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KOMAY Dense Copper/Aluminum Bus Duct System

21 May
2025

KOMAY Dense Copper/Aluminum Bus Duct System

KOMAY Dense Copper/Aluminum Bus Duct System

KOMAY Dense Copper/Aluminum Bus Duct System

KOMAY Dense Copper/Aluminum Bus Duct System

Implementation Standard	IEC/EN 60 439-6， GB7251.1
System	Three-phase three-wire， Three-phase four-wire， Three-phase five-wire (with separate PE busbar)， Three-phase five-wire (with casingas PE)
Ambient Temperature	-25/+40/+35 (Outdoor Type -40/+40/+35)
Relative Humidity	No more than 50% at a maximum temperature of 40℃,and no more than 90% at 20℃.
Ingress Protection (IP) Rating	IP54, IP66, IP68
Rated Insulation Voltage (Ui)	AC/ DC 1000V/800V
Rated Operating Voltage (Ue)	AC1000V/690V
Rated Frequency	50/60Hz
Enclosure Material/Surface Treatment	Aluminum Alloy / Powder Coating
Conductor Material	Tin-Plated Copper or/Tin-Plated Copper-Clad Aluminum/Aluminum
Voltage Category / Pollution Degree	III/3

Copper Busbar System Parameter Table

Current	Short-time withstand current (ICW)KA	Peak withstand current (IPK)KA	Resistance/m (MΩ)	Reactance/m (MΩ)	Impedance/m (MΩ)	Voltage drop/m (V)	Overall dimensions Width(W)Height(H)		Weight/m (kg/m) 4-wire system 5-wire system
400	30	63	0.110	0.039	0.116	0.08	128	105	11.8	12.6
630			0.084	0.035	0.101	0.11	128	120	12.9	13.8
800			0.073	0.031	0.079	0.11	128	135	15.0	16.2
1000	50	105	0.060	0.028	0.086	0.18	128	155	17.2	18.7
1250	50	105	0.047	0.024	0.053	0.11	128	185	20.7	22.5
1600	65	143	0.033	0.020	0.039	0.11	128	225	27.6	30.2
2000			0.024	0.017	0.030	0.10	128	265	35.6	39.2
2500			0.018	0.014	0.023	0.10	128	335	45.9	50.7
3150	100	220	0.015	0.012	0.019	0.10	128	415	60.2	66.1
4000			0.011	0.009	0.014	0.10	128	525	76.3	84.0
5000			0.009	0.006	0.011	0.09	128	795	97.0	107.1
6300	120	264	0.007	0.004	0.008	0.09	128	655	124.5	127.6

Aluminum Busbar System Parameter Table

Current	Short-time withstand current (ICW)KA	Peak withstand current (IPK)KA	Resistance/m (MΩ)	Reactance/m (MΩ)	Impedance/m (MΩ)	Voltage drop/m (V)	Overall dimensions Width(W)Height(H)		Weight/m (kg/m) 4-wire system 5-wire system
400	30	63	0.130	0.029	0.133	0.09	128	110	8.6	9.0
630			0.118	0.028	0.121	0.13	128	135	9.0	9.5
800			0.093	0.024	0.096	0.13	128	155	10.2	10.8
1000	50	105	0.065	0.020	0.068	0.12	128	175	12.7	13.5
1260			0.048	0.017	0.051	0.11	128	205	15.5	15.5
1600			0.036	0.014	0.039	0.11	128	245	19.2	20.6
2000	65	143	0.029	0.012	0.030	0.11	128	275	27.5	29.2
2500			0.022	0.009	0.024	0.10	128	315	33.1	35.5
3150	100	220	0.017	0.006	0.018	0.10	128	455	40.4	43.5
4000			0.013	0.004	0.013	0.09	128	545	46.9	54.2

KOMAY Aluminum and Copper Insulated Air Type Bus Ducts

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