-of-the-art manufacturing facilities are equipped with advanced technology, and our dedicated team of engineers meticulously designs and tests each product to meet the highest industry standards.
At N.I.U Electric Group, you can purchase a wide range of electrical products including:
Choosing N.I.U Electric Group ensures you receive products of the highest quality, backed by our extensive experience and commitment to customer satisfaction. We offer innovative solutions, a global reach with local impact, and a customer-centric approach that prioritizes your needs. Our focus on sustainability and eco-friendly practices further sets us apart from other suppliers.
We provide a comprehensive range of services including:
