Copper Clad Aluminum Busbar (CCA Busbar) Manufacturer

Copper Clad Aluminum Busbar (CCA Busbar)

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CCA busbar is copper clad aluminum busbar consisting of a solid core of electrical grade aluminum and an outer layer of high conductivity copper, which is manufactured through unique pressure bonding process. CCA busbar offers advantages of lightweight and low cost while remaining surface properties of copper busbar, this makes the CCA busbar an economical alternative to pure copper busbar.

Huawang can provide CCA busbar with a wide option of cross sectional areas to fit your specific needs.

Applications

High and low voltage distribution switchgear busbar (copper clad aluminum busbar)
High and low voltage busbar, combiner busbar, conductor rail (copper clad aluminum busbar)
Transformer windings and reactor windings (copper clad aluminum flat wire)
Various types of copper aluminum bimetallic connector

Comparison of current-carrying capacity between CCA busbar and copper busbar (at 35℃ environment)

Thickness*Width(mm)	CCA busbar carrying capacity (A)	Copper layer thickness(mm)	Copper busbar carrying capacity (A)
3*30	280	≥0.30	327A
3*40	320		373
3*50	400		470
3*60	445		518
3*80	540		627
3*100	705		819
4*30	320	≥0.40	370
4*40	425		494
4*50	530		617
4*60	638		740
4*70	684		795
4*100	850		988
4*120	1046		1217
4*135	1140		1325
5*30	345	≥0.50	400
5*40	458		533
5*50	573		666
5*60	688		800
5*70	773		899
5*80	840		977
5*100	1105		1284
5.5*140	1605	≥0.55	1867
6*30	369	≥0.60	429
6*40	490		572
6*50	594		716
6*60	739		859
6*70	860		1000
6*80	948		1102
6*100	1232	≥0.55	1433
6*120	1428		1660
6*140	1658		1928
8*30	435	≥0.80	506
8*40	545		633
8*50	788		916
8*60	841		978
8*80	1120		1304
8*100	1401	≥0.75	1630
8*120	1598		1858
8*135	1855		2157
8*140	1969		2289
10*20	425	≥1.00	494
10*40	735		855
10*50	785		913
10*60	943		1096
10*80	1256		1461
10*100	1572	≥0.95	1828
10*120	1886		2193
10*125	1968		2289
10*140	2125		2470
12*60mm	1020	≥1.20	1186